Agilent Technologies 8510XF Service Quick Reference Manual
Agilent Technologies 8510XF Service Quick Reference Manual

Agilent Technologies 8510XF Service Quick Reference Manual

Network analyzer system
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Summary of Contents for Agilent Technologies 8510XF

  • Page 1 T h e t e s t & me a s u r e me n t e q u i p me n t y o u n e e d a t t h e p r i c e y o u w a n t . A l l t e s t I n s t r u me n t s , I n c .
  • Page 2 Agilent Technologies 8510XF Network Analyzer System Service Quick Reference Guide Agilent Part Number: E7340-90013 Printed in USA Print Date: May 2002 Supersedes: June 2001...
  • Page 3: Notice

    This documentation supports a product that previously shipped under the Hewlett-Packard company brand name. The brand name has now been changed to Agilent Technologies. The two products are functionally identical, only our name has changed. The document still includes references to Hewlett-Packard products, some of which have been transitioned to Agilent Technologies.
  • Page 4: What You'll Find In This Manual

    8360 Series Sources Full User CAL • Power Level Calibration Detector Gain Cal Conversion Loss Cal Chapter 4 Performance Verification Chapter 5 System Level Servicing and Troubleshooting • Theory of Operation • Troubleshooting Block Diagrams 8510XF Service Quick Reference Guide iii...
  • Page 5: Warranty

    Certification Agilent Technologies certifies that this product met its published specifications at the time of shipment from the factory. Agilent Technologies further certifies that its calibration measurements are traceable to the United States National Institute of Standards and Technology (NIST, formerly NBS), to the extent allowed by the Institute’s calibration facility, and to the...
  • Page 6: Contacting Agilent

    (fax) (66) 1 661 3714 PLDT subscriber only) 1 800 16510288 Taiwan People’s Republic of India (tel) 0800-047-866 China (tel) 1-600-11-2929 (fax) (886) 2 25456723 (tel) (preferred): (fax) 000-800-650-1101 800-810-0189 (tel) (alternate): 10800-650-0021 (fax) 10800-650-0121 8510XF Service Quick Reference Guide v...
  • Page 7: Safety And Regulatory Information

    If it is accompanied by a year, it indicates the year the design was proven. The C-Tick mark is a registered trademark of the Australian Spectrum Agency. The CSA mark is a registered trademark of the Canadian Standards Association. 8510XF Service Quick Reference Guide...
  • Page 8: Safety Earth Ground

    If this product is to be powered by autotransformer, make sure the common terminal is connected to the neutral (grounded) side of the ac power supply. 8510XF Service Quick Reference Guide vii...
  • Page 9: Typeface Conventions

    Edit Parameters • Used for menus, lists, dialog boxes, and button boxes on a computer monitor from which you make selections using the mouse or keyboard: Double-click to quit the program. EXIT viii 8510XF Service Quick Reference Guide...
  • Page 10: Table Of Contents

    8510XF Option 006 ........
  • Page 11 Frequency Bands ........5-4 8510XF Firmware Specifications ......5-6 Hardware States .
  • Page 12: Installation "Preflight" Checkout

    1.0 mm coax connector to interface with the 1.0 mm wafer probe. Broadband calibration with built-in firmware The built-in firmware of the 8510XF system enables you to perform a single calibration from 45 MHz to 110 GHz, either in coax or on-wafer.
  • Page 13: System Diagrams

    Installation “Preflight” Checkout System Diagrams System Diagrams Rack Diagram Configured for Coaxial Measurements Figure 1-1 Rack diagram configured for coaxial measurements 1-2 8510XF Service Quick Reference Guide...
  • Page 14: Rack Diagram Configured For Wafer-Probe Measurements

    Installation “Preflight” Checkout System Diagrams Rack Diagram Configured for Wafer-Probe Measurements Figure 1-2 Rack diagram configured for wafer-probe measurements 8510XF Service Quick Reference Guide 1-3...
  • Page 15: Front View Cabling Diagram

    Installation “Preflight” Checkout System Diagrams Front View Cabling Diagram Figure 1-3 Front view wiring diagram 2.4 mm 3.5 mm testhead.cdr Figure 1-4 Test head connectors 1-4 8510XF Service Quick Reference Guide...
  • Page 16: Rear View Cabling (Rack Mounted Source)

    Installation “Preflight” Checkout System Diagrams Rear View Cabling (rack mounted source) Figure 1-5 Rear view wiring diagram (rack mounted source) 8510XF Service Quick Reference Guide 1-5...
  • Page 17: Rear View Cabling (Table Mounted Source)

    Installation “Preflight” Checkout System Diagrams Rear View Cabling (table mounted source) Figure 1-6 Rear view wiring diagram (table mounted source) 1-6 8510XF Service Quick Reference Guide...
  • Page 18: 8510Xf Option 006

