Agilent Technologies 8510C Service Quick Reference Manual
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Agilent Technologies 8510C Service Quick Reference Manual

Agilent Technologies 8510C Service Quick Reference Manual

Network analyzer system
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Agilent Technologies
8510C Network Analyzer System
Service Quick Reference Guide
Manufacturing Part Number: 08510-90317
Printed in USA
Print Date: February 2005
Revision 3.2
Supersedes: July 2003
© Copyright 1992, 1997, 2001, 2003, 2005 Agilent Technologies

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  • Page 1 Agilent Technologies 8510C Network Analyzer System Service Quick Reference Guide Manufacturing Part Number: 08510-90317 Printed in USA Print Date: February 2005 Revision 3.2 Supersedes: July 2003 © Copyright 1992, 1997, 2001, 2003, 2005 Agilent Technologies...
  • Page 2 To print copies of this document, download the PDF file from the Agilent Web site: • Go to http://www.agilent.com. • Enter the document’s part number (located on the title page) in the Quick Search box. • Click GO. 8510C Service Quick Reference Guide...
  • Page 3 Typeface Conventions Italics • Used to emphasize important information: Use this software only with the Agilent Technologies xxxxxX system. • Used for the title of a publication: Refer to the Agilent Technologies xxxxxX System-Level User's Guide. • Used to indicate a variable: Type LOAD BIN filename.
  • Page 4 (alt) (+39) (0)2 9260 8484 (alt) (+44) (0)7004 123123 (fax) (+41) (0)22 567 5314 (fax) (+44) (0)7004 444555 (tel) = primary telephone number; (alt) = alternate telephone number; (fax) = FAX number; * = in country number 11/16/04 8510C Service Quick Reference Guide...

  • Page 5: Table Of Contents

    System Level Troubleshooting Block Diagram (LCD) ......A-11 8510C Service Quick Reference Guide...
  • Page 6 Contents Contents-vi 8510C Service Quick Reference Guide...

  • Page 7: Agilent 8510C Installation

    Agilent 8510C Installation 8510C Service Quick Reference Guide...
  • Page 8 Agilent 8510C Installation 8510C Service Quick Reference Guide...

  • Page 9: Preflight Checkout

    With 8510B must If connected to 85102B: for 8340/41/A/B with serial numbers SWEEP OUTPUT have Rev. 4.0 or 8510C system will lock up 2513 and above. or not work properly. Higher to work Use Upgrade Kit 08340-60334 for DO NOT USE WITH 85102B/8510C! properly with serial numbers 2504A and below.
  • Page 10 Agilent 8510C Installation Preflight Checkout 8510C Service Quick Reference Guide...

  • Page 11: Instrument Compatibility

    Instrument Compatibility 8510C Service Quick Reference Guide...

  • Page 12: Upgrading An 8340/8350 Source

    8340/41 sources with serial prefix 2505A or greater may also need to be upgraded depending on the 8510C operating system revision used. 8340/41 sources can work with the newer revisions of 8510C firmware C.07.xx and C.08.xx (within feature limitations and with a minimum of bugs) provided they have a source firmware date of 1992 or later.

  • Page 13: Upgrading An 8360 Source

    Refer to Table 2-1 for upgrades required for these functions. 8510C revision C.07.00 or greater firmware requires use of an 8360 series source for complete compatibility. Revision C.06.xx firmware does not support receiver calibration or power domain functions.

  • Page 14: 8360 Series Coupler To Bridge Detector

    All 8510B/C systems when used with an 8360 series source that have a bridge detector inside will potentially cause an over-modulation running error message. If your 8510C has Rev.7.0 or greater, an RF unleveled caution message will also be displayed.

  • Page 15: Dedicated 8510 System Source Models

    0 dBm − 20 dBm Minimum Settable If your source does not meet these power requirements, you may need to retrack the YIG oscillator. When you look at power, also check for spikes, powerholes, and squegging. 8510C Service Quick Reference Guide...
  • Page 16 1. Specifications apply over the 0 to 35 ×C temperature range (0 to 25 C for output frequencies > 20 GHz). Maximum leveled output power over the 35 to 55 ×C temperature range typically degrades by less than 2 dB. 8510C Service Quick Reference Guide...
  • Page 17 20 GHz, 2 dB above 20 GHz, and 2.5 dB above 40 GHz. Std: − 20 dBm Minimum Settable Output Power Opt 001: − 110 dBm Resolution 0.02 dB Switching Time (without attenuator change) 10 ms, typical ο Temperature Stability 0.01 dB / C, typical 8510C Service Quick Reference Guide...

  • Page 18: Compatible External Monitors

    Monitors for Models with a CRT Display The 8510C with a CRT installed is designed to work with monitors that have these four specifications: • Horizontal scan rate of 25.5 kHz must be supported.

  • Page 19: Displays

    NOTE ray tube (CRT). An 85101C with a CRT display has a serial prefix of 3936A and lower or a serial prefix of US4116, and uses 8510C firmware revision C.07.xx. The current 85101C display/processor (8510C top box) incorporates a liquid crystal display (LCD).

  • Page 20: Cleaning The Lcd

    D = Electrical Delay, Phase Offset, Magnitude Offset, or Magnitude Slope On H = Hold O = IF Overload M = Multiple Source On E = External Trigger W = Wideband Detectors On (Pulse Mode On—optional feature) 2-10 8510C Service Quick Reference Guide...

  • Page 21: 8510C Adjustments

    8510C Adjustments 8510C Service Quick Reference Guide...
  • Page 22 8510C Adjustments Most of the 8510C is self adjusting. Table 3-1 lists the adjustments most frequently needed for 8510C system service. Table 3-1 Typically Used 8510C Adjustments Title Adjustment Function Assembly Adjusted Aligns softkey labels and mechanical Vertical Alignment Adjustment...

