Agilent Technologies 8935 Series Manual

Agilent Technologies 8935 Series Manual

E6380a cdma cellular/pcs base station test set
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Agilent Technologies 8935 Series
E6380A CDMA Cellular/PCS Base Station
Test Set
Assembly Level Repair
Firmware Version B.03.10 and above
Agilent Part Number: E6380-90015
CD-ROM Part Number: E6380-90027
Revision E
Printed in UK
January 2001

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Summary of Contents for Agilent Technologies 8935 Series

  • Page 1 Agilent Technologies 8935 Series E6380A CDMA Cellular/PCS Base Station Test Set Assembly Level Repair Firmware Version B.03.10 and above Agilent Part Number: E6380-90015 CD-ROM Part Number: E6380-90027 Revision E Printed in UK January 2001...
  • Page 2 This material may be reproduced by or for the U.S. Government pursuant to the Copyright License under the clause at DFARS 52.227-7013 (APR 1988). © Copyright 1997 - 2001 Agilent Technologies...
  • Page 3: Table Of Contents

    Certification ..............18 Agilent Technolgies Warranty Statement for Commercial Products ....20 Assistance .
  • Page 4 Contents AF, RF, & CDMA Diagnostics (Step 3) ..........68 AF Diagnostics .
  • Page 5 Contents Removing the External and Internal Covers ........104 External Covers.
  • Page 6 Contents A Word About Storing Calibration Factors ........162 Running the Periodic, IQ, or Eb/No Calibration Programs .
  • Page 7 Contents AF Generator DC Level Accuracy Performance Test 9............198 Procedure.
  • Page 8 Contents Procedure 2 ............. . .220 CDMA Generator Amplitude Level Accuracy Performance Test 25 .
  • Page 9 Contents AF Analyzer Distortion and SINAD Accuracy Performance Test 14 Record ..........264 AF Analyzer DC Level Accuracy Performance Test 15 Record .
  • Page 10 Contents CDMA Signal Analysis............299 Power Measurements .
  • Page 11: General Information

    General Information This chapter contains generic information about the product, safety, warranty, sales and service offices, power-cables, and other information.
  • Page 12: Manufacturer's Declaration

    General Information Manufacturer's Declaration Manufacturer's Declaration This statement is provided to comply with the requirements of the German Sound Emission Directive, from 18 January 1991. This product has the following sound pressure emission specification: • sound pressure Lp <70 dB(A) •...
  • Page 13: General Information Manufacturer's Declaration

    General Information Safety Considerations Safety Considerations GENERAL This product and related documentation must be reviewed for familiarization with safety markings and instructions before operation. This product has been designed and tested in accordance with IEC Publication 61010-1+A1+A2:1992 Safety Requirements for Electrical Equipment for Measurement, Control and Laboratory Use and has been supplied in a safe condition.
  • Page 14: Safety Considerations

    General Information Safety Considerations Safety Considerations for this Instrument Whenever it is likely that the protection has been impaired, the WARNING instrument must be made inoperative and be secured against any unintended operation. If this instrument is to be energized via an autotransformer (for voltage reduction), make sure the common terminal is connected to the earth terminal of the power source.
  • Page 15: Safety Considerations For This Instrument

    General Information Safety Considerations This product is a Safety Class I instrument (provided with a WARNING protective earthing ground incorporated in the power cord). The mains plug shall only be inserted in a socket outlet provided with a protective earth contact. Any interruption of the protective conductor inside or outside of the product is likely to make the product dangerous.
  • Page 16 General Information Safety Considerations Always use the three-prong ac power cord supplied with this WARNING product. Failure to ensure adequate earth grounding by not using this cord may cause personal injury and/or product damage. This product is designed for use in Installation Category II and Pollution Degree 3 per IEC 61010 and IEC 60664 respectively.
  • Page 17: Product Markings

    General Information Product Markings Product Markings The CE mark shows that the product complies with all relevant European legal Directives (if accompanied by a year, it signifies when the design was proven). The CSA mark is a registered trademark of the Canadian Standards Association.
  • Page 18 Certification Agilent Technologies certifies that this product met its published specifications at the time of shipment from the factory. Agilent further certifies that its calibration measurements are traceable to the United States National Institute of Standards and Technology, to the extent allowed by the Institute’s calibration facility, and to the calibration...
  • Page 19: Certification

    73/23/EEC and the EMC Directive 89/336/EEC and carries the CE-marking accordingly. Spokane, Washington USA November 20,1998 Vince Roland Reliability & Regulatory Engineer European Contact: Your local Agilent Technologies and Service Office or Agilent Technologies GmbH Department ZQ/Standards Europe, Herrenberger Strasse 130, D-71034 Böblinger, Germany (FAX+49-7031-14-3143) Chapter 1...
  • Page 20: Agilent Technolgies Warranty Statement For Commercial Products

    Replacement products may be either new or like-new. 2. Agilent warrants that Agilent software will not fail to execute its programming instructions, for the period specified above, due to defects in material and workmanship when properly installed and used.
  • Page 21: Agilent Technolgies Warranty Statement For Commercial Products

    MERCHANTABILITY, SATISFACTORY QUALITY, AND FITNESS FOR A PARTICULAR PURPOSE. 8. Agilent will be liable for damage to tangible property per incident up to the greater of $300,000 or the actual amount paid for the product that is the subject of the claim, and for damages for bodily injury or...
  • Page 22: Assistance

    Assistance Assistance Product maintenance agreements and other customer assistance agreements are available for Agilent Technologies products. For any assistance, contact your nearest Agilent Technologies Sales and Service Office. By internet, phone, or fax, get assistance with all your test and measurement needs.
  • Page 23 General Information Power Cables Power Cables Table 1-2 Power Cables Plug Type Plug Descriptions Agilent Part # Cable Descriptions male/female (cable & plug) Straight/Straight 8120-1689 79 inches, mint gray Straight/90 8120-1692 79 inches, mint gray Earth Ground Line Neutral Used in the following locations...
  • Page 24: Power Cables

    General Information Power Cables Table 1-2 Power Cables Plug Type Plug Descriptions Agilent Part # Cable Descriptions male/female (cable & plug) Straight/Straight 8120-1689 79 inches, mint gray Straight/90 8120-1692 79 inches, mint gray Earth Ground Line Neutral Tajikistan, Thailand, Togo, Tunisia, Turkey, Turkmenistan...
  • Page 25 General Information Power Cables Table 1-5 Power Cables Plug Type Plug Agilent Part Cable Descriptions Descriptions male/female (cable & plug) Straight/Straight 8120-1378 90 inches, jade gray Straight/90 8120-1521 90 inches, jade gray 125V Straight/Straight 8120-1751 90 inches, jade gray Earth Ground...
  • Page 26 General Information Power Cables Table 1-6 Power Cables Plug Type Plug Agilent Part # Cable Descriptions (cable & plug) Descriptions male/female Straight/Straight 8120-4753 90 inches, dark gray JIS C 8303, 100 V Straight/90 8120-4754 90 inches, dark gray Earth Ground...
  • Page 27 General Information Power Cables Table 1-8 Power Cables Plug Type Plug Descriptions Agilent Part # Cable Descriptions male/female (cable & plug) Lesotho Malawi South-West Africa (Namibia), Swaziland Zambia, Zimbabwe Table 1-9 Power Cables Plug Type (Male) Plug Agilent Part #...
  • Page 28 General Information Power Cables Table 1-10 Power Cables Plug Type Plug Agilent Part # Cable Descriptions (cable & plug) Descriptions male/female Straight/Straight 8120-1369 79 inches, gray Earth Ground Straight/90 8120-0696 80 inches, gray Neutral Line Used in the following locations Argentina, Australia China (People’s Republic)
  • Page 29 General Information Power Cables ATTENTION Static Sensitive Devices This instrument was constructed in an ESD (electro-static discharge) protected environment. This is because most of the semiconductor devices used in this instrument are susceptible to damage by static discharge. Depending on the magnitude of the charge, device substrates can be punctured or destroyed by contact or mere proximity of a static charge.
  • Page 30: Conventions Used In This Manual

    Conventions Used in This Manual The following conventions are used throughout this manual to help clarify instructions and reduce unnecessary text: • “Test Set” refers to the Agilent 8935 CDMA Cellular/PCS Base Station Test Set. • Test Set keys are indicated like this: Preset •...
  • Page 31: Documentation

    General Information Documentation Chapter 6 , “Replaceable Parts,” on page 135. This chapter contains the replaceable assembly and component information for the Test Set. Use the illustrations in this chapter to identify the replaceable parts and the “Parts List” on page 150 part numbers.
  • Page 32: Which Document Is Required

    General Information Documentation Which Document is Required? The following documents are part of the Agilent 8935 document set. Use the table to help you decide which document you need. Table 1-12 Document Navigation Document Part Number Usage CDMA Application E6380-90016...
  • Page 33 General Information Trademark Acknowledgements Trademark Acknowledgements Hewlett-Packard and HP are registered trademarks of ® ® Hewlett-Packard Company. Microsoft‚ Windows , and MS-DOS ‚ are registered trademarks of ® ® Microsoft Corporation. ProComm‚ is a registered trademark of DataStorm Technologies, Inc. HyperTerminal is a registered trademark of Hilgraeve, Incorporated.
  • Page 34: Trademark Acknowledgements

    General Information Trademark Acknowledgements Chapter 1...
  • Page 35: Product Information

    Product Information This chapter contains general information about the Test Set and how to service it.
  • Page 36 Product Information Instrument Description Instrument Description The Agilent 8935 CDMA Cellular/PCS Base Station Test Set is a one-box tool designed to meet the needs of installation teams, service providers, and network manufacturers when installing, testing, and maintaining CDMA base stations at both the cellular and PCS frequency bands.
  • Page 37: Instrument Description

    Product Information Instrument Description The user interface features pull down menus, one-key measurement execution, and fast measurement speed. Measurement data can be output to a printer or a PCMCIA memory card. The Test Set’s firmware is user upgradeable with a PCMCIA card to flash memory.
  • Page 38: Instrument Assemblies

    Product Information Instrument Description Instrument Assemblies Table 2-1 Figure 2-2 on page 39 describe the assemblies of the Agilent 8935 CDMA Cellular/PCS Base Station Test Set. Table 2-1 Chapter 1 , “General Information,” on page Reference Assembly Name Function Designator...
  • Page 39 Product Information Instrument Description Table 2-1 Chapter 1 , “General Information,” on page Reference Assembly Name Function Designator A2A100 Generator Reference (Gen CDMA data generation and instrument reference Ref) master (with external reference) A2A110 Upconverter Converts output signal to PCS frequencies A2A115 Downconverter Converts input frequencies to instrument level IF...
  • Page 40 CDMA BASE STATION TEST SET OVERALL BLOCK DIAGRAM Squelch Down- Receiver Demod & Input converter (FM, AM, SSB) Speaker Attenuator Audio A2A115 A2A21 Analyzer Volume (Bandpass Filters) Receiver Spectrum (Distortion) SCOPE MONITOR OUT Synth Analyzer A2A22 A2A40 A2A20 AUDIO IN A2A80 Block Power...
  • Page 41: Upgrades

    “Service Information” on page Table 2-2 Firmware Upgrade Kits Description E6380ART R58 Agilent 8935 CDMA Cellular/PCS Base Station Test Set Firmware (for customer) E6380ART RD5 Agilent 8935 CDMA Cellular/PCS Base Station Test Set Firmware (for Agilent support personnel) Table 2-3...
  • Page 42: Load The Dsp Firmware

    Product Information Upgrades 4. Follow the instructions on the screen. 5. After the firmware is downloaded, be sure to cycle the Test Set’s power off-and-on to complete this procedure. Load the DSP Firmware The following procedure loads the digital signal processor firmware. 1.
  • Page 43: Checking Firmware Version

    Product Information Upgrades 14.Enter the firmware code word: This code word is unit specific and can only be used with the unit for which it was ordered. If you have more than one test set to upgrade you must associate the upgrade kit with the serial number of the test set for which it was ordered.
  • Page 44 Product Information Upgrades Figure 2-3 SERVICE Screen Title Bar SERVICE Screen SERVICE Voltage Frequency Voltmeter Connection RFIO_DIAG_0 Counter Connection AUD1_COUNT Gate Time 50.0 Latch sgnl_revision value 19950310 RAM Initialize Clear all RAM and restart service3.eps 5. Select the Latch field. 6.
  • Page 45: Repair Process

    Tests,” on page 173. Lifting and Handling When lifting and handling the Agilent 8935 CDMA Cellular/PCS Base Station Test Set use ergonomically correct procedures. Lift and carry by the strap on the side panel. When moving the Test Set more than a few feet, be sure to replace the front screen cover.
  • Page 46: Manuals

    Station Test Set are discussed in the following manuals: • CDMA Application Guide E6380-90016 This manual explains how to use the Agilent 8935 Test Set to manually test a CDMA Base Station. This document presents a step-by-step approach to CDMA base station testing using the Test Set, including what you need to know before you can start testing.
  • Page 47: Service Information

    509-921-3848 • Application Support, M-F 8 am -5 pm PST, phone 1-800-922-8920 or 1-800-452-4844 Ordering Parts To order parts, call Agilent Global Support Logistics (GSL): • U.S.A only, Agilent Direct Parts Ordering, phone877-447-7278 • U.S.A and international, Agilent Service Parts Identification, phone877-447-7278...
  • Page 48: Troubleshooting

    Troubleshooting This chapter explains how to isolate a problem to the defective assembly. Troubleshooting uses the Test Set’s built-in diagnostics. If diagnostics can’t identify the faulty assembly, supplementary information in the form of manual troubleshooting procedures is provided.
  • Page 49: How To Troubleshoot The Test Set

    Troubleshooting How to Troubleshoot the Test Set How to Troubleshoot the Test Set Document the result of each step in case you need to contact Agilent Technologies for service assistance. General troubleshooting steps are illustrated in Figure 3-2 on page...
  • Page 50 Troubleshooting How to Troubleshoot the Test Set Figure 3-2 Agilent 8935 Test Set Troubleshooting Flowchart BEGIN Step 1. Power-up the Test Set to run self diagnostics. Check for faulty: 1. fan, Perform "Product Did you hear the fan 2. power supply Verification"...
  • Page 51: Self-Test Diagnostics (Step 1)

    Troubleshooting Self-Test Diagnostics (Step 1) Self-Test Diagnostics (Step 1) On power-up the Test Set runs a self-test diagnostic test. Most of the Test Set’s digital functions are tested. The outcome of the test appears on the display (if operating) and on four LEDs viewable through an access hole on the top internal cover.
  • Page 52: To Start Troubleshooting

    Troubleshooting Self-Test Diagnostics (Step 1) To Start Troubleshooting 1. Turn on the Test Set to automatically run the self test diagnostics. • If the Test Set does not power up, see “If the Test Set Fails to Power-up” on page •...
  • Page 53: If The Test Set Fails To Power-Up