    Installation “Preflight” Checkout 8510XF Option 006 8510XF Option 006 8510XF Option 006 provides the capability to add an additional 8510 series test set provided Option 001 is installed in the test set. Option 006 includes: • Coupler and amplifier added to millimeter-wave controller •...
  • Page 19 Installation “Preflight” Checkout 8510XF Option 006 1-8 8510XF Service Quick Reference Guide...
  • Page 20: Upgrading A Source For 8510Xf

    No modification required. 1. Fully compatible at time of shipment. 2. Can be used for 8510XF LO source when upgraded and includes Options 004 and 008. 3. Includes installation. 4. 83623L, 30L, 40L and 50L, with Option 004 and 008, will also work as LO source, but do not have modulation capability (83623L maximum power at highest frequency is + 15 dBm).
  • Page 21 Upgrading a Source for 8510XF 2-2 8510XF Service Quick Reference Guide...
  • Page 22: Making 8510Xf Adjustments

    This chapter covers both the CRT and LCD displays. Some display-related adjustments apply only to instruments with CRT display. The following table provides adjustments most frequently needed for 8510XF system service. Most of the 8510XF is self-adjusting except for the following: Table 3-1...
  • Page 23: Table

    1. These adjustments apply to a CRT based display only. 2. Minimum 4 megabytes of available memory after BASIC has been loaded. 3. With BASIC for Windows and PCMCIA-GPIB card. 4. Includes language extensions and drivers. 3-2 8510XF Service Quick Reference Guide...
  • Page 24: Procedure 1. Vertical Alignment Adjustment

    3. Insert a narrow, non-conductive, flathead screwdriver (2 or more inches long) into the vertical position hole. 4. Adjust the control until the softkey labels align with the softkeys. Figure 3-1 Vertical adjustment location 8510XF Service Quick Reference Guide 3-3...
  • Page 25: Procedure 2. Degaussing (Demagnetizing) The Display

    CRT. The following figure illustrates the motion for degaussing the display. CAUTION Applying an excessively strong magnetic field to the CRT face can permanently destroy the CRT. Figure 3-2 Using a Degausser on the display 3-4 8510XF Service Quick Reference Guide...
  • Page 26: Procedure 3. 8360 Series Sources Full User Cal

    Modulator offset and gain adjustment optimizes the modulator in the 8360 series source for maximum performance. This is necessary since the RF 8360 Series Sources source is part of the 8510XF level control (refer to Figure 3-3 on page 3-6).
  • Page 27: Procedure 4. Power Level Calibration

    Calibration translation function using the conversion loss calibration procedure. The power level calibration is accomplished using IF leveling as shown in the following circuit. Figure 3-3 8510XF level control 3-6 8510XF Service Quick Reference Guide...
  • Page 28 E7340/50A to compensate for conversion losses in the E7340/50A so that ports 1 and 2 will be power leveled. a. The external controller with its software changes the 8510XF CW frequency and reads the power meter. b. The entire frequency range is stepped in 25/50 MHz increments at approximately 2200 points per port (25 MHz steps from 45 MHz to 18 GHz, and 50 MHz steps from 18 GHz to 110 GHz).
  • Page 29 8. Select (1) for the left test-head, or (2) for the right test-head. 9. Enter the serial number of the test head up to eight digits. 10. Approximately 20 frequencies will be used to check the 8510XF power control. These frequencies and the corresponding levels will be displayed if all is okay.
  • Page 30: Performance Verification

    Performance Verification Verification Overview NOTE The verification procedures in this chapter work for all 8510 and 8510XF hardware configurations by substituting the proper 8510 source, test set, accessories, and millimeter wave controller. Performance verification software Rev. A.05.00 or greater will be available only in DOS format, and will work with laptops or PCs that have the required accessories installed.
  • Page 31: Materials Required

    • PCMCIA Card for Omnibook or laptop • GPIB cable from PC to 8510XF Calibration and The 8510XF requires separate verifications for frequencies below and above 50 GHz (see on “Frequency ranges” on page 4-3). Frequency Ranges A special two-band calibration procedure is required for the performance verification of the 8510XF system (a measurement calibration is not...
  • Page 32 85059AOV -- 1.0 mm (45 MHz-50 GHz) 85059AOV110 -- 1.0 mm (above 50 GHz) 1. The 85059A --1.0 mm (45MHz-50GHz) [Use w/ 8517A/B] selection is not used for the 8510XF Performance Verification. Table 4-3 System hardware configuration (E7342A -- 85 GHz System) Hardware Selection (<50 GHz Range)
  • Page 33: Verification Setup

    C. Additionally, the temperature ° cannot vary by more than 1 C after calibration. 2. Perform a good installation “preflight” checkout on the 8510XF system. 3. Power on the system components in the following order: a. Sources b. Millimeter wave controller c.
  • Page 34: Software Configuration