  • Page 23: Procedure 1. Vertical Alignment Adjustment (Crt)

    3. Insert a narrow, non-conductive, flat-head 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 8510C Service Quick Reference Guide...

  • Page 24: Procedure 2. Degaussing (Demagnetizing) The Crt Display

    Generally, degaussing is accomplished with a slow rotary motion of the degausser, moving it in a circle of increasing radius while simultaneously moving away from the CRT. CAUTION Applying an excessively strong magnetic field to the CRT face can destroy the CRT. 8510C Service Quick Reference Guide...
  • Page 25 Figure 3-2 Motion for Degaussing the Display In an emergency, you can use a running electric drill or a pencil sharpener NOTE that draws one to two amps through its AC motor winding. 8510C Service Quick Reference Guide...

  • Page 26: Procedure 3. 8350B/Plug-Ins Front Panel Freq Cal

    SW signal, then RF peaking and AM bandwidth calibrations are performed. For 8510C purposes only, ramp sweep mode is needed. Perform the following calibration procedure: 1.

  • Page 27: Procedure 5. Trim Sweep

    2. Connect measurement PORT 1 to measure PORT 2 (through connection). Press PHASE 3. Set the controls to sweep the frequency range of interest. START STOP, CENTER, SPAN 4. Press [ . When the next sweep is complete, the trace should DATA→MEMORY 1] MATH (/)] 8510C Service Quick Reference Guide...
  • Page 28 In the 8350 plug-in firmware at 7 GHz Band Cross 201 MHz span only, phase NOTE ≥ measurements after trim sweep correction can still result in a 75° step at the band cross points due to switching of the RF to the wrong band. 8510C Service Quick Reference Guide...

  • Page 29: Performance Verification

    Performance Verification 8510C Service Quick Reference Guide...
  • Page 30 Performance Verification This page intentionally left blank. 8510C Service Quick Reference Guide...

  • Page 31: Preparation For Performance Verification

    Table 4-1 lists the equipment needed to run the tests. Table 4-1 Equipment Required • 8510C network analyzer and accessories • test set • source • For PC based Performance Verification — Laptop or PC running BASIC for Windows (Rev. 6.32 or greater under Windows 95/98/NT).
  • Page 32 8516. (Use upgrade kit 11875A, if firmware is earlier than May 11, 1988.) 8350s may not pass phase on the 25 ohm mismatch verification standard. Try Trim Sweep first or do a limited calibration. 8510C Service Quick Reference Guide...

  • Page 33: Cw Frequency Accuracy Test

    5. From the analyzer front panel, enter the stop frequency of the source or test set, whichever is lower. (For an 83640 or 83651, refer to the 8510C On-Site Service Manual, Chapter 8, “Performance Verification and Specifications”, in the frequency test procedure section for specific instruction about disabling the source doubler.)
  • Page 34 40 GHz and 50 GHz can be measured with a 26.5 GHz counter to verify 40 or 50 GHz due to double function in source. 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. 8510C Service Quick Reference Guide...

  • Page 35: Automated Performance Tests

    4. Remove the language extensions and insert the drivers disk into the right-hand drive. Type LOAD BIN “HPIB”. Press EXECUTE Remove the drivers disk. Type MSI“:,700,0”. Press to specify mass storage device on the external disk drive. EXECUTE 8510C Service Quick Reference Guide...

  • Page 36: Running The Program

    4. Press [done] when equipment selection is completed. Wait for the files to load for each piece of equipment. 5. From the main menu select [Verify System], then follow the CRT step by step instructions. 8510C Service Quick Reference Guide...

  • Page 37: Optional Swept Frequency Accuracy Check

    Connect long test port cables between the front panel ports and short reference lines between the back panel ports (or vice versa). To insure unbalancing you may use one short and one long reference link on the test set rear panel. 8510C Service Quick Reference Guide...
  • Page 38 [SWEEP TIME] 1 MHz per division. 8. Measure the trace variation at 1 MHz per division scale, and then record the results on the test record at the end of this procedure. 4-10 8510C Service Quick Reference Guide...
  • Page 39 Position the highest frequency bandswitch transition point on to the reference line. Press synthesizer keys: and then adjust the front panel knob. Record the maximum CAL, [MORE], [TRIM SWEEP] trace variation on the test record. Figure 4-4 shows a typical display. Figure 4-4 Trace Variation Display 8510C Service Quick Reference Guide 4-11...
  • Page 40 90% confidence level. 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. 4-12 8510C Service Quick Reference Guide...

  • Page 41: A Troubleshooting Flowchart And Block Diagrams

    Troubleshooting Flowchart and Block Diagrams 8510C Service Quick Reference Guide...
  • Page 42 Troubleshooting Flowchart and Block Diagrams 8510C Service Quick Reference Guide...

  • Page 43: System Flow Chart (1

    Troubleshooting Flowchart and Block Diagrams System Flow Chart (1 of 2) Figure A-1 System Flow Chart (1 of 2) 8510C Service Quick Reference Guide...
  • Page 44 Troubleshooting Flowchart and Block Diagrams System Flow Chart (2 of 2) Figure A-2 System Flow Chart (2 of 2) 8510C Service Quick Reference Guide...

  • Page 50: System Level Troubleshooting Block Diagram (Crt

    Troubleshooting Flowchart and Block Diagrams System Level Troubleshooting Block Diagram (CRT) A-10 8510C Service Quick Reference Guide...

  • Page 52: System Level Troubleshooting Block Diagram (Lcd

    Troubleshooting Flowchart and Block Diagrams System Level Troubleshooting Block Diagram (LCD) A-12 8510C Service Quick Reference Guide...

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