    Troubleshooting Self-Test Diagnostics (Step 1) If the Test Set Fails to Power-up 1. Is the Test Set plugged in? Listen for fan operation. If you don’t hear it, check the line fuse (Figure 3-3) and the GFI reset button, see “Reset and GFI-Test Buttons (older units with GFI circuit)”...
  • Page 54 Troubleshooting Self-Test Diagnostics (Step 1) Figure 3-4 Power Supply LEDs 3. Check the LEDs on the A2A31 Controller assembly, see Figure 3-5 on page 53. The LEDs should all light up immediately on power-up, and then go off several seconds after a beep is heard. If the LEDs do not light when the Test Set is powered-up, either the Controller or the Memory/SBRC (A2A30) assembly is faulty.
  • Page 55: Reading Front Panel Or Gpib Codes

    Troubleshooting Self-Test Diagnostics (Step 1) Figure 3-6 VIDEO OUT Signal 500mV/div. 500µs/div. Reading Front Panel or GPIB Codes Failure codes are listed in the table below. If more than one failure occurs, the failure code will be the sum of the individual failure codes. The nature of the failure and the assembly most-likely at fault is also listed.
  • Page 56 Troubleshooting Self-Test Diagnostics (Step 1) Table 3-1 Return Values for Self-Test Diagnostic Failures Detected Failure Returned Error Code Failed Assembly Hexadecimal Decimal (displayed) (GPIB) Microprocessor A2A31 Controller 0002 A2A31 Controller 0004 A2A30 Memory/SBRC 0008 A2A30 Memory/SBRC 0010 Timer A2A31 Controller 0020 Real-Time Clock A2A30 Memory...
  • Page 57: Reading Led Codes

    Troubleshooting Self-Test Diagnostics (Step 1) Reading LED Codes When the self-test diagnostic reports a failure, more information about the failure may be available inside the Test Set. This additional information is output to the four LEDs on the top of the A2A31 Controller assembly.
  • Page 58 Troubleshooting Self-Test Diagnostics (Step 1) The pattern generated by the LEDs can be interpreted as a binary-weighting code. The LED (labeled 0) is the least-significant bit (see Figure 3-7 on page 58). For example if the LEDs blinking pattern is Off, On, On, On (reading left-to-right or LEDs “3 2 1 0”), the binary number is 0111 or decimal 7.
  • Page 59 Troubleshooting Self-Test Diagnostics (Step 1) Figure 3-7 Reading the Self-Test Diagnostic. The Internal LEDs Remove the Test Set’s external cover. LEDs 2. Turn power on. 3. Read the LED sequence (see illustration on right) and compare with the patterns below. NOTE For multiple failures, the failure patterns described below will repeat...
  • Page 60 Troubleshooting Self-Test Diagnostics (Step 1) Figure 3-8 First LED Patterns If the first LED Then the failure is... pattern displayed is... LED Legend Microprocessor = off ROM Checksum (See note 1.) = rapid blink = steady on or slow blink RAM (See note 2.) RAM (See note 3.) Timer...
  • Page 61 Troubleshooting Self-Test Diagnostics (Step 1) Figure 3-9 Non-blinking LED Codes For Serial Bus Communication Failure If the second and third LED Then the failure is... patterns displayed are..A2A44 Modulation Distribution A2A24 Output Section A2A80 Audio Analyzer 1 A2A40 Audio Analyzer 2 A2A23 Reference A2A130 RF Input/Output A2A115 Downconverter...
  • Page 62 Troubleshooting Self-Test Diagnostics (Step 1) Figure 3-10 Non-Blinking LED Codes for Miscellaneous Hardware Failure Then the failure is... If the second and third LED patterns displayed A2A23 Reference A2A80A1 Audio Filter 1 - C-Message Filter A2A80A2 Audio Filter 2 - 6 kHz BPF A2A36 Receive DSP A2A34 Data Buffer LED Legend...
  • Page 63: Functional Diagnostics (Step 2)

    Troubleshooting Functional Diagnostics (Step 2) Functional Diagnostics (Step 2) The Functional Diagnostics (of the SERVICE MENU, shown in Figure 3-11 on page 65) check whether or not major portions of the Test Set are functioning. They may pinpoint faults in the circuitry to the faulty assembly, or they may direct the use of any or all of the AF, RF, CDMA diagnostics to more extensively test the circuitry.
  • Page 64: Define Test Conditions

    Troubleshooting Functional Diagnostics (Step 2) For descriptions of the diagnostic options, refer to: • “Functional Diagnostics Menu” on page • “AF Diagnostics” on page • “RF Diagnostics” on page • “CDMA Diagnostics” on page Define Test Conditions 1. On the SOFTWARE MENU screen (see Figure 3-11 on page 65), select Execution Cond to access the TESTS (Execution Conditions)
  • Page 65: Configuring A Printer

    Troubleshooting Functional Diagnostics (Step 2) Configuring a Printer Only perform the following steps if you want to print test results to a printer. 1. If you are not already at the SOFTWARE MENU screen, press the key. Menu 2. Under SET UP TEST SET:, select Print to access the “TESTS (Printer Setup)”...
  • Page 66 Troubleshooting Functional Diagnostics (Step 2) Figure 3-11 SERVICE4 Program Screens SOFTWARE MENU Screen SOFTWARE MENU SOFTWARE MENU Run Test Functional Diagnostics Screen LOAD TEST PROCEDURE: Continue Select Procedure Location: Select Procedure Filename: Library: Program: SERVICE4 [NO LIB] Move the pointer to the desired test using the knob then press the knob.
  • Page 67: Functional Diagnostics Menu

    Troubleshooting Functional Diagnostics (Step 2) Functional Diagnostics Menu To run the functional diagnostics, see “Accessing the Diagnostic Tests” on page The diagnostics are intended to help in locating the source of NOTE catastrophic failures. Occasionally, a test will fail with the test results being only slightly out of limits.
  • Page 68 Troubleshooting Functional Diagnostics (Step 2) Figure 3-12 Functional Diagnostics Screen SERVICE MENU Screen SERVICE MENU Move pointer to desired program using the knob then press the knob. Press Help for information on the tests. Press Exit to abort. => Functional Diagnostics AF Diagnostics RF Diagnostics Help...
  • Page 69: Af, Rf, & Cdma Diagnostics (Step 3)

    Troubleshooting AF, RF, & CDMA Diagnostics (Step 3) AF, RF, & CDMA Diagnostics (Step 3) The diagnostics are intended to help in locating the source of NOTE catastrophic failures. Occasionally, a test will fail with the test results being only slightly out of limits. Such failures do not necessarily indicate that the Test Set is operating outside of its published specifications or that it is otherwise faulty.
  • Page 70 Troubleshooting AF, RF, & CDMA Diagnostics (Step 3) Figure 3-13 AF Diagnostics Screen SERVICE MENU Screen SERVICE MENU Move pointer to desired program using the knob then press the knob. Press Help for information on the tests. Press Exit to abort. =>...
  • Page 71: Rf Diagnostics

    Troubleshooting AF, RF, & CDMA Diagnostics (Step 3) RF Diagnostics This program tests the RF functions of the following assemblies: • A2A115 Downconverter • A2A24 RF Output • A2A25 Signal Generator Synthesizer • A2A23 Reference • A2A21 Receiver • A2A22 Receiver Synthesizer •...
  • Page 72 Troubleshooting AF, RF, & CDMA Diagnostics (Step 3) Figure 3-14 RF Diagnostics Screen SERVICE MENU Screen SERVICE MENU Move pointer to desired program using the knob then press the knob. Press Help for information on the tests. Press Exit to abort. =>...
  • Page 73: Cdma Diagnostics

    Troubleshooting AF, RF, & CDMA Diagnostics (Step 3) CDMA Diagnostics This program tests the local oscillators and the power supplies of the following assemblies: • A2A120 LO IF/IQ Modulator - LO IF portion only • A2A100 CDMA Generator Reference To run CDMA diagnostics, see “CDMA Diagnostics”...
  • Page 74: Frequently Encountered Diagnostic Messages

    Troubleshooting Frequently Encountered Diagnostic Messages Frequently Encountered Diagnostic Messages Warning/Error Messages Error messages that appear on the second line of the Test Set’s display frequently occur while any of the SERVICE4 program diagnostic tests are running. The most complete and general list of error messages is in the “Error Messages”...
  • Page 75 Troubleshooting Frequently Encountered Diagnostic Messages Time-outs Certain failures may cause a frequency or voltage reading to time out, that is, the time required for the measurement will be unreasonably long. If a timeout occurs, measurement execution will stop and an error message will be displayed.
  • Page 76: Manual Troubleshooting Procedures (Step 4)

    Test Set may be involved. An Agilent 8924C Mobile Station Test Set combined with an Agilent 83236B Cellular Adapter can be used to simulate a high performance CDMA base station and may be useful in attempting to duplicate the problem.
  • Page 77 Troubleshooting Manual Troubleshooting Procedures (Step 4) Table 3-2 Relating Assemblies to Troubleshooting Aids Ref. Assembly Name SERVICE4 Performance Periodic Cal.-Data Designator Program Test to Perform Calibration Needed Diagnostic Test: Program Sub-Test A2A32 Signaling AF Diagnostics: Source/Analyzer Audio Frequency Generators 1 and 2 A2A31 Controller Functional...
  • Page 78 Troubleshooting Manual Troubleshooting Procedures (Step 4) Table 3-2 Relating Assemblies to Troubleshooting Aids Ref. Assembly Name SERVICE4 Performance Periodic Cal.-Data Designator Program Test to Perform Calibration Needed Diagnostic Test: Program Sub-Test A2A20 Spectrum RF Diagnostics: Spectrum Analyzer Analyzer Spectrum Analyzer A2A70 Control Functional...
  • Page 79: Verify Test Set's Reference Path

    Troubleshooting Manual Troubleshooting Procedures (Step 4) Verify Test Set’s Reference Path Out-of-Lock (OOL) LEDs Out-of-lock (OOL) LEDs light when a phase-locked loop inside an assembly is failing. The Signal Generator Synthesizer, A2A25, and the Receiver Synthesizer, A2A22, assemblies have these LEDs mounted close to the top of the modules.
  • Page 80 Troubleshooting Manual Troubleshooting Procedures (Step 4) Figure 3-17 Simplified Reference Path Block Diagram Receiver Synth CDMA EXT REF IN Reference Reference Generator 10 MHz REF OUT Signal Generator Synthesizer If the 10 MHz signal is present, then this verifies the reference path through the CDMA Generator Reference and the Reference (A2A22) assemblies.
  • Page 81: Reference, A2A23, Verification

    Troubleshooting Manual Troubleshooting Procedures (Step 4) Reference, A2A23, Verification 1. Turn the Test Set off and re-install the Reference assembly. 2. Use screwdrivers to remove the Receiver Synthesizer (A2A22) assembly. 3. Turn the Test Set on and verify that a 1 MHz signal of approximately 1 dBm is present on pin 3 of J21.
  • Page 82: Swapping Known-Good Assemblies

    Troubleshooting Manual Troubleshooting Procedures (Step 4) Swapping Known-Good Assemblies Most swapped assemblies which use calibration data will operate well enough with the original assembly’s calibration data to troubleshoot and to run the diagnostics; do not expect the Test Set to meet its specifications.
  • Page 83: Further Isolating Rf Failures

    Troubleshooting Manual Troubleshooting Procedures (Step 4) The assemblies that require a periodic calibration procedure are: • A2A100 CDMA Generator Reference • A2A130 RF Input/Output • A2A120 LO IF/IQ Modulator • A2A200 100W Attenuator • A2A34 Data Buffer • A2A80 Audio Analyzer 1 •...
  • Page 84 Troubleshooting Manual Troubleshooting Procedures (Step 4) Figure 3-18 Isolating the RF Analyzer Input Demod Down Receiver & Attenuator Conversion (FM, AM, SSB) Receiver Spectrum Synthesizer Analyzer Power Detector IN/OUT 100 W Attenuator Splitter RF Analyzer DUPLEX Output Reference Attenuator RF I/O FROM RF SOURCE To isolate an RF analyzer problem: 1.
  • Page 85: Isolating The Rf Source

    Troubleshooting Manual Troubleshooting Procedures (Step 4) 3. Set the RF signal generator’s frequency to 100, then 500, 900, and 1800 MHz. For each frequency reset the Tune Freq to that frequency. The Test Set’s measurements should read as follows: a. TX Power should read approximately 0.001 W for each frequency. b.
  • Page 86 Troubleshooting Manual Troubleshooting Procedures (Step 4) To isolate the RF Source: 1. On the Test Set: a. Press Preset b. Press the key to access the INSTRUMENT Inst Config CONFIGURE screen. • Set the RF Display field to Freq. • Set the RF Offset field to Off. c.
  • Page 87: Service Screen

    Troubleshooting Service Screen Service Screen A large number of latch and DAC settings used throughout the Test Set can also be read and/or set to alter standard operation. The Service screen uses the internal voltmeter and frequency counter functions to monitor specific nodes in most assemblies.
  • Page 88: Field Names And Descriptions

    Troubleshooting Service Screen 3. Rotate the knob and select SERVICE. The SERVICE screen appears. For field descriptions, see “Field Names and Descriptions” on page Field Names and Descriptions Voltmeter Connection This field selects the desired circuit node for voltage measurements. To change the voltmeter connection, use the knob to select the Voltmeter Connection field.
  • Page 89: Latch

    Troubleshooting Service Screen Latch This field is used to manually select the circuit latches that control switch, DAC, and gain settings within the Test Set. The value of the selected latch is displayed and changed in the Value field. Some settings are read-only.
  • Page 90: Value (Hex)

    Troubleshooting Service Screen The first part of the names in the Choices menu relates to the assembly where the switch, DAC, or gain setting is located. Some latch names are not listed here. • dstr: A2A44 Modulation Distribution • aud1: A2A80 Audio Analyzer 1 •...
  • Page 91: Product Verification

    Troubleshooting Product Verification Product Verification This section provides steps for verifying the Test Set’s operation after a repair. Although in most cases this will be sufficient, this does not verify the ability of the instruments to meet CDMA Cellular/PCS Base Station specifications.
  • Page 92 Troubleshooting Product Verification 2. Perform a wideband sweep: a. Press then press to get the SPECTRUM Preset Spec Anal ANALYZER screen. b. Set the RF Gen controls to Track, and the Port/Sweep field to Dupl. This directs the tracking generator to the DUPLEX OUT port.
  • Page 93 Troubleshooting Product Verification Chapter 3...
  • Page 94: Preventative Maintenance

    Preventative Maintenance This chapter describes the preventative maintenance procedures recommended for the Test Set.
  • Page 95: Hardware Maintenance

    Preventative Maintenance Hardware Maintenance Hardware Maintenance The following procedures should be performed on a regular basis to insure that your Test Set maintains optimum performance. Periodic Adjustment Interval NOTE The adjustment programs Periodic Calibration, IQ Calibration, and Eb/No Calibration should be performed after any assembly referred to Table 7-1 on page 159 is replaced, or at least every 24 months.
  • Page 96: Cleaning