    1. Verify the GPIB cable is connected from the PC to the GPIB bus (also referred to as the public bus) on the analyzer. 2. After the program is started, the program title (8510 Specifications and Performance Verification Software) and copyright notices are displayed. Select RESUME 8510XF Service Quick Reference Guide 4-5...
  • Page 35 System Hardware and Software Configuration Menu System Specs System Spec Table Menu System Uncert System Uncertainty & Dynamic Accuracy Plot/Table Menu Edit Specs Edit the System Specifications Verify System System Performance Verification Menu Quit Progam Quit this Program 4-6 8510XF Service Quick Reference Guide...
  • Page 36 GPIB WIN Printer LPT1 LPT2 File 1. Windows default printer 2. Under Printer Redirection (File): Verify directory path exists before entering name of path 3. Select to return to Main Menu. Done Previous Menu 8510XF Service Quick Reference Guide 4-7...
  • Page 37: Verification Procedures

    (also refer to the “Two-Band Calibration Procedure for 8510XF Performance Verification” art foldout at the end of this chapter). a. Install the 1.0 mm female to female cable (8.8 cm, part number 11500-60001) onto the right test head (port 2) prior to calibration.
  • Page 38 Follow the Measure Data program prompts. 10. When verification has been completed view the data, then print or save (if required). If needed the verification standard can be remeasured by selecting Repeat Measure 8510XF Service Quick Reference Guide 4-9...
  • Page 39: High Band Verification (> 50 Ghz)

    8. Change default for from Cal Set for Broadband Measurement NOTE It is suggested that the High Band Calibration be stored in Cal Set 3 (Refer Table 4-1 on page 4-2). 4-10 8510XF Service Quick Reference Guide...
  • Page 40 (refer to Table 4-6 on page 4-9). 14. Select until the Main Menu appears. Prior Menu 15. Select to exit the program, then close the program window to Quit Program finish. 8510XF Service Quick Reference Guide 4-11...
  • Page 41: Cw Frequency Accuracy Test

    Procedure 1. Connect the equipment as shown in Figure 4-1. Figure 4-1 CW frequency accuracy equipment setup 2. To preset the instruments, press INSTRUMENT STATE [RECALL] {MORE} . Disregard any error messages. {FACTORY PRESET} 4-12 8510XF Service Quick Reference Guide...
  • Page 42 In Case of Difficulty If the measured values do not meet the specifications listed on the test record, refer to your source manual for adjustment and troubleshooting instructions. 8510XF Service Quick Reference Guide 4-13...
  • Page 43: Performance Test Record

    Required” chapter of the On-Site Service Manual. The quoted uncertainty represents limits of 3 times the equivalent standard deviation (3s) and is intended to represent 90% confidence level. 2. For 83620A/B or 83621A/B only. 4-14 8510XF Service Quick Reference Guide...
  • Page 44 2. The broadband load is a combination of a lossy delay line plus a 50 GHz load. (M) SHORT2 3. Also used for 45 MHz frequency point. OMIT OMII ISOLATION Calibration Techniques: FWD ISOL'N A variety of calibration techniques can be used with the 8510XF, including the following: FWDI LOAD DONE DONE LOAD/SHORT • SOLT (Short-Open-Load-Thru) Used for performance verification 45 MHz to 50 GHz.
  • Page 45: System Level Servicing & Troubleshooting

    System Level Servicing & Troubleshooting This chapter describes the basic servicing and troubleshooting techniques for the 8510XF system. 8510XF Service Quick Reference Guide 5-1...
  • Page 46: Theory Of Operation

    Theory of Operation Theory of Operation The 8510XF applies RF test signals to the DUT, and compares these incident signals to whatever is reflected from (or transmitted through) the DUT. The incident, reflected, and transmitted signals are separated out by means of directional couplers, and mixed down to create a set of four IF inputs to the analyzer, as illustrated below.
  • Page 47 System Level Servicing & Troubleshooting Theory of Operation At this simplified level of description, system operation does not differ from that of other 8510-based systems. What makes the 8510XF unique is the means by which it covers its extremely wide frequency range. Figure 5-2 shows how the 8510XF test set is divided into frequency bands.
  • Page 48: Millimeter Wave Controller

    In a portion of this range (from 18 to 50 GHz) the mixers use the third harmonic of the LO input frequency. In the remainder of this range (from 2 to 18 GHz), the mixers use the fundamental of the LO input frequency. 5-4 8510XF Service Quick Reference Guide...
  • Page 49 The mixers for this range are located in the millimeter wave controller, and are designed to use the fundamental of the LO input frequency. This applies to 8510XF systems equipped with Option 005 only.
  • Page 50: 8510Xf Firmware Specifications