    Preventative Maintenance Hardware Maintenance • Real Time Clock The Test Set operates with a real-time clock that is user set. The real-time clock consists of both a numerical date and a time-of-day setting which may require changing due to repair (such as a battery or hardware repair) or shipping to a different time zone.
  • Page 97: Integrity

    Preventative Maintenance Hardware Maintenance Integrity The Test Set has been designed for rugged conditions, however parts can become loose or damaged over time and may require repair or maintenance. • Module Insertion and Alignment The Test set contains circuit assemblies and RF modules that are mounted in sockets and board guides.
  • Page 98: Maintenance Procedures

    Preventative Maintenance Maintenance Procedures Maintenance Procedures Cleaning the Air Filter The cleaning interval is dependent on the environmental conditions NOTE and application, it can be as often as six months in extremely dusty or dirty environments or as long as two years in a clean, well maintained facility.
  • Page 99: Reset And Gfi-Test Buttons (Older Units With Gfi Circuit)

    Preventative Maintenance Maintenance Procedures To change the AA batteries, use the following procedure: 1. Switch power off and unplug the Test Set. 2. Remove the six TX-15 torx screws in the rear frame, see Figure 4-1 on page 99. It is not necessary to remove the front frame or external cover.
  • Page 100: Pc Card Battery

    Preventative Maintenance Maintenance Procedures Figure 4-1 AA Batteries, Air Filter, and GFI Reset/Test Buttons Rear Frame Screws (x6) Air Filter Chassis Rear View Vent AA Battery aabat1.eps GFI Test (Red) Reset (Black) Button Button PC Card Battery BEFORE REMOVING THE BATTERY from the PC card, insert the CAUTION card into a powered-up Test Set.
  • Page 101 Preventative Maintenance Maintenance Procedures Figure 4-2 PCMCIA Card Battery Replacement Battery Holder Lock Unlocked Locked Read Only Write Battery Holder Write Protect Switch Battery Battery Holder CAUTION: INSERT CARD INTO A POWERED-UP TEST SET BEFORE REMOVING BATTERY. changbat.eps Chapter 4...
  • Page 102: Disassembly

    Disassembly This chapter explains how to disassemble the Test Set for major assembly replacement.
  • Page 103: Service Tools

    Disassembly Service Tools Service Tools Tools One or more of the following tools may be required to access and/or remove various internal assemblies in the Test Set: • TX-10 torx screwdriver • TX-15 torx screwdriver • Flat blade screwdriver • 1/16-inch allen wrench •...
  • Page 104: Assembly Replacements

    Disassembly Assembly Replacements Assembly Replacements With some assemblies you will receive a memory card that contains factory-generated calibration data for that assembly. For new replacements, there will also be an instruction sheet for loading the calibration data into your Test Set. External equipment is not required for running the diagnostic routines.
  • Page 105: Removing The External And Internal Covers

    Disassembly Removing the External and Internal Covers Removing the External and Internal Covers To access most of the components inside the Test Set, you must remove the front frame, external cover, and internal covers (see Figure 5-1 Figure 5-2). It is not necessary to remove the side panel or rear frames in most cases.
  • Page 106: Internal Covers

    Disassembly Removing the External and Internal Covers Internal Covers There are internal covers protecting the top- and bottom-side assemblies of the Test Set. To remove the top covers, see Figure 5-2 below. To remove the bottom cover, see “Bottom Internal Cover” on page 108.
  • Page 107 Disassembly Removing the External and Internal Covers Figure 5-2 Top Internal Covers Screws (x17 MP12 Cover-Top Screws (x14 MP13 Cover-Mod MP14 Cover-Digital intcvr3.eps © © © u se n ti © In cr te r In cr le a A vg In cr S co L im...
  • Page 108 Disassembly Removing the External and Internal Covers Figure 5-3 Topside View of Test Set Assembly 6kHz BP C-MSSG MOD. DISTRIBUTION, A2A44 A2A80A2 A2A80A1 AUDIO 2, A2A40 AUDIO 1, A2A80 CONTROL INTERFACE MOTHERBOARD A2A1 A2A70 RECEIVE DSP, A2A36 W204 DATA BUFFER, A2A34 MEASUREMENT, A2A33 SIGNAL SOURCE, A2A32 CONTROLLER, A2A31...
  • Page 109: Bottom Internal Cover

    Disassembly Removing the External and Internal Covers Bottom Internal Cover To access the assemblies on the bottom side of the Test Set, turn the Test Set over, remove the screws shown in Figure 5-4, and lift the bottom internal cover from the chassis. If the top covers are off, be careful.
  • Page 110 Disassembly Removing the External and Internal Covers Figure 5-5 Bottom View of Test Set (without Bottom Cover) A2J1 A2P1 A2P2 A2P2 A2P1 A2P2 A2P3 A2J4 A2J2 A2J3 W101 W210 W100 A2A110 Assembly W53 BRN W53 BRN W121 W62 GRY W62 GRY A2A130 Assembly W122...
  • Page 111: A1 Disassembly

    Disassembly A1 Disassembly A1 Disassembly 1. Remove the front frame, external cover, and internal top and bottom covers, see “Removing the External and Internal Covers” on page 104. 2. Remove the eight screws securing the A1 assembly to the A2 assembly, see Figure 5-6.
  • Page 112 Disassembly A1 Disassembly Figure 5-7 A1 Assemblies and Components Keypad A1A2 Screen MP35 (sheet metal frame included) Frame MP34 MP103 (x8) MP38 Adhesive Washer Knob MP31 MP37 Knob MP32 Nut MP36 Speaker A1LS1 Knob MP30 Display A1A1 MP102 (x4) W200 A1A3 W203 W202...
  • Page 113: A2 Disassembly

    Disassembly A2 Disassembly A2 Disassembly This section describes how to disassemble the A2 assembly. Use Table below to see which assemblies are replaceable. Periodic Adjustment Intervals NOTE The adjustment programs Periodic Calibration, IQ Calibration, and Eb/No Calibration should be performed after any assembly referred to Table 7-1 on page 159 is replaced, or at least every 24 months.
  • Page 114: Module And Pc Board Assemblies

    Disassembly A2 Disassembly For cable routing information see Table 5-2 on page 130. NOTE Figure 5-8 Module and PC Board Assemblies MODULATION DISTRIBUTION, A2A44 6 kHz BPF C-MSSG A2A80A2 A2A80A1 AUDIO ANALYZER #2, A2A40 AUDIO #1 ANALYZER A2A80 CNTRL INTF Motherboard A2A1 A2A70 RECEIVE DSP, A2A36...
  • Page 115 Disassembly A2 Disassembly Figure 5-9 PC Board Assemblies Chapter 5...
  • Page 116: A2A80A1 And A2A80A2 Filter Assembly Removal

    Disassembly A2 Disassembly A2A80A1 and A2A80A2 Filter Assembly Removal To remove either of the filter option assemblies on the A2A80 Audio Analyzer 1 assembly: 1. Remove the A2A80 assembly from the Test Set. 2. Turn the plastic hex nut on each standoff a quarter turn and push the standoffs through their holes to release the filter board from the host board, see Figure...
  • Page 117: Pcmcia Assembly

    Disassembly A2 Disassembly PCMCIA Assembly 1. Remove the front frame, external cover, and the front internal cover from the Test Set, see “Top Internal Covers” on page 105. 2. Remove the memory card from the card slot. 3. See Figure 5-11.
  • Page 118: Control Interface Assembly

    Disassembly A2 Disassembly Control Interface Assembly 1. Remove the standoffs and screwlocks from the connector panel as shown in Figure 5-12 on page 117 from the Test Set. 2. Disconnect ribbon cable W204 from the A2A70 assembly to remove the assembly. Figure 5-12 Control Interface Assembly Removal Control Interface Board...
  • Page 119: Rf Input/Output, Upconverter, & Downconverter Assemblies

    Disassembly A2 Disassembly RF Input/Output, Upconverter, & Downconverter Assemblies The RF Input/Output A2A130, Upconverter A2A130, and Downconverter A2A115 assemblies are secured in an interlocking manner and are disassembled in the following order: RF Input/Out Assembly Removal 1. Remove the bottom cover of the Test Set. See “Removing the External and Internal Covers”...
  • Page 120 Disassembly A2 Disassembly Figure 5-13 RF Input/Output, Upconverter, & Downconverter Removal W211 to A2A1 J34 RF Input/Output W110 or W125 Assembly A2A130 W121 W122 MP101 W100 W120 MP105 W210 MP101 A2A1 J32 MP111 W101 MP105 MP101 W212 MP101 MP111 MP100 Upconverter Assembly A2A110...
  • Page 121: Lo If/Iq Modulator And Cdma Generator Reference (Gen Ref) Assemblies

    Disassembly A2 Disassembly LO IF/IQ Modulator and CDMA Generator Reference (Gen Ref) Assemblies The LO IF/IQ Modulator and Gen Ref assemblies need to be removed in the following order. See Figure 5-14 on page 121. Removing the LO IF/IQ Modulator Assembly 1.
  • Page 122 Disassembly A2 Disassembly Figure 5-14 LO IF/IQ Modulator & CDMA Generator Reference Removal MP101 (x9) LO IF/IQ MOD Assembly A2A120 Gen Ref Assembly W214 A2A100 W215 MP101 (x7) MP101 (x8) W216 Gen Ref Assembly A2A100 MP101 (x8) W58 RED LO IF/IQ MOD Assembly A2A120 W63 YEL W50 BLK...
  • Page 123: Attenuator Assembly

    Disassembly A2 Disassembly Attenuator Assembly 1. Remove the front, side, and rear external covers, and the top and bottom internal covers, see “Removing the External and Internal Covers” on page 104. 2. Remove the power supply assembly, see “A3 Disassembly” on page 126.
  • Page 124 Disassembly A2 Disassembly Figure 5-15 Attenuator Assembly Removal A2 Assembly (Rear View) Attenuator A2A200 A2 Assembly (Rear View) Attenuator A2A200 W120 (A2A200 OUT) W123 (A2A200 INPUT) MP 101 (4x) a2a200 1.eps Chapter 5...
  • Page 125 Disassembly A2 Disassembly Motherboard Assembly 1. Remove the all external and internal (top and bottom) covers from the Test Set, see “Removing the External and Internal Covers” on page 104. 2. Remove all the modules and PC board assemblies. See “Module and PC Board Assemblies”...
  • Page 126 Disassembly A2 Disassembly Figure 5-16 Motherboard Removal Sheet Metal Divider MP19 MP101 (x11) Motherboard A2A1 MP101 (x3) Sub Frame MP16 MP101 (x3) Gasket MP18 mom1.eps Chapter 5...
  • Page 127: A3 Disassembly

    Disassembly A3 Disassembly A3 Disassembly 1. Remove the Test Set’s external and internal covers, see “Removing the External and Internal Covers” on page 104. 2. Remove the eighteen torx screws securing the A3 assembly to the A2 assembly, see Figure 5-17.
  • Page 128: Removing The Power Supply Regulator Assembly

    Disassembly A3 Disassembly Removing the Power Supply Regulator Assembly To remove the A3A1 regulator assembly, disconnect the cables and the four torx screws shown in Figure 5-18. Figure 5-18 A3A1 Regulator Assembly W221 W223 Regulator Assembly A3A1 Power Switch Cable (part of A3S1) W222 W220...
  • Page 129 Disassembly A3 Disassembly Figure 5-19 Power Supply Removal Power Supply Cover Rear Sub-Panel ps_cvr1.eps W222 Power Supply Assembly W223 Part of GFI Assembly. Rear Sub-Panel ps_rmv2.eps Chapter 5...
  • Page 130: Power Supply Switch, Fan, & Battery Holder Assemblies

    Disassembly A3 Disassembly Power Supply Switch, Fan, & Battery Holder Assemblies 1. Remove the regulator assembly, see “Removing the Power Supply Regulator Assembly” on page 127, and power-supply cover and subassemblies, see “Removing the Power Supply Assembly” on page 127. 2.
  • Page 131: Wire/Cable Information

    Disassembly Wire/Cable Information Wire/Cable Information Table 5-2 Wire/Cable List Wire # From Part Number "AUDIO OUT" (Panel) A2A1 J8 E6380-61039 "AUDIO IN - HI" (Panel) A2A1 J9 E6380-61039 "AUDIO IN - LO" (Panel) A2A1 J11 E6380-61039 "BASEBAND OUT - I" (Panel) A2A34 J402 E6380-61043 "BASEBAND OUT - Q"...
  • Page 132 Disassembly Wire/Cable Information Table 5-2 Wire/Cable List Wire # From Part Number A2A1 J76 A2A34 J709 "1.2200 E6380-61044 MHz_DATA_OUT" A2A1 J75 A2A34 J4 "19.6 MHz IN" E6380-61042 A2A1 "B" A2A34 J501 E6380-61040 A2A1 "F" A2A34 J401 E6380-61040 A2A1 "A" A2A36 J6 E6380-61041 A2A1 "E"...
  • Page 133 Disassembly Wire/Cable Information Table 5-2 Wire/Cable List Wire # From Part Number W65-W99 NOT USED W100 A2A1 J3 "RF OUT" A2A110 J1 E6380-61021 W101 A2A110 J2 A2A130 J2 E6380-61020 W102-W109 NOT USED W110 A2A115 J1 A2A130 J5 E6380-61034 W120 NOT USED E6380-61017 W121 A2A130 J4...
  • Page 134 Disassembly Wire/Cable Information Table 5-2 Wire/Cable List Wire # From Part Number W221 A3A1 J5 A2A1 J73 (multiconductor E6380-61036 power cable) W222 A3A1 J6 POWER SUPPLY, A3A2 E6380-61049 W223 A3A1 J1 POWER SUPPLY, A3A2 E6380-61035 (cable part of BATTERY HOLDER A3A1 J7 A3A4 ASSEMBLY, A3A4...
  • Page 135 Disassembly Wire/Cable Information Chapter 5...
  • Page 136: Replaceable Parts

    Replaceable Parts This chapter contains the replaceable assembly and component information for the Test Set. Use the illustrations in this chapter to identify the replaceable parts and the “Parts List” on page 150 for part numbers.
  • Page 137: Replacement & Ordering Parts

    Replacement & Ordering Parts Replacement & Ordering Parts Direct Parts Ordering “Factory Support” on page 46. The Agilent Support Materials Organization can help you order and identify parts. Assembly Replacements With some assemblies you will receive a Memory Card that contains factory-generated calibration data for that assembly.
  • Page 138: Parts Identification

    Replaceable Parts Parts Identification Parts Identification Major Assembly Overview Shown below is a top view of the Test Set with external and internal covers removed. The Test Set can be separated into three major assemblies designated: A1, A2, and A3. Throughout this chapter the reference designator for each sub assembly is prefixed with its major assembly’s designator.
  • Page 139: Covers And Chassis Parts

    Replaceable Parts Parts Identification Covers and Chassis Parts Figure 6-2 External and Internal Covers Chapter 6...
  • Page 140: A1 Assemblies

    Replaceable Parts Parts Identification A1 Assemblies Figure 6-3 A1 Assembly - Front Panel Keypad A1A2 Screen MP35 (sheet metal frame included) Frame MP34 MP103 (x8) MP33 Washer Knob MP31 MP37 Knob MP32 Nut MP36 Speaker A1LS1 Knob MP30 Display A1A1 MP102 (x4) W200 A1A3...
  • Page 141: A2 Assemblies

    Replaceable Parts Parts Identification A2 Assemblies Module and PCB Board Assemblies Figure 6-4 Assembly 6kHz BP C-MSSG MOD. DISTRIBUTION, A2A44 A2A80A2 A2A80A1 AUDIO 2, A2A40 AUDIO 1, A2A80 CONTROL INTERFACE MOTHERBOARD A2A1 A2A70 RECEIVE DSP, A2A36 W204 DATA BUFFER, A2A34 MEASUREMENT, A2A33 SIGNAL SOURCE, A2A32 CONTROLLER, A2A31...
  • Page 142 Replaceable Parts Parts Identification PCB Assemblies Figure 6-5 D I O # 1 , DATA BUFFER, A2A34 Assembly J709 s s e J402 "RP I SIG" ( F i l t e to A2A1 J76 J400 "SIG OUT" "DATA IN" J401 "I INPUT"...
  • Page 143: Pcmcia Assembly

    Replaceable Parts Parts Identification PCMCIA Assembly Figure 6-6 a2a10.eps MP101 PCMCIA Assembly A2A10 MP101 W201 to Motherboard A2A1 J59 Attenuator Assembly Figure 6-7 A2 Assembly (Rear View) Attenuator A2A200 A2 Assembly (Rear View) Attenuator A2A200 W120 (A2A200 OUT) W123 (A2A200 INPUT) MP 101 (4x) a2a200_1.eps Chapter 6...
  • Page 144: Control Interface Assembly & Connectors

    Replaceable Parts Parts Identification Control Interface Assembly & Connectors Figure 6-8 Control Interface Board A2A70 Washer MP108 (x10) Screwlock MP107 (x10) Washer MP109 (x2) Screw (x4) MP110 MP106 (x2) A2J3 A2J2 Same for A2J3 and A2J4. MP20 (17x) A2J2 to Controller Assembly A2A31 J1 Control Interface Board A2A70...
  • Page 145: Rf/Io, Up Converter, And Down Converter Assemblies

    Replaceable Parts Parts Identification RF/IO, Up Converter, and Down Converter Assemblies Figure 6-9 W211 to A2A1 J34 RF Input/Output Assembly W110 A2A130 W121 W122 MP101 W100 (from A2A1 J4) W120 MP105 W210 MP101 W24 (from A2A1 J32 A2A1 J4) MP111 W101 MP105 MP101...
  • Page 146: Lo If/Iq Mod And Gen Ref Assemblies

    Replaceable Parts Parts Identification LO IF/IQ MOD and GEN REF Assemblies Figure 6-10 MP101 (x9) LO IF/IQ MOD Assembly A2A120 Gen Ref Assembly W214 A2A100 W215 MP101 (x7) MP101 (x8) W216 Gen Ref Assembly A2A100 MP101 (x8) W58 RED LO IF/IQ MOD Assembly A2A120 W63 YEL W50 BLK...
  • Page 147: Motherboard And Sub Frame

    Replaceable Parts Parts Identification Motherboard and Sub Frame Figure 6-11 Sheet Metal Divider MP19 MP101 (x11) Motherboard A2A1 MP101 (x3) Sub Frame MP16 MP101 (x3) Gasket MP18 mom_rmv1.eps Chapter 6...
  • Page 148: A3 Rear Panel Assembly

    Replaceable Parts Parts Identification A3 Rear Panel Assembly Figure 6-12 W221 Regulator Assembly A3A1 MP101 (x4) W223 W220 Switch A3S1 Part of A3A4 MP102 Battery Holder (x10) Assembly W222 Power Supply Cover MP51 to A3A1 J4 MP101 (x4) Fan A3B1 Power Supply A3A2 from GFI assembly...
  • Page 149: Cable Assemblies

    Replaceable Parts Parts Identification Cable Assemblies Figure 6-13 Cables, Top View W30 "E" W28 "F" W31 "D" W29 "A" W32 "C" W27 "B" Motherboard Top Side A3 POWER SUPPLY MP 112 Washer (6x) MP 113 Motherboard Nut (6x) Bottom Side 6kHz BPF C-MSSG MOD.
  • Page 150 Replaceable Parts Parts Identification Figure 6-14 Cables, Panel and Bottom Side Views Chapter 6...
  • Page 151: Parts List

    Replaceable Parts Parts List Parts List Table 6-1 Ref. Des. Description Part Number FRNT PNL KIT E6380-61891 A1A1 EL DISPLAY 6.5IN 2090-0573 A1A2 KEYPAD W/FRAME KIT E6380-61856 A1A3 RPG BD KIT E6380-61805 A1LS1 SPEAKER ASSEMBLY E6380-61037 A1R1 HARN SPKR ASSY E6380-61057 A2A1 MTHR BD KIT...
  • Page 152 Replaceable Parts Parts List Table 6-1 Ref. Des. Description Part Number A2A80 AUDIO ANALYZER #1 KIT 08920-61811 A2A90A1 1C-MESS FLTR 08920-61056 A2A90A2 6KHZ BP FLT 08920-61063 A2A100 GEN/REF KIT E6380-61807 A2A110 UPCONV KIT E6380-61809 A2A115 DNCONV KIT E6380-61808 A2A120 LO_IF/IQ_MOD KT E6380-61817 A2A130 RF/IO KIT...
  • Page 153 Replaceable Parts Parts List Table 6-1 Ref. Des. Description Part Number ACC7 FW REPLMT KIT E6380-61858 ACC8 KIT-SYS PWR CAL E6380-61811 AY-IMPACT COVER E6380-61099 AY FRONT FRAME E6380-61080 NAMEPLATE E6380-00002 CARD DOOR E6380-40006 SPRING-COVER E6380-21028 FOOT E6380-40009 COVER-EXT E6380-00019 FILTER-AIR E6380-00042 AY-SIDE FRAME E6380-61098...
  • Page 154 Replaceable Parts Parts List Table 6-1 Ref. Des. Description Part Number MP37 WSHR LK .256ID 2190-0027 MP50 SUBPANEL-REAR E6380-61107 MP51 COVER-POWER SUPPLY E6380-00064 MP100 CLAMP-CABLE 1400-1391 MP101 SMM4.0 10SEMPNTX 0515-0380 MP102 SMM3.0 8SEMPNTX 0515-0374 MP103 SMM3.0 6 FL TX 0515-1227 MP104 SMM3.0 6SEMPNTX 0515-2126...
  • Page 155 Replaceable Parts Parts List Table 6-1 Ref. Des. Description Part Number CA F SMB-BNC 525 E6380-61075 CA AY-BNC-SMB E6380-61076 CA F SMB-BNC 525 E6380-61077 CX F SMB-SMB 250 E6380-61047 CX F SMB-PST 175 E6380-61044 W26,W33 CX F SMB-SMB 175 E6380-61042 W27,W28, CX F SMB-SMB 250 E6380-61040...
  • Page 156 Replaceable Parts Parts List Table 6-1 Ref. Des. Description Part Number W124 S/R CABLE to A2A200 E6380-61111 W125 S/R CABLE to A2A130 E6380-61112 W200 RBN 10CNDCT28AWG 1252-8299 W201 RBN 68CNDCT30AWG E6380-61015 W202 RBN 40CNDCT28AWG E6380-61022 W203 CA AY-RIBBON E6380-61068 W204 CA AY-RBN,HPIB/DCU E6380-61023 W205...
  • Page 157 Replaceable Parts Parts List Chapter 6...
  • Page 158: Periodic Adjustments

    Periodic Adjustments This chapter contains the periodic adjustment procedures for the Test Set.
  • Page 159: Periodic Adjustments

    Periodic Adjustments Periodic Adjustments Periodic Adjustments Some assemblies or combinations of assemblies require periodic adjustments to compensate for variations in circuit performance due to age or environment. There are two types of calibration data: • Factory-generated digital data either on memory cards, or on ROMs (which are on the assemblies themselves) •...
  • Page 160 Periodic Adjustments Periodic Adjustments Table 7-1 Assembly Calibration Information Assembly Where calibration Calibration Program: data is located. Sub Program Memory Card Assembly A2A80 Audio Analyzer 1 Periodic Calibration: Audio Analyzer 1 Offset A2A44 Modulation Distribution Periodic Calibration: External Modulation Path Gain, and, AF GEN Gain A2A110 Upconverter A2A24 Output Section...
  • Page 161: Equipment

    Periodic Adjustments Periodic Adjustments Equipment Equipment for the Periodic Adjustments Programs • For the Timebase Reference Using a Counter calibration you will need to connect a frequency counter to the rear-panel 10 MHz REF OUTPUT connector. The accuracy of the counter will determine the accuracy of the Test Set’s internal reference.
  • Page 162: Equipment Needed For The System Power Calibration Program

    7-2. Because this calibration program is written specifically for this equipment, no substitutions are possible. Table 7-2 Equipment List for System Power Calibration Program Equipment Type Model Signal Generator Agilent 8648B Option 1EA Power Meter Agilent 436A Agilent 437B Agilent 438A Agilent EPM-441A Agilent EPM-442A...
  • Page 163: A Word About Storing Calibration Factors

    Periodic Adjustments A Word About Storing Calibration Factors A Word About Storing Calibration Factors You should understand the calibration-factor-storage process before running any of the following programs: Periodic Calibration, IQ Calibration, Eb/No Calibration, or System Power Calibration. As a program runs, calibration factors are computed and applied. When all the calibration factors have been acquired, the program stops and asks if the user wants the calibration factors to be stored.
  • Page 164: Running The Periodic, Iq, Or Eb/No Calibration Programs

    Periodic Adjustments Running the Periodic, IQ, or Eb/No Calibration Programs Running the Periodic, IQ, or Eb/No Calibration Programs 1. Press to access the SOFTWARE MENU screen. Menu 2. Select the field under Select Procedure Location:. 3. Select ROM under the Choices: menu. 4.
  • Page 165: Running The System Power Calibration Program

    Periodic Adjustments Running the System Power Calibration Program Running the System Power Calibration Program This adjustment program is not found in ROM of the Test Set. This program resides on a PCMCIA Memory Card, part-number E6380-61811. It has to be downloaded from the memory card. This program generates system power calibration factors for the Test Set.
  • Page 166: Periodic Calibration Menu Descriptions

    Periodic Adjustments Periodic Calibration Menu Descriptions Periodic Calibration Menu Descriptions This section describes the adjustment programs listed under the Periodic Calibration menu. Figure 7-3 Periodic Calibration SERVICE MENU Screen SERVICE MENU Move pointer to desired program using the knob then press the knob. Press Help for information on the tests.
  • Page 167: Timebase Reference Using A Source

    Periodic Adjustments Periodic Calibration Menu Descriptions As an alternate method, you can select the option Timebase Reference Using a Source (see following section) and adjust the timebase to a time standard connect to the front-panel ANT IN connector. Timebase Reference Using a Source This program automatically tunes the timebase tuning DACs to the signal at the front-panel ANT IN connector, which is input at the frequency that is keyed in from the front-panel keypad.
  • Page 168: Audio Frequency Generator Gain

    Periodic Adjustments Periodic Calibration Menu Descriptions Figure 7-4 Measurement (A2A33) Assembly Test Points SGND Measurement Board Assembly +REF -REF a2a33_1.eps Audio Frequency Generator Gain The gain of the following paths is calibrated: • The internal paths that run from Audio Frequency Generators 1 and 2 (individually) through the Modulation Distribution assembly, to the monitor select output, then onto Audio Analyzer 1 to the DVM.
  • Page 169: External Modulation Path Gain

    Periodic Adjustments Periodic Calibration Menu Descriptions External Modulation Path Gain The Audio Frequency Generator Gain program should be performed before running the External Modulation Path Gain program. The “path” in this program runs from the external MODULATION IN connector through the Modulation Distribution assembly, through the Monitor Select Switch, and then through Audio Analyzer 1 to the Test Set’s internal DVM.
  • Page 170: Setting The Timebase Latches

    Periodic Adjustments Setting the Timebase Latches Setting the Timebase Latches The refs_DAC_coarse and ref_DAC_fine values adjust the frequency of the Test Set’s internal 10 MHz reference. They are stored in memory. The controller reads the values and sends the appropriate adjustment to the A2A23 Reference assembly.
  • Page 171: Iq Calibration Program Description

    Periodic Adjustments IQ Calibration Program Description IQ Calibration Program Description The goal of IQ Calibration is to minimize the carrier feedthrough while maximizing the Rho of the IQ signal. There are four DACs involved in this adjustment: • buffModN_I_DC_offset_DAC, • buffModN_Q_DC_offset DAC, •...
  • Page 172: Eb/No Calibration Program Description

    Periodic Adjustments Eb/No Calibration Program Description Eb/No Calibration Program Description The Eb/No calibration is a CDMA loopback measurement. Before the Eb/No measurement begins, four preliminary measurements are made with the CDMA generator in the data mode: (1) The difference in channel power between forward and reverse modes is measured to determine the loss to be accounted for when the all-pass filter is in forward mode.
  • Page 173 Periodic Adjustments Eb/No Calibration Program Description Chapter 7...
  • Page 174: Performance Tests

    Performance Tests This chapter contains the performance test procedures for the Test Set. The tests in this chapter verify that the Test Set performs to its published specifications.
  • Page 175: Procedure And Equipment

    To find alternatives to the equipment listed in Table 8-1 on page 175, look up their specifications in the Agilent Technologies Test and Measurement Catalog and use the specifications to find equivalent instruments. The test procedures give critical instrument settings and connections, but they don’t tell how to operate the instruments.
  • Page 176 8-9, 12, 15, 18 Agilent 5316A Counter 11, 16 Agilent 8562A Spectrum Analyzer Agilent 8663A Signal Generator (High Performance) Agilent 8648B Option Signal Generator Agilent 8902A Measuring Receiver 1-5, 17, 19-22, 25, 27, Agilent 8903B Audio Analyzer 4, 10, 12, 16, 18, 20-22...
  • Page 177 Performance Tests Procedure and Equipment Table 8-2 Performance Tests & Records Location Performance Test Test Record (in this chapter) Chapter 7 , “Periodic Adjustments, ” on page 157 “RF Generator FM Distortion Performance Test 1” on page 178 page 234 “RF Generator FM Accuracy Performance Test 2”...
  • Page 178 Performance Tests Procedure and Equipment Table 8-2 Performance Tests & Records Location Performance Test Test Record (in this chapter) Chapter 7 , “Periodic Adjustments, ” on page 157 “CDMA Generator Modulation Accuracy Performance Test 26” on page 223 page 278 “CDMA Analyzer Average Power Level Accuracy Performance Test 27”...
  • Page 179: Rf Generator Fm Distortion