    85.5 - 97.7 GHz 97.7 - 110 GHz Step Mode Internally implemented as frequency list mode. • 51 points • 101 points • 201 points • 401 points • 801 points List Mode Up to 801 points. 5-6 8510XF Service Quick Reference Guide...
  • Page 51: Hardware States

    Coaxial Coaxial 1. The 8510XF normally operates in step mode (ramp mode is not available). 2. Source power is set/read with internal source leveling selected. Normal (default) operation of the 8510XF is with system source leveling selected. 3. Z is normally set to one Ohm for calibrations/measurements using waveguide test port connectors.
  • Page 52: Power Level Check

    System Level Servicing & Troubleshooting Power Level Check Power Level Check A quick operational check may be performed by measuring the power levels of the 8510XF user parameters a , and b . Observing the appropriate levels listed in Table 5-5 on page 5-9 gives the user a high level of confidence that the system is operating properly.
  • Page 53 Table 5-5 derived. These graphs are typical 8510XF user channel traces with offset shorts connected to Port 1 and Port 2. The RF source power level must be set so that it does not activate the IF OVERLOAD running error message.
  • Page 54: Test Plots

    In order for no IF OVERLOAD running error message to occur, it may be necessary to set the RF Source power level lower. 7. LO Source power: +10 dBm (default) 8. Response reference value: 0 dB (default) 9. Response reference position: 8 Div 5-10 8510XF Service Quick Reference Guide...
  • Page 55 System Level Servicing & Troubleshooting Power Level Check Figure 5-3 User 1 (a1) Figure 5-4 User 2 (b2) 8510XF Service Quick Reference Guide 5-11...
  • Page 56 System Level Servicing & Troubleshooting Power Level Check Figure 5-5 User 3 (a2) Figure 5-6 User 4 (b1) 5-12 8510XF Service Quick Reference Guide...
  • Page 57 Power level check (high RF power) The IF OVERLOAD running error message is normal when obtaining these graphs. A power level of +10 dBm will over drive the 8510XF so you can see the intermodulation leveling differences. The graphs Figures 5-7...
  • Page 58 System Level Servicing & Troubleshooting Power Level Check Figure 5-7 User 1 (a1) Figure 5-8 User 2 (b2) 5-14 8510XF Service Quick Reference Guide...
  • Page 59 System Level Servicing & Troubleshooting Power Level Check Figure 5-9 User 3 (a2) Figure 5-10 User 4 (b1) 8510XF Service Quick Reference Guide 5-15...
  • Page 60 6. Response reference value: −20 dB 7. Response reference position: 5 Div (default) NOTE For additional information on normal operating conditions, refer to the “System Operation Test” section in the “Installation” chapter of the 8510XF Operating and Service Manual. 5-16 8510XF Service Quick Reference Guide...
  • Page 61 System Level Servicing & Troubleshooting Power Level Check Figure 5-11 User 1 (a1) Figure 5-12 User 2 (b2) 8510XF Service Quick Reference Guide 5-17...
  • Page 62 System Level Servicing & Troubleshooting Power Level Check Figure 5-13 User 3 (a2) Figure 5-14 User 4 (b1) 5-18 8510XF Service Quick Reference Guide...
  • Page 67 Check that the 8510XF firmware is XF.01.00 or greater. Obvious Self-Test, running error, or unratioed power test 8510XF is OK to a 95% confidence level. To do this, 2. Failed performance tests? failure. Refer to the 8510XF Service Manual, part run all the service program tests in the "85101C...
  • Page 68 15 Run Main Program 2 A5 Processor Ram 16 Memory Operations Prove 85102 is OK You can use the 8510XF , power-up self tests, running 3 A7 Data Bus 17 Rerun Self Test error messages, a1, a2, b1, and b2 raw channel displays,...
  • Page 69 Connector - Test Port Filler Panel 1mm M/F 46298M (part number Test Port Drawer Unit GPIB System Bus 85104 - 60061) ( 1 of 2) To Sheet 2 8510XF System Level Troubleshooting Block Diagram (CRT/LCD) (Sheet 1 of 2) rr52c...
  • Page 70 FAILED and the A18 board should be REPLACED. Trigger IN GPIB NOTE: A16, A23, A22 are not used for 8510XF operation; that is, phase lock none, except for some signal transfers from LPTHLD, etc. 8510XF System Level Troubleshooting Block Diagram (CRT) (Sheet 2 of 2) rr518c...
  • Page 71 FAILED and the A18 board should be REPLACED. Trigger IN GPIB NOTE: A16, A23, A22 are not used for 8510XF operation; that is, phase lock none, except for some signal transfers from LPTHLD, etc. 8510XF System Level Troubleshooting Block Diagram (LCD) (Sheet 2 of 2) rr53c.cdr...

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