    Performance Tests RF Generator FM Distortion Performance Test 1 RF Generator FM Distortion Performance Test 1 The purpose of this test is to verify that the Test Set meets the specification limits in PTR (Performance Test Record) Table 9-1, “RF Generator FM Distortion Test 1 Record,”...
  • Page 180: Procedure

    Performance Tests RF Generator FM Distortion Performance Test 1 Procedure Steps 1, 2, and 3 in the following procedure apply to both of the setups (shown in Figure 8-1 Figure 8-2 on page 178). 1. On the measuring receiver: a. Reset the instrument. b.
  • Page 181 Performance Tests RF Generator FM Distortion Performance Test 1 5. On the measuring receiver: a. Set the frequency offset mode to enter and enable the LO frequency (27.3 Special). b. Key in the LO frequency (in MHz) which is 1500. 6.
  • Page 182: Rf Generator Fm Accuracy

    Performance Tests RF Generator FM Accuracy Performance Test 2 RF Generator FM Accuracy Performance Test 2 The purpose of this test is to verify that the Test Set meets the specification limits in PTR (Performance Test Record) Table 9-2, “RF Generator FM Accuracy Test 2 Record,”...
  • Page 183: Procedure

    Performance Tests RF Generator FM Accuracy Performance Test 2 Procedure Steps 1, 2, and 3 in the following procedure apply to both of the setups (shown in Figure 8-3 Figure 8-4 on page 181). 1. On the measuring receiver: a. Reset the instrument. b.
  • Page 184 Performance Tests RF Generator FM Accuracy Performance Test 2 5. On the measuring receiver: a. Set the frequency offset mode to enter and enable the LO frequency (27.3 Special). b. Key in the LO frequency (in MHz) which is 1500. 6.
  • Page 185: Rf Generator Fm Flatness

    Performance Tests RF Generator FM Flatness Performance Test 3 RF Generator FM Flatness Performance Test 3 The purpose of this test is to verify that the Test Set meets the specification limits in PTR (Performance Test Record) Table 9-3, “RF Generator FM Flatness Test 3 Record,”...
  • Page 186: Procedure

    Performance Tests RF Generator FM Flatness Performance Test 3 Procedure Steps 1, 2, and 3 in the following procedure apply to both of the setups (shown in Figure 8-5 Figure 8-6 on page 184). 1. On the measuring receiver: a. Reset the instrument. b.
  • Page 187 Performance Tests RF Generator FM Flatness Performance Test 3 5. On the measuring receiver: a. Set the frequency offset mode to enter and enable the LO frequency (27.3 Special). b. Key in the LO frequency (in MHz) which is 1500. 6.
  • Page 188: Rf Generator Residual Fm

    Performance Tests RF Generator Residual FM Performance Test 4 RF Generator Residual FM Performance Test 4 The purpose of this test is to verify that the Test Set meets the specification limits in PTR (Performance Test Record) Table 9-4, “RF Generator Residual FM Test 4 Record,”...
  • Page 189: Procedure

    Performance Tests RF Generator Residual FM Performance Test 4 Figure 8-8 Setup for Measurements to 2 GHz Using a Microwave Converter Audio Analyzer INPUT Measuring Receiver DUPLEX OUT MODULATION OUTPUT Signal Generator EXT LO INPUT INPUT INPUT 50 Signal Generator LO IF OUTPUT Microwave INPUT...
  • Page 190 Performance Tests RF Generator Residual FM Performance Test 4 d. Set the low-pass filter to 30 kHz. 4. On the Test Set: a. Press Preset b. Select the INSTRUMENT CONFIGURE screen. c. Set the RF Display field to Freq. d. Select the CDMA GENERATOR screen. e.
  • Page 191: Rf Generator Level Accuracy

    Performance Tests RF Generator Level Accuracy Performance Test 5 RF Generator Level Accuracy Performance Test 5 The purpose of this test is to verify that the Test Set meets the specification limits in PTR (Performance Test Record) Table 9-5, “RF Generator Level Accuracy Test 5 Record,”...
  • Page 192 Performance Tests RF Generator Level Accuracy Performance Test 5 3. On the measuring receiver: a. Set the measurement mode to RF Power. b. Set the display to log. 4. On the Test Set: a. Press Preset b. Select the INSTRUMENT CONFIGURE screen. c.
  • Page 193: Procedure 2

    Performance Tests RF Generator Level Accuracy Performance Test 5 Figure 8-10 Setup 2 for Measurements of 1700 and 2000 MHz DUPLEX OUT RF IN/OUT INPUT AMPLIFIER 1 OUTPUT Microwave Measuring Receiver Converter Signal Generator INPUT INPUT 50 IF OUTPUT INPUT OUTPUT Procedure 2 Steps 1 to 5 in the following procedure apply to Setup 1 shown in...
  • Page 194 Performance Tests RF Generator Level Accuracy Performance Test 5 7. On the signal generator set the level to +8 dBm or whatever level is suitable for the microwave converter’s LO input. 8. For frequencies of 1700 and 2000 MHz perform the following: a.
  • Page 195 Performance Tests RF Generator Level Accuracy Performance Test 5 + RF level measured at -80 dBm in step 8i – RF level measured at -80 dBm in step 8j + RF level measured in step 8k For example, if: RF power measured at 10 dBm in step 3b or 5b = 10.2 dBm RF level measured at 80 dBm in step 8i = 70.1 dB RF level measured at -80 dBm in step 8j = 52.6 dB RF level measured at -100 dBm in step 8k = 73.2 dB the...
  • Page 196: Rf Generator Harmonics Spectral Purity

    Performance Tests RF Generator Harmonics Spectral Purity Performance Test 6 RF Generator Harmonics Spectral Purity Performance Test 6 The purpose of this test is to verify that the Test Set meets the specification limits in PTR (Performance Test Record) Table 9-6, “RF Generator Harmonics Spectral Purity Test 6 Record,”...
  • Page 197: Performance Test 7

    Performance Tests RF Generator Spurious Spectral Purity Performance Test 7 RF Generator Spurious Spectral Purity Performance Test 7 The purpose of this test is to verify that the Test Set meets the specification limits in PTR (Performance Test Record) Table 9-7, “RF Generator Spurious Spectral Purity Test 7 Record,”...
  • Page 198: Performance Test 8

    Performance Tests AF Generator AC Level Accuracy Performance Test 8 AF Generator AC Level Accuracy Performance Test 8 The purpose of this test is to verify that the Test Set meets the specification limits in PTR (Performance Test Record) Table 9-8, “AF Generator AC Level Accuracy Test 8 Record,”...
  • Page 199: Performance Test 9

    Performance Tests AF Generator DC Level Accuracy Performance Test 9 AF Generator DC Level Accuracy Performance Test 9 The purpose of this test is to verify that the Test Set meets the specification limits in PTR (Performance Test Record) Table 9-9, “AF Generator DC Level Accuracy Test 9 Record,”...
  • Page 200: Performance Test 10

    Performance Tests AF Generator Residual Distortion Performance Test 10 AF Generator Residual Distortion Performance Test 10 The purpose of this test is to verify that the Test Set meets the specification limits in PTR (Performance Test Record) Table 9-10, “AF Generator Residual Distortion Test 10 Record,”...
  • Page 201: Performance Test 11

    Performance Tests AF Generator Frequency Accuracy Performance Test 11 AF Generator Frequency Accuracy Performance Test 11 The purpose of this test is to verify that the Test Set meets the specification limits in PTR (Performance Test Record) Table 9-11, “AF Generator Frequency Accuracy Test 11 Record,”...
  • Page 202: Performance Test 12

    Performance Tests AF Analyzer AC Level Accuracy Performance Test 12 AF Analyzer AC Level Accuracy Performance Test 12 The purpose of this test is to verify that the Test Set meets the specification limits in PTR (Performance Test Record) Table 9-12, “AF Analyzer AC Voltage Accuracy Test 12 Record,”...
  • Page 203: Performance Test 13

    Performance Tests AF Analyzer Residual Noise Performance Test 13 AF Analyzer Residual Noise Performance Test 13 The purpose of this test is to verify that the Test Set meets the specification limits in PTR (Performance Test Record) Table 9-13, “AF Analyzer Residual Noise Test 13 Record,”...
  • Page 204: Performance Test 14

    Performance Tests AF Analyzer Distortion and SINAD Accuracy Performance Test 14 AF Analyzer Distortion and SINAD Accuracy Performance Test 14 The purpose of this test is to verify that the Test Set meets the specification limits in PTR (Performance Test Record) Table 9-14, “AF Analyzer Distortion and SINAD Accuracy Test 14 Record,”...
  • Page 205: Performance Test 15

    Performance Tests AF Analyzer DC Level Accuracy Performance Test 15 AF Analyzer DC Level Accuracy Performance Test 15 The purpose of this test is to verify that the Test Set meets the specification limits in PTR (Performance Test Record) Table 9-15, “AF Analyzer DC Level Accuracy Test 15 Record,”...
  • Page 206: Performance Test 16

    Performance Tests AF Analyzer Frequency Accuracy to 100 kHz Performance Test 16 AF Analyzer Frequency Accuracy to 100 kHz Performance Test 16 The purpose of this test is to verify that the Test Set meets the specification limits in PTR (Performance Test Record) Table 9-16, “AF Analyzer Frequency Accuracy to 100 kHz Test 16 Record,”...
  • Page 207: Performance Test 17

    Performance Tests AF Analyzer Frequency Accuracy at 400 kHz Performance Test 17 AF Analyzer Frequency Accuracy at 400 kHz Performance Test 17 The purpose of this test is to verify that the Test Set meets the specification limits in PTR (Performance Test Record) Table 9-17, “AF Analyzer Frequency Accuracy at 400 kHz Test 17 Record,”...
  • Page 208 Performance Tests AF Analyzer Frequency Accuracy at 400 kHz Performance Test 17 l. Set the Audio In Lo field to Gnd. 3. Measure the audio frequency on the measuring receiver and the Test Set and note the frequency difference. Compare the calculated difference to the limits shown in the Performance Test Record.
  • Page 209: Performance Test 18

    Performance Tests Oscilloscope Amplitude Accuracy Performance Test 18 Oscilloscope Amplitude Accuracy Performance Test 18 The purpose of this test is to verify that the Test Set meets the specification limits in PTR (Performance Test Record) Table 9-18, “Oscilloscope Amplitude Accuracy Test 18 Record,” on page 268.
  • Page 210 Performance Tests Oscilloscope Amplitude Accuracy Performance Test 18 4. Set the frequency as shown in the Performance Test Record (PTR). For each setting, perform the following: a. Adjust the level until the digital multimeter reads 5 V. b. Set Controls to Main and adjust the Time/Div on the Test Set to display 2 to 3 cycles of the waveform.
  • Page 211: Performance Test 19

    Performance Tests RF Analyzer Level Accuracy Performance Test 19 RF Analyzer Level Accuracy Performance Test 19 The purpose of this test is to verify that the Test Set meets the specification limits in PTR (Performance Test Record) Table 9-19, “RF Analyzer Level Accuracy Test 19 Record,”...
  • Page 212: Performance Test 20

    Performance Tests RF Analyzer FM Accuracy Performance Test 20 RF Analyzer FM Accuracy Performance Test 20 The purpose of this test is to verify that the Test Set meets the specification limits in PTR (Performance Test Record) Table 9-20, “RF Analyzer FM Accuracy Test 20 Record,”...
  • Page 213 Performance Tests RF Analyzer FM Accuracy Performance Test 20 3. On the audio analyzer: a. Reset the instrument. b. Set the output frequency to 50 Hz. 4. On the Test Set: a. Press Preset b. Select the INSTRUMENT CONFIGURE screen. c.
  • Page 214: Performance Test 21

    Performance Tests RF Analyzer FM Distortion Performance Test 21 RF Analyzer FM Distortion Performance Test 21 The purpose of this test is to verify that the Test Set meets the specification limits in PTR (Performance Test Record) Table 9-21, “RF Analyzer FM Distortion Test 21 Record,”...
  • Page 215 Performance Tests RF Analyzer FM Distortion Performance Test 21 b. Set the output frequency to 1 kHz. c. Set the measurement mode to distortion. 4. On the Test Set: a. Press Preset b. Select the INSTRUMENT CONFIGURE screen. c. Set the RF Display field to Freq. d.
  • Page 216: Performance Test 22

    Performance Tests RF Analyzer FM Bandwidth Performance Test 22 RF Analyzer FM Bandwidth Performance Test 22 The purpose of this test is to verify that the Test Set meets the specification limits in PTR (Performance Test Record) Table 9-22, “RF Analyzer FM Bandwidth Test 22 Record,”...
  • Page 217 Performance Tests RF Analyzer FM Bandwidth Performance Test 22 b. Set the output frequency to 1 kHz. 4. On the Test Set: a. Press Preset b. Select the INSTRUMENT CONFIGURE screen. c. Set the RF Display field to Freq. d. Select the CDMA GENERATOR screen. e.
  • Page 218: Performance Test 23

    Performance Tests RF Analyzer Residual FM Performance Test 23 RF Analyzer Residual FM Performance Test 23 The purpose of this test is to verify that the Test Set meets the specification limits in PTR (Performance Test Record) Table 9-23, “RF Analyzer Residual FM Test 23 Record,”...
  • Page 219 Performance Tests RF Analyzer Residual FM Performance Test 23 3. Read the FM deviation (residual FM) and record the deviation read on the Test Set in the Performance Test Record and compare it to the limits. Chapter 8...
  • Page 220: Performance Test 24

    Performance Tests Spectrum Analyzer Image Rejection Performance Test 24 Spectrum Analyzer Image Rejection Performance Test 24 The purpose of this test is to verify that the Test Set meets the specification limits in PTR (Performance Test Record) Table 9-24, “Spectrum Analyzer Image Rejection (Image) Test 24 Record,” on page 275.
  • Page 221: Procedure 1

    Performance Tests Spectrum Analyzer Image Rejection Performance Test 24 d. Select the CDMA GENERATOR screen. e. Set the CW RF Path field to Bypass. f. Select the SPEC ANL screen. g. Set the RF In/Ant field to Ant. h. Set the Ref Level field to -25 dBm. i.
  • Page 222: Cdma Generator Amplitude Level Accuracy

    Performance Tests CDMA Generator Amplitude Level Accuracy Performance Test 25 CDMA Generator Amplitude Level Accuracy Performance Test 25 The amplitude level accuracy of the CDMA generator is measured directly with a power meter. These measurements are made at the top and bottom of the CDMA generator’s vernier range.
  • Page 223 Performance Tests CDMA Generator Amplitude Level Accuracy Performance Test 25 4. On the Test Set: a. Press Preset b. Select the CDMA GENERATOR screen. c. Set the RF Gen Freq field to 836.52 MHz. d. Set the CW RF Path field to I/Q. e.
  • Page 224: Cdma Generator Modulation Accuracy

    Performance Tests CDMA Generator Modulation Accuracy Performance Test 26 CDMA Generator Modulation Accuracy Performance Test 26 The purpose of this test is to verify that the Test Set meets the specification limits in PTR (Performance Test Record) Table 9-26, “CDMA Generator RF In/Out Test,” on page 277.
  • Page 225 Performance Tests CDMA Generator Modulation Accuracy Performance Test 26 2. On the Vector Signal Analyzer: a. Press the key. Frequency b. Set center frequency to 836.52 MHz. c. Set the span to 2.6 MHz. d. Press the Instrument Mode e. Press the (F4) key Digital Demodulation f.
  • Page 226: Cdma Analyzer Average Power Level Accuracy

    Performance Tests CDMA Analyzer Average Power Level Accuracy Performance Test 27 CDMA Analyzer Average Power Level Accuracy Performance Test 27 The purpose of this test is to verify that the Test Set meets the specification limits in PTR (Performance Test Record) Table 9-27, “CDMA Generator Modulation Accuracy Test 26 Record,”...
  • Page 227 Performance Tests CDMA Analyzer Average Power Level Accuracy Performance Test 27 3. On the Test Set: a. Press Preset b. Set the Avg Pwr Units to Watts. c. Set to 881.32 MHz. Tune Freq 4. Record the Avg Pwr reading in the PTR (see Table 9-28, “CDMA Analyzer Average Power Level Accuracy Test 27 Record,”...
  • Page 228: Cdma Analyzer Channel Power Level Accuracy

    Performance Tests CDMA Analyzer Channel Power Level Accuracy Performance Test 28 CDMA Analyzer Channel Power Level Accuracy Performance Test 28 The purpose of this test is to verify that the Test Set meets the specification limits in PTR (Performance Test Record) Table 9-28, “CDMA Analyzer Average Power Level Accuracy Test 27 Record,”...
  • Page 229 Performance Tests CDMA Analyzer Channel Power Level Accuracy Performance Test 28 2. On the signal generator: a. Set the frequency to 881.32 MHz. b. Set the output level so the measuring receiver reads 11 dBm 3. Push on the Test Set. Preset 4.
  • Page 230: Cdma Analyzer Modulation Accuracy

    Performance Tests CDMA Analyzer Modulation Accuracy Performance Test 29 CDMA Analyzer Modulation Accuracy Performance Test 29 The purpose of this test is to verify that the Test Set meets the specification limits in PTR (Performance Test Record) Table 9-29, “CDMA Analyzer Channel Power Level Accuracy Test 28 Record,” on page 280.
  • Page 231 Performance Tests CDMA Analyzer Modulation Accuracy Performance Test 29 d. Ensure the CW RF path is set to IQ. e. Ensure the Output Port is set to Dupl. f. Set the Amplitude to 10 dBm. Figure 8-35 CDMA GENERATOR Screen CDMA GENERATOR ADC FS Avg Pwr...
  • Page 232 Performance Tests CDMA Analyzer Modulation Accuracy Performance Test 29 2. On the vector signal analyzer: a. Set the center frequency to 881.52 MHz. b. Set the span to 2.6 MHz. c. Press the key. Instrument Mode d. Press the (F4) key. Digital Demodulation e.
  • Page 233 Performance Tests CDMA Analyzer Modulation Accuracy Performance Test 29 Chapter 8...
  • Page 234: Performance Test Records

    Performance Test Records Use this chapter to record the results of the performance tests in Chapter 8 , “Performance Tests,” on page 173.
  • Page 235: Rf Generator Fm Distortion

    Performance Test Records RF Generator FM Distortion Performance Test 1 Record RF Generator FM Distortion Performance Test 1 Record For test procedure, see “RF Generator FM Distortion Performance Test 1” on page 178. Table 9-1 RF Generator FM Distortion Test 1 Record Level Deviation Rate...
  • Page 236 Performance Test Records RF Generator FM Distortion Performance Test 1 Record Table 9-1 RF Generator FM Distortion Test 1 Record Level Deviation Rate FM Distortion Limits (dBm) (MHz) (kHz) (kHz) Upper Actual 1000 0.50 1000 0.50 1000 0.50 1000 0.50 998.401 0.50 768.001...
  • Page 237: Rf Generator Fm Accuracy

    Performance Test Records RF Generator FM Accuracy Performance Test 2 Record RF Generator FM Accuracy Performance Test 2 Record For test procedure, see “RF Generator FM Accuracy Performance Test 2” on page 181. Table 9-2 RF Generator FM Accuracy Test 2 Record Level Deviation Rate...
  • Page 238 Performance Test Records RF Generator FM Accuracy Performance Test 2 Record Table 9-2 RF Generator FM Accuracy Test 2 Record Level Deviation Rate FM Deviation Limits (kHz) (dBm) (MHz) (kHz) (kHz) Lower Upper Actual 1000 2.845 3.155 The following entries are for the 2 GHz setup. 1700 95.035 102.965...
  • Page 239: Rf Generator Fm Flatness

    Performance Test Records RF Generator FM Flatness Performance Test 3 Record RF Generator FM Flatness Performance Test 3 Record For test procedure, see “RF Generator FM Flatness Performance Test 3” on page 184. Table 9-3 RF Generator FM Flatness Test 3 Record Level Deviation Rate...
  • Page 240 Performance Test Records RF Generator FM Flatness Performance Test 3 Record Table 9-3 RF Generator FM Flatness Test 3 Record Level Deviation Rate Computed FM Measured Computed (dBm) (MHz) (kHz) (kHz) Flatness Limits Reading Results (dB) (kHz) (dB) Lower Upper Reading Computed 2000...
  • Page 241: Rf Generator Residual Fm

    Performance Test Records RF Generator Residual FM Performance Test 4 Record RF Generator Residual FM Performance Test 4 Record For test procedure, see “RF Generator Residual FM Performance Test 4” on page 187. Table 9-4 RF Generator Residual FM Test 4 Record Residual FM Limits (Hz) (MHz) (MHz)
  • Page 242 Performance Test Records RF Generator Residual FM Performance Test 4 Record Table 9-4 RF Generator Residual FM Test 4 Record Residual FM Limits (Hz) (MHz) (MHz) Upper Actual 1001.5 1000 The following entries are for the 2 GHz setup. 201.5 1700 501.5 2000...
  • Page 243: Rf Generator Level Accuracy

    Performance Test Records RF Generator Level Accuracy Performance Test 5 Record RF Generator Level Accuracy Performance Test 5 Record For test procedure, see “RF Generator Level Accuracy Performance Test 5” on page 190. Table 9-5 RF Generator Level Accuracy Test 5 Record Port Level Level Limits (dBm)
  • Page 244 Performance Test Records RF Generator Level Accuracy Performance Test 5 Record Table 9-5 RF Generator Level Accuracy Test 5 Record Port Level Level Limits (dBm) (MHz) (dBm) Lower Upper Actual DUPLEX OUT 121.500 118.500 DUPLEX OUT 126.500 123.500 RF IN/OUT 41.000 39.000 RF IN/OUT...
  • Page 245 Performance Test Records RF Generator Level Accuracy Performance Test 5 Record Table 9-5 RF Generator Level Accuracy Test 5 Record Port Level Level Limits (dBm) (MHz) (dBm) Lower Upper Actual DUPLEX OUT 687.5 51.500 48.500 DUPLEX OUT 687.5 56.500 53.500 DUPLEX OUT 687.5 61.500...
  • Page 246 Performance Test Records RF Generator Level Accuracy Performance Test 5 Record Table 9-5 RF Generator Level Accuracy Test 5 Record Port Level Level Limits (dBm) (MHz) (dBm) Lower Upper Actual RF IN/OUT 687.5 101.000 99.000 RF IN/OUT 687.5 106.000 104.000 RF IN/OUT 687.5 111.000...
  • Page 247 Performance Test Records RF Generator Level Accuracy Performance Test 5 Record Table 9-5 RF Generator Level Accuracy Test 5 Record Port Level Level Limits (dBm) (MHz) (dBm) Lower Upper Actual DUPLEX OUT 1000 121.500 118.500 DUPLEX OUT 1000 126.500 123.500 RF IN/OUT 1000 41.000...
  • Page 248 Performance Test Records RF Generator Level Accuracy Performance Test 5 Record Table 9-5 RF Generator Level Accuracy Test 5 Record Port Level Level Limits (dBm) (MHz) (dBm) Lower Upper Actual DUPLEX OUT 1700 46.500 43.500 DUPLEX OUT 1700 51.500 48.500 DUPLEX OUT 1700 56.500...
  • Page 249 Performance Test Records RF Generator Level Accuracy Performance Test 5 Record Table 9-5 RF Generator Level Accuracy Test 5 Record Port Level Level Limits (dBm) (MHz) (dBm) Lower Upper Actual RF IN/OUT 1700 96.000 94.000 RF IN/OUT 1700 101.000 99.000 RF IN/OUT 1700 106.000...
  • Page 250 Performance Test Records RF Generator Level Accuracy Performance Test 5 Record Table 9-5 RF Generator Level Accuracy Test 5 Record Port Level Level Limits (dBm) (MHz) (dBm) Lower Upper Actual DUPLEX OUT 2000 116.500 113.500 DUPLEX OUT 2000 121.500 118.500 DUPLEX OUT 2000 126.500...
  • Page 251: Rf Generator Harmonics Spectral Purity

    Performance Test Records RF Generator Harmonics Spectral Purity Performance Test 6 Record RF Generator Harmonics Spectral Purity Performance Test 6 Record For test procedure, see “RF Generator Harmonics Spectral Purity Performance Test 6” on page 195. Table 9-6 RF Generator Harmonics Spectral Purity Test 6 Record Level RF Freq...
  • Page 252 Performance Test Records RF Generator Harmonics Spectral Purity Performance Test 6 Record Table 9-6 RF Generator Harmonics Spectral Purity Test 6 Record Level RF Freq Harmonic Harmonic Limits (dBc) (dBm) (MHz) Number Upper Actual 25.000 25.000 25.000 25.000 25.000 25.000 25.000 1000 25.000...
  • Page 253 Performance Test Records RF Generator Harmonics Spectral Purity Performance Test 6 Record Table 9-6 RF Generator Harmonics Spectral Purity Test 6 Record Level RF Freq Harmonic Harmonic Limits (dBc) (dBm) (MHz) Number Upper Actual 25.000 25.000 25.000 25.000 25.000 25.000 25.000 25.000 25.000...
  • Page 254 Performance Test Records RF Generator Harmonics Spectral Purity Performance Test 6 Record Table 9-6 RF Generator Harmonics Spectral Purity Test 6 Record Level RF Freq Harmonic Harmonic Limits (dBc) (dBm) (MHz) Number Upper Actual 2000 25.000 Chapter 9...
  • Page 255: Rf Generator Spurious Spectral Purity

    Performance Test Records RF Generator Spurious Spectral Purity Performance Test 7 Record RF Generator Spurious Spectral Purity Performance Test 7 Record For test procedure, see “RF Generator Spurious Spectral Purity Performance Test 7” on page 196. Table 9-7 RF Generator Spurious Spectral Purity Test 7 Record Spurious Level RF Freq...
  • Page 256 Performance Test Records RF Generator Spurious Spectral Purity Performance Test 7 Record Table 9-7 RF Generator Spurious Spectral Purity Test 7 Record Spurious Level RF Freq Spur Freq Spurious Signal Limits Source (dBm) (MHz) (MHz) (dBc) Upper Actual 5/4 Mixer 45.000 5/4 Mixer 45.000...
  • Page 257: Af Generator Ac Level Accuracy

    Performance Test Records AF Generator AC Level Accuracy Performance Test 8 Record AF Generator AC Level Accuracy Performance Test 8 Record For test procedure, see “AF Generator AC Level Accuracy Performance Test 8” on page 197. Table 9-8 AF Generator AC Level Accuracy Test 8 Record Frequency Level AC Level Limits (mV)
  • Page 258 Performance Test Records AF Generator AC Level Accuracy Performance Test 8 Record Table 9-8 AF Generator AC Level Accuracy Test 8 Record Frequency Level AC Level Limits (mV) Generator (Hz) (mV) Lower Upper Actual 70.000 80.000 Chapter 9...
  • Page 259: Af Generator Dc Level Accuracy

    Performance Test Records AF Generator DC Level Accuracy Performance Test 9 Record AF Generator DC Level Accuracy Performance Test 9 Record For test procedure, see “AF Generator DC Level Accuracy Performance Test 9” on page 198. Table 9-9 AF Generator DC Level Accuracy Test 9 Record Level DC Level Limits (mV) Generator...
  • Page 260: Af Generator Residual Distortion

    Performance Test Records AF Generator Residual Distortion Performance Test 10 Record AF Generator Residual Distortion Performance Test 10 Record For test procedure, see “AF Generator Residual Distortion Performance Test 10” on page 199. Table 9-10 AF Generator Residual Distortion Test 10 Record Frequency Level Distortion Limits (%)
  • Page 261 Performance Test Records AF Generator Residual Distortion Performance Test 10 Record Table 9-10 AF Generator Residual Distortion Test 10 Record Frequency Level Distortion Limits (%) Generator (Hz) (mV) Upper Actual 0.125 Chapter 9...
  • Page 262: Af Generator Frequency Accuracy

    Performance Test Records AF Generator Frequency Accuracy Performance Test 11 Record AF Generator Frequency Accuracy Performance Test 11 Record For test procedure, see “AF Generator Frequency Accuracy Performance Test 11” on page 200. Table 9-11 AF Generator Frequency Accuracy Test 11 Record Frequency Frequency Limits (Hz) Generator...
  • Page 263: Af Analyzer Ac Level Accuracy

    Performance Test Records AF Analyzer AC Level Accuracy Performance Test 12 Record AF Analyzer AC Level Accuracy Performance Test 12 Record For test procedure, see “AF Analyzer AC Level Accuracy Performance Test 12” on page 201. Table 9-12 AF Analyzer AC Voltage Accuracy Test 12 Record Frequency Level AC Voltage Limits (mV)
  • Page 264: Af Analyzer Residual Noise

    Performance Test Records AF Analyzer Residual Noise Performance Test 13 Record AF Analyzer Residual Noise Performance Test 13 Record For test procedure, see “AF Analyzer Distortion and SINAD Accuracy Performance Test 14” on page 203. Table 9-13 AF Analyzer Residual Noise Test 13 Record Residual Noise Limits (µV) Filter 2 Upper...
  • Page 265: Af Analyzer Distortion And Sinad Accuracy

    Performance Test Records AF Analyzer Distortion and SINAD Accuracy Performance Test 14 Record AF Analyzer Distortion and SINAD Accuracy Performance Test 14 Record For test procedure, see “AF Analyzer Distortion and SINAD Accuracy Performance Test 14” on page 203. Table 9-14 AF Analyzer Distortion and SINAD Accuracy Test 14 Record AF Generator Measurement...
  • Page 266: Af Analyzer Dc Level Accuracy

    Performance Test Records AF Analyzer DC Level Accuracy Performance Test 15 Record AF Analyzer DC Level Accuracy Performance Test 15 Record For test procedure, see “AF Analyzer DC Level Accuracy Performance Test 15” on page 204. Table 9-15 AF Analyzer DC Level Accuracy Test 15 Record DC Voltage Limits (mV) Generator 1 Level...
  • Page 267: Af Analyzer Frequency Accuracy To 100 Khz

    Performance Test Records AF Analyzer Frequency Accuracy to 100 kHz Performance Test 16 Record AF Analyzer Frequency Accuracy to 100 kHz Performance Test 16 Record For test procedure, see “AF Analyzer Frequency Accuracy to 100 kHz Performance Test 16” on page 205.
  • Page 268: Af Analyzer Frequency Accuracy At 400 Khz

    Performance Test Records AF Analyzer Frequency Accuracy at 400 kHz Performance Test 17 Record AF Analyzer Frequency Accuracy at 400 kHz Performance Test 17 Record For test procedure, see “AF Analyzer Frequency Accuracy at 400 kHz Performance Test 17” on page 206.
  • Page 269: Oscilloscope Amplitude Accuracy

    Performance Test Records Oscilloscope Amplitude Accuracy Performance Test 18 Record Oscilloscope Amplitude Accuracy Performance Test 18 Record For test procedure, see “Oscilloscope Amplitude Accuracy Performance Test 18” on page 208. Table 9-18 Oscilloscope Amplitude Accuracy Test 18 Record Frequency Amplitude Limits (V) (kHz) Lower Upper...
  • Page 270: Rf Analyzer Level Accuracy

    Performance Test Records RF Analyzer Level Accuracy Performance Test 19 Record RF Analyzer Level Accuracy Performance Test 19 Record For test procedure, see “RF Analyzer Level Accuracy Performance Test 19” on page 210. Table 9-19 RF Analyzer Level Accuracy Test 19 Record Frequency Level Difference Limits (dB) (MHz)
  • Page 271 Performance Test Records RF Analyzer Level Accuracy Performance Test 19 Record Table 9-19 RF Analyzer Level Accuracy Test 19 Record Frequency Level Difference Limits (dB) (MHz) Lower Upper Actual 1750 0.531 0.531 1775 0.531 0.531 1800 0.531 0.531 1825 0.531 0.531 1850 0.531...
  • Page 272: Rf Analyzer Fm Accuracy

    Performance Test Records RF Analyzer FM Accuracy Performance Test 20 Record RF Analyzer FM Accuracy Performance Test 20 Record For test procedure, see “RF Analyzer FM Accuracy Performance Test 20” on page 211. Table 9-20 RF Analyzer FM Accuracy Test 20 Record RF (MHz) Deviation Rate...
  • Page 273: Rf Analyzer Fm Distortion

    Performance Test Records RF Analyzer FM Distortion Performance Test 21 Record RF Analyzer FM Distortion Performance Test 21 Record For test procedure, see “RF Analyzer FM Distortion Performance Test 21” on page 213. Table 9-21 RF Analyzer FM Distortion Test 21 Record FM Deviation FM Distortion Limits (%) (kHz)
  • Page 274: Rf Analyzer Fm Bandwidth

    Performance Test Records RF Analyzer FM Bandwidth Performance Test 22 Record RF Analyzer FM Bandwidth Performance Test 22 Record For test procedure, see “RF Analyzer FM Bandwidth Performance Test 22” on page 215. Table 9-22 RF Analyzer FM Bandwidth Test 22 Record FM Deviation Difference Limits (dB) Upper...
  • Page 275: Rf Analyzer Residual Fm

    Performance Test Records RF Analyzer Residual FM Performance Test 23 Record RF Analyzer Residual FM Performance Test 23 Record For test procedure, see “RF Analyzer Residual FM Performance Test 23” on page 217. Table 9-23 RF Analyzer Residual FM Test 23 Record FM Deviation Limits (Hz) Upper...
  • Page 276: Spectrum Analyzer Image Rejection

    Performance Test Records Spectrum Analyzer Image Rejection Performance Test 24 Record Spectrum Analyzer Image Rejection Performance Test 24 Record For test procedure, see “Spectrum Analyzer Image Rejection Performance Test 24” on page 219. Table 9-24 Spectrum Analyzer Image Rejection (Image) Test 24 Record RF Generator Spectrum...
  • Page 277 Performance Test Records Spectrum Analyzer Image Rejection Performance Test 24 Record Table 9-25 Spectrum Analyzer Image Rejection (Residual) Test 24 Record Spectrum Residual Response Analyzer Center Limits (dBm) Frequency (MHz) Upper Actual 500.0 Chapter 9...
  • Page 278: Cdma Generator Amplitude Level Accuracy

    Performance Test Records CDMA Generator Amplitude Level Accuracy Performance Test 25 Record CDMA Generator Amplitude Level Accuracy Performance Test 25 Record For test procedure, see “CDMA Generator Amplitude Level Accuracy Performance Test 25” on page 221. Table 9-26 CDMA Generator RF In/Out Test RF (MHz) Level Measured Level Limits (dBm)
  • Page 279: Cdma Generator Modulation Accuracy

    Performance Test Records CDMA Generator Modulation Accuracy Performance Test 26 Record CDMA Generator Modulation Accuracy Performance Test 26 Record For test procedure, see “CDMA Generator Modulation Accuracy Performance Test 26” on page 223. Table 9-27 CDMA Generator Modulation Accuracy Test 26 Record RF (MHz) Level...
  • Page 280: Cdma Analyzer Average Power Level Accuracy

    Performance Test Records CDMA Analyzer Average Power Level Accuracy Performance Test 27 Record CDMA Analyzer Average Power Level Accuracy Performance Test 27 Record For test procedure, see “CDMA Analyzer Average Power Level Accuracy Performance Test 27” on page 225. Table 9-28 CDMA Analyzer Average Power Level Accuracy Test 27 Record Level...
  • Page 281: Cdma Analyzer Channel Power Level Accuracy

    Performance Test Records CDMA Analyzer Channel Power Level Accuracy Performance Test 28 Record CDMA Analyzer Channel Power Level Accuracy Performance Test 28 Record For test procedure, see “CDMA Analyzer Channel Power Level Accuracy Performance Test 28” on page 227. Table 9-29 CDMA Analyzer Channel Power Level Accuracy Test 28 Record Level...
  • Page 282: Cdma Analyzer Modulation Accuracy

    Performance Test Records CDMA Analyzer Modulation Accuracy Performance Test 29 Record CDMA Analyzer Modulation Accuracy Performance Test 29 Record For test procedure, see “CDMA Analyzer Modulation Accuracy Performance Test 29” on page 229. Table 9-30 CDMA Analyzer Modulation Accuracy Test 29 Record RF (MHz) Level...
  • Page 283 Performance Test Records CDMA Analyzer Modulation Accuracy Performance Test 29 Record Chapter 9...
  • Page 284: Block Diagrams

    Block Diagrams This chapter contains block diagrams and descriptions that focus on how the Test Set generates signals and makes measurements. It also has I/O signal and pin number information that can be used to help isolate a problem to the assembly level if the Test Set’s diagnostic programs are unable to do so.
  • Page 285: Introduction

    Block Diagrams Introduction Introduction Shown in Figure 10-1 on page 285 is a block-diagram overview of the Test Set. This chapter is organized into the following sections which provide a detailed view of each individual assembly shown in the overview: •...
  • Page 286 CDMA BASE STATION TEST SET OVERALL BLOCK DIAGRAM Squelch Receiver Down- Demod & Input converter (FM, AM, SSB) Speaker Attenuator Audio A2A115 A2A21 Analyzer Volume (Bandpass Filters) Receiver Spectrum (Distortion) SCOPE MONITOR OUT Synth Analyzer A2A22 A2A40 A2A20 AUDIO IN A2A80 Power Detector...
  • Page 287: Rf Input/Output Section

    Block Diagrams RF Input/Output Section RF Input/Output Section RF Power Measurement An RF power measurement can only be made by supplying a signal to the RF IN/OUT port of the Test Set. See Figure 10-2 on page 287. A power splitter then splits the signal between an RF analysis path and a power measurement path.
  • Page 288 OVER FROM 0-35 dB DOWN- POWER ANT IN ATTEN CONVERTER PROTECT 0 dB 5 dB STEPS CONTROL DET_OUT RCV_DSP 100W -22 dB ATTENUATOR A2A200 POWER DETECTOR -6 db 4V PK -12 dB HIGH TO RF POWER IN/OUT PAD 16 dB DC Block REVERSE TO DUPLEX...
  • Page 289: Rf Analyzer Section

    Block Diagrams RF Analyzer Section RF Analyzer Section Frequency Conversion The A2A115 Downconverter, see Figure 10-3 on page 290, produces an IF of 114.3, 385.7 or 614.3 MHz. The LO is provided by the A2A22 Receiver Synthesizer, see Figure 10-4 on page 291.
  • Page 290: Spectrum Analysis

    Block Diagrams RF Analyzer Section Spectrum Analysis The LO on the A2A20 Spectrum Analyzer is swept across the span by the Controller, see Figure 10-6 on page 293. The LO starts sweeping when the oscilloscope circuits on the A2A33 Measurement board trigger the display sweep to start.
  • Page 291 3 dB 2-12 dB PAD 385.7 MHz 1400 2200 2 dB HB_RF_DIAG +13 dBm ATTEN SET DCNV_IN TUNE 1 TO MUX TUNE 3 DOUBLED_LO_LEVEL < _ -10 dBm TUNE 2 1200-1620 MHz TO MUX HIGH_BAND_DET FROM RF/IO 5 dB ATTEN 12-15 dBm 1826-2647 MHz 1826-2647...
  • Page 292 Block Diagrams RF Analyzer Section Figure 10-4 Receiver Synthesizer Assembly, A2A22 RECEIVER SYNTHESIZER ASSEMBLY, A2A22 1500MHz REF PRESENT GAIN CTRL PRESENT 27dB 14dB 27dB OUT OF LOCK . . - - BUFFER LOOP CONTROL GAIN CONT CONTROL OUT OF LOCK REF PRESENT 500-1000 MHz 0dBm...
  • Page 293 SQUELCH IF FILTER OFFSET SELECT ZERO PRESET IF1 SELECT 15 kHz OR 30 kHz BW DEMOD DISC 4 dB PAD 9 dB 10 dB SQUELCH +14 dB SQUELCH 10.7 MHz +7 dBm 10 MHz 14 dB INV1 GAIN 280 kHz 5 dB PAD DEMOD 0 dB...
  • Page 294 GAIN -8 dB +8 dB VARIABLE GAIN O, 10, 20 dB 114.3 MHz 20 dB 11.26 MHz GAIN TEMP COMP 1 MHz BW TUNE +7 dBm 110 MHz (TO SCOPE) LOOP 16/17 0, 5, 10 dB 500Hz TEMP COMP TUNE DACS (3) GAIN TUNE...
  • Page 295: Audio Analyzer Section

    Block Diagrams Audio Analyzer Section Audio Analyzer Section Input Level Control Switchable gain amplifiers on the A2A80 Audio Analyzer #1 (see Figure 10-7 on page 295) and A2A40 Audio Analyzer #2 (see Figure 10-8 on page 296) assemblies keep the audio input signal within a range suitable for the detectors.
  • Page 296 FILTER 2 SELECT FILTER 1 SELECT LF INPUT SELECT 50 Hz 300 Hz DEMOD FROM RCVR FILTERED 0/20/40 DC-25 kHz GAIN AUDIO AUX 1 300 Hz 3 kHz AUX 2 AUDIO ANALYZER 2 FROM 15 kHz A3A1 MOD DIST AUX 3 A3A2 A3A3 FREQ...
  • Page 297 HEADPHONE CONNECTOR 3 PIN KEYBOARD SPKR TO MEAS Ohms PEAK DET. SELECT BEEP FROM POS PEAK +PEAK HI/LOW BEEP FROM AUDIO VOLTAGE OUT CONTROLLER MEAS AUDIO ANALYZER 1 VOLTMETER 100 kHz NEG PEAK -PEAK VOLTAGE OUT 0/10/20/30 SETTLE RESET KEYBOARD PRE-NOTCH RMS TIME 212 Hz...
  • Page 298 MEASUREMENT ASSY. A2A33 CRT_MEAS_BUS SIGNAL TRIGGER FROM SIG. SRC & ANAL. TRIG TRIG GENREF_SCP_TRIGGER MUX 1 MUX 2 EXT. TRIGGER I/O FROM 0 TO 5V (R.P.) CONTROLLER TRIG_OUT TRIG- TRIGGER TRIG_IN LEVEL MEAS_SBRC (FROM MEMORY_SBRC) AUDIO OUTPUT SCOPE (FROM AUDIO ANALYZER 2) SA_SCP SA_SCP2 TO SPECT.
  • Page 299 SIGNALING SOURCE & ANALYZER ASSEMBLY, A2A32 DIAG 6.78 MHz LFS1 GATED BUS INTFC FROM i8051 MEMORY SBRC DIAG LFS2 GLUE LFS GND TRIGGER SIGNALING SCOPE AUDIO FROM PROCESSING FILTERS AUDIO ANALYZER 2 D B A...
  • Page 300: Cdma Analyzer Section

    Block Diagrams CDMA Analyzer Section CDMA Analyzer Section IF Conversion To down convert the CDMA the signal, the 114.3 MHz IF is mixed with a 110.6136 MHz LO to produce a 3.6864 MHz IF in the A2A120 LO IF/IQ Modulator assembly, see Figure 10-11 on page 300.
  • Page 301 Block Diagrams CDMA Analyzer Section Figure 10-11 LO IF/IQ Modulator Assembly, A2A120 LO IF Conversion POWER TO IQ MODULATOR TO RECEIVER DSP 3.6864 MHz IF 7 MHz .2 dB +5 +12 -12 -5 3.6864 15.6 MHz NOTCH 110.6136 10 MHz RIBBON REF IN MOTHERBOARD...
  • Page 302 RECEIVE DSP ASSEMBLY, A2A36 128K FLASH 33 MHz EPROM 256K FAST RAM 100 ohm -10 TO +30 dB RESET GAIN 8 MHz DE-MUX 12 BIT DET_OUT INTO 12 TO 24 FROM SERIAL PORT 1 RF IO ASSY TMS320C30 PRIMARY SERIAL PORT 2 BUS DATA ADDR TCLKO/1...
  • Page 303: Cdma Generator Section

    Block Diagrams CDMA Generator Section CDMA Generator Section Data Generation The A2A34 Data Buffer, see Figure 10-14 on page 304, generates or buffers external data that emulates a CDMA traffic channel and outputs this data to the A2A100 CDMA Generator Reference, see Figure 10-13 on page 303.
  • Page 304 CDMA GENERATOR/REFERENCE ASSEMBLY, A2A100 TO IQ MODULATOR TO DATA BUFFER QUAD QUADRATURE 3 dB 3 dB I_OFFSET SERIALDATA Q_OFFSET MOD_DATA I_OUT (9.0) EVEN SECOND/ Q_OUT (9.0) EVEN_SEC SYNC IN SYNC SIDE PANEL ASIC LOGIC TO DATA CASS_STROBE BUFFER 2_SEC D_RCV_DSP_TRIG TO RECEIVE SER_CLOCK 80_MS...
  • Page 305 TO IQ MODULEATOR FROM CDMA GEN/REF 16X CHIP Q SIGNAL CONTROL GAUSSIAN TABLE/ I SIGNAL CONTROL BUFF/MODNOISE FROM CONFIG MEMORY/ DATA SBRC 128Kx16 FLASH BUFFER PARALLEL OUTPUTS I SIGNAL 128Kx8 SRAM GAIN DELTA 1 MHz MODNOISE CONTROL BUFF NOISE BASEBAND CLOCK/SYNC FROM GEN/REF BD SOURCE OUTPUT...
  • Page 306: Audio Generator Section

    Block Diagrams Audio Generator Section Audio Generator Section Waveform Generation The A2A32 Signal Source and Analyzer, see Figure 10-15 on page 306, gets frequency and wave shape information from the Controller. Waveform values are calculated real-time by a digital waveform synthesis IC.
  • Page 307 SIGNAL SOURCE & ANALYZER ASSEMBLY, A2A32 DIAG 6.78 MHz LFS1 GATED BUS INTFC FROM i8051 MEMORY SBRC DIAG LFS2 GLUE LFS GND TRIGGER SIGNALING SCOPE PROCESSING AUDIO FROM FILTERS AUDIO ANALYZER 2 D B A...
  • Page 308 TO MIC ON/OFF (MIC AMPL) AUDIO MONITOR SELECT MON OUT TO XMTR KEY AUDIO ANALYZERS AUDIO INPUT MOD LVL1 DC_AM AM MOD MOD LVL0 (1, 0.1) AC/DC OUTPUT MOD SELECT ANALOG SECTION MODULATION INPUT (SIDE PANEL) FM MOD LVL1 LFS1 LVL1 MIC ON/OFF LFS2 LVL0 SIG GEN...
  • Page 309: Rf Generator Section

    Block Diagrams RF Generator Section RF Generator Section Frequency Generation The A2A25 Signal Generator Synthesizer (Figure 10-17 on page 310) develops a 500 MHz to 1000 MHz signal which is phase-locked to the 200 kHz reference from the A2A23 Reference Assembly (Figure 10-21 on page 315).
  • Page 310: Level Control

    Block Diagrams RF Generator Section Level Control The A2A44 Output Section assembly (Figure 10-19 on page 312) has an automatic-level-control (ALC) loop that acts as a vernier control of RF level between 2 and +9 dBm. A step attenuator in the A2A130 RF Input/Output assembly takes the level down to 127 dBm ( 137 dBm at the RF IN/OUT connector) in 5 dB steps.
  • Page 311 SIGNAL GENERATOR SYNTHESIZER ASSEMBLY, A2A25 DELAY COMPENSATION OUT OF BAND FM FILTER GAIN CTRL 1500MHz 500- 1000MHz FROM REF SEC (CMOS) 14dB OUT OF BAND OUT-OF- CYCLE CONT FM DAC LOCK PRESENT MODULUS CONT OUT OF LOCK + - 32/33/36/37 f IN + NF PRESENT...
  • Page 312 Block Diagrams RF Generator Section Figure 10-18 IQ Modulator Assembly (Part of LO IF/IQ Modulator Assembly), A2A120 I/Q MODULATOR, A2A120 14 dB RF IN RF IN RF OUT RF OUT 14 dB 1 GHz I/Q MOD ASSEMBLY +12 V, +12V AUX FROM LO/IF DATA...
  • Page 313 OUTPUT SECTION ASSEMBLY, A2A24 1 GHz BPF 3 dB 300 MHz 1 GHz ON/OFF 3 dB 300MHz 3 dB 3 dB TEMP REF DET 3 dB COMP LOOP INTEGRATOR 4.5 dB + - 2 PERIODIC CAL OUTPUT LVL ALC BW AM LVL AM DIST TF TUNE...
  • Page 314 UPCONVERTER ASSEMBLY, A2A110 < 1000 MHz 1710-1890 MHz <+10 800-1000 MHz UPCNV_IN UPCNV_OUT (FROM TO RF I/O RF OUTPUT) 1840-2000 MHz 1.5-3 GHz UPCNV_REF A(S) (FROM REF) -2 dBm 20 MHz CONTROL LOOP CONTROL ASIC(S) MEAS_CHIRP_TRIG VOLTAGE LO-SPEED I.O. CONTROL RIBBON CABLE...
  • Page 315: Reference/Regulator Section

    Block Diagrams Reference/Regulator Section Reference/Regulator Section Reference All frequencies are derived from a 10 MHz reference which can come from an external reference or from a 10 MHz crystal oscillator on the A2A23 Reference assembly. There are two versions of the Reference assembly.
  • Page 316 REFERENCE ASSEMBLY, A2A23 10MHz TCXO 2 DACS FREQ 1GHz OPTIONAL OCXO ADJUST 1GHz LOCK 500 kHz 10MHz OUT-OF-LOCK OUT-OF-LOCK 10 MHz OVERRIDE 1000 MHz REF IN ON/OFF EXT REF .20M +10M REFS OUT: X2 FREQ ARE < -90dBc SPURS DOUBLER >...
  • Page 317 POWER SUPPLY REGULATOR ASSEMBLY, A3A1 J1 16-PIN RIBBON CONNECTOR J6 20-PIN MINI FIT JR. CONNECTOR POWER SUPPLY INPUT/OUTPUT POWER SUPPLY INPUT/OUTPUT PWR SWITCH +15V STBY +40 VOLT ON/OFF CNTL SUPPLY INPUT INPUT ON/OFF FILTER FILTER J3-3 INPUT 110mA +6 VOLT -15 VOLT -15 VOLT -9 VOLT...
  • Page 318: Instrument Control Section

    Block Diagrams Instrument Control Section Instrument Control Section Digital Control The Test Set’s Digital Control is driven by two assemblies: • A2A30 Memory/SBRC • A2A31 Controller The controller receives user control information by either the A2A70 Control Interface or by the front panel. Operating firmware on the A2A30 Memory/SBRC is then used by the A2A31 Controller to generate digital control for the Test Set.
  • Page 319 MEMORY/SBRC ASSEMBLY, A2A30 MEAS_SBRC NON- FROM REAL VOLATILE MEAS BD DAUGHTER TIME TL16PIR552 CLOCK TC551001 SBRC_BUS TO RF E6380-20114 72423 1 MB MODULES 71285 LITHUM BATTERY DECODER BATTERY MANAGER DIVIDER CR2477 MSC_REG USER_BTTY REGULATOR TRANSCEMERS CLOCK BOARD 22.1184 KYBD_RPG_BUS KEYBOARD CRT_MEAS_BUS TO MEAS BOARD GATED_BUS...
  • Page 320 CONTROLLER ASSEMBLY, A2A31 HW LEADS FW FLASH CLOCK & HEAP RAM RST ERR DIAG DIVIDER MC68020 MC68882 TC551001 DONE 28F-016 LEADS 40MHz 20MHz 20MHz CLOCK BUS BARN FPGA SWISS ARMY KNIFE TRIPLE XC5210 EPM71285 TIME MSC_REGS IRQ_MGR BUS_MUX MORE CLOCKS 68840 KYPD/RPG_FSM GATED_BUS DECODER DSACK...
  • Page 321 Block Diagrams Instrument Control Section Chapter 10...
  • Page 322: Error Messages

    Error Messages...
  • Page 323: General Information About Error Messages

    Error messages descriptions can be found in the following manuals: • Agilent 8935A Reference Guide • Agilent 8935A Assembly Level Repair Manual (this manual) • Agilent Instrument BASIC User’s Handbook (Agilent P/N E2083-90005) The type of message determines which manual to refer to for more information.
  • Page 324 Error Messages General Information About Error Messages The following paragraphs give a brief description of each message format and direct you to the manual to look in for information about error messages displayed in that format. BEEPER OPERATION: Messages are always accompanied by a BEEP NOTE from the internal speaker, unless the Beeper field on the INSTRUMENT CONFIGURE screen is set to Off.
  • Page 325: Power-Up Self-Test Error Messages

    Error Messages Power-Up Self-Test Error Messages Power-Up Self-Test Error Messages The following message is typical of an error message you might encounter on the Test Set’s power-up. One or more self tests failed. Error code: 0080 In this example, the hexadecimal code 0080 corresponds to the error message “Keyboard Failure (stuck key).”...
  • Page 326: Diagnostics Messages

    Error Messages Diagnostics Messages Diagnostics Messages The following message may occur when initiating and running the Functional Diagnostics program. Direct latch write occurred. Cycle power when done servicing. For other diagnostic messages see “Frequently Encountered Diagnostic Messages” on page When a measurement is out of limits, a message is displayed at the end of the test which indicates the following: •...
  • Page 327: Calibration Download Failure Error Message

    Error Messages Calibration Download Failure Error Message Calibration Download Failure Error Message The following message occurs at powerup when the downloading of calibration data is unsuccessful. Cal file checksum incorrect. File reset to default values. It indicates that the calibration data is corrupt, and although the Test Set will function, measurements will be inaccurate.
  • Page 328: Flash Rom Firmware Upgrade Error Messages

    Error Messages Flash ROM Firmware Upgrade Error Messages Flash ROM Firmware Upgrade Error Messages Test Set’s firmware is stored in flash ROMs. With flash ROMs, the firmware can be quickly upgraded with new firmware from a memory card. It is not necessary to open the Test Set and replace individual ICs. Should problems arise in the process of uploading the new firmware, the user is notified by messages on the display which state the situation and suggest any actions to be taken.
  • Page 329: Programming Voltage Error

    Error Messages Flash ROM Firmware Upgrade Error Messages Programming Voltage Error The programming voltage is supplied to the flash ROMs from the power supply through the Controller assembly. The fault is most likely on the Controller but can be caused by the Filter/Regulator assembly. ROM Checksum Error With the new firmware loaded into the Test Set’s flash ROMs, the checksum on the ROM is tested.
  • Page 330: Self-Calibration Error Messages

    Error Messages Self-Calibration Error Messages Self-Calibration Error Messages Voltmeter Self Calibration Failed. Error = 223, 0x0000ffff (EXAMPLE) The example noted above is one of many messages that may occur during self-calibration. When the Test Set is powered up and at timed intervals for certain measurements, the Test Set calibrates itself internally.
  • Page 331: Text Only Error Messages

    Error Messages Text Only Error Messages Text Only Error Messages Text only error messages are generally associated with manual operation of the Test Set. Text only error messages can also be displayed while running the Test Set’s built-in diagnostic or calibration utility programs.
  • Page 332: Positive Numbered Error Messages

    Positive numbered error messages usually occur when trying to save or retrieve an IBASIC file, or when trying to run a faulty IBASIC program. Refer to the Agilent Instrument BASIC User’s Handbook for information on IBASIC error messages. Positive numbered error messages take the form: ERROR XX “error message”...
  • Page 333: Ibasic Error Messages

    IBASIC Error Messages are associated with IBASIC language operation. IBASIC error messages can have both positive and negative numbers (but always start with "IBASIC Error:"). Refer to the Agilent Instrument BASIC User’s Handbook for information on positive numbered error messages. Refer to the GPIB Error Messages section of...
  • Page 334: Gpib Error Messages

    Error Messages GPIB Error Messages GPIB Error Messages GPIB Error Messages are associated with GPIB operation. Refer to the Agilent 8935 Syntax Reference Guide for information on GPIB error messages. HP-IB and GPIB are used interchangably throughout this manual and NOTE all E6380A documentation.
  • Page 335: Non-Recoverable Firmware Error

    If the failure reoccurs, you should record exactly what the configuration of the instrument was when the error appeared, and contact Agilent. This information will help us determine the proper course of action for your repair.
  • Page 336 Error Messages Non-Recoverable Firmware Error Use the following procedure to re-enter the three calibration factors that were erased when RAM is cleared. Use the GENERATOR ANALYZER screen keys (to the left of the cursor control knob) to access the required screens. 1.
  • Page 337 Error Messages Non-Recoverable Firmware Error Appendix A...
  • Page 338 Index Numerics A2A70. See Control Interface assembly (A2A70) 6 kHz BPF. See Audio Filters battery A2A80. See Audio 1 assembly (A2A80A1, A2A80A2) AA battery (A2A80) PC card A2A80A1, A2A80A2. See Audio Battery Holder assembly (A3A4) Filters (A2A80A1, A2A80A2) disassembly A1. See Front Panel assembly (A1) A3.
  • Page 339 Index calibration. See periodic Audio Analyzer 1 External LO IF/IQ Mod assembly adjustments Paths (A2A120) calibration data Audio Analyzer 1 Internal Motherboard assembly (A2A1) how to recover Paths loss of Audio Analyzer 2 PC Board assemblies (A2) storage locations Audio Frequency Generators 1 PCMCIA assembly (A2A10) troubleshooting and 2...
  • Page 340 Image Rejection (Spectrum parts identification parts identification Analyzer) performance test firmware Modulation Accuracy (CDMA checking version Analyzer) performance test internet, factory website (Agilent loading DSP firmware personnel only) loading host firmware Modulation Accuracy (CDMA IQ Calibration adjustment non-recoverable error Generator) performance test...
  • Page 341 Rear Panel assembly (A3) FM Flatness (RF Generator) periodic calibration. See periodic Receiver assembly (A2A21) adjustments Receiver DSP assembly Frequency Accuracy (AF phone number (A2A36) Generator) Agilent support Regulator assembly (A3A1) parts ordering RF I/O assembly (A2A130) Index...
  • Page 342 Index power cables Residual FM (RF Analyzer) block diagram power supply performance test parts identification LEDs Residual FM (RF Generator) troubleshooting test points performance test Signal Source assembly (A2A32) Power Supply assembly (A3A2) Residual Noise (AF Analyzer) block diagram disassembly performance test parts identification parts identification...
  • Page 343 Index Gen Ref assembly (A2A100) manual procedures Rcvr Synth (A2A22) Reference (A2A23) RF analyzer RF source section Sig Gen Synth (A2A25) Upconverter assembly (A2A110) block diagram disassembly parts identification upgrades firmware Value (hex) field, SERVICE screen Variable Frequency Notch Filter adjustment verification after repair...

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