Agilent Technologies 83624A Service Manual

 Agilent Technologies 85108L Pulsed-RFNetwork Analyzer SystemSystem ManualSerial NumbersThis manual applies directly to instrumen

85108L System ManualSystem and Documentation OverviewManual Overview1-2Manual OverviewUse this manual for installation, operation, calibration, perfor

85108L System ManualSystem Service and Troubleshooting85108 IF/Detector Option 008 Pulsed-RF IF Path Troubleshooting Flowchart6-18Procedure 5: A6 Cloc

Figure 6-4. 85108L Block Diagram6dB 6dB6 dB85110L83620A# H8083620AGP-IB6dBGP-IB Control6dBpw447l

Figure 6-5 85102B IF-Detector Block Diagram85102B

85108L System ManualSystem Service and Troubleshooting85108 IF/Detector Option 008 Pulsed-RF IF Path Troubleshooting Flowchart6-23Figure 6-6 IF Detect

85108L System ManualSystem Service and Troubleshooting85108 IF/Detector Option 008 Pulsed-RF IF Path Troubleshooting Flowchart6-24

85108L System Manual7-17 Replaceable Parts

85108L System ManualReplaceable PartsOrdering Information7-2Ordering InformationThis section contains information for ordering replaceable parts that

85108L System ManualReplaceable PartsOrdering Information7-3Ref DesigQuantity Description Agilent Part NumberBoard AssembliesA2 1 Board Assembly, Puls

85108L System ManualReplaceable PartsOrdering Information7-41 Parchment gray - use on the rack mount flanges, rack support shelves, and front panel601

85108L System ManualA-1A Glossary of Pulsed-RF System TermsThis appendix includes a list of terms and their definitions used in Chapter 3, “Operation.

85108L System ManualSystem and Documentation OverviewManual Overview1-3Figure 1-1 Typical 85108L Pulsed-RF Network Analyzer System

85108L System ManualGlossary of Pulsed-RF System TermsA-2Term DefinitionDuty Cycle The ratio of the time that the pulse is ON to the total pulse repet

85108L System ManualGlossary of Pulsed-RF System TermsA-3Figure A-1 Pulse Terms and DefinitionsTrigger Delay The time after pulse ON that the measurem

85108L System ManualGlossary of Pulsed-RF System TermsA-4

85108L System Manual B-1B Hardware and Instrument States

B-2 85108L System ManualHardware and Instrument StatesThis appendix contains information on:• GPIB addresses of the pulsed-RF system instruments (Tabl

85108L System Manual B-3Hardware and Instrument StatesTable B-3 Instrument States Specific to the Pulsed-RF SystemSystem Parameter Pulsed-RF CWPow

B-4 85108L System ManualHardware and Instrument StatesExamining Your Pulse Hardware and Instrument StateExamining Your Pulse Hardware and Instrument S

85108L System ManualC-1C Loading the System Configuration Disk

85108L System ManualLoading the System Configuration DiskC-2The 85108L system configuration disk contains files for pulsed-RF configuration and two no

85108L System ManualD-1D Avoiding the Effects of Spurs

85108L System ManualSystem and Documentation OverviewManual Overview1-4System OverviewThe pulsed-RF network analyzer system allows you to measure and

85108L System ManualAvoiding the Effects of SpursSpurious ResponsesD-2Spurious Responses There are measurement frequencies at which combinations of LO

IndexIndex 1Numerics2-port calibration, 3-368360 series source check, 6-485110L S-parameter test set, 3-4Aa1 IF signal path check, 6-16A16 Pulse Trac

2 Index Indexreloading the operating system, 6-10repetition frequency, definition, A-2replaceable parts, 7-2requirementsenvironmental, 2-5heating and

85108L System Manual2-12 System Installation

85108L System ManualSystem InstallationSystem Arrival2-2System ArrivalThe pulsed-RF network analyzer system will be rack-mounted, assembled, and with

85108L System ManualSystem InstallationSystem Arrival2-3Table 2-1 System Equipment Checklist85108L Standard SystemInstrument Manual/Software Part Num

85108L System ManualSystem InstallationSystem Arrival2-4Figure 2-1 85108L Pulsed-RF Network Analyzer System

85108L System ManualSystem InstallationSystem Arrival2-5Site PreparationSite preparation includes the environmental and electrical requirements necess

85108L System ManualSystem InstallationSystem Arrival2-6Table 2-2 Maximum VA Ratings and BTU/hour Ratings of Instruments11. Values are based on 120

85108L System ManualSystem InstallationSystem Arrival2-7System VoltagesAll instruments in the 85108 system must be set to the local voltage. All syste

iiNoticeThe information contained in this document is subject to change without notice.Agilent Technologies makes no warranty of any kind with regard

85108L System ManualSystem InstallationSystem Arrival2-8Unpacking the System CabinetThe lifting brackets supplied with the rack are suitable for lift

85108L System ManualSystem InstallationSystem Arrival2-9Refer to Figure 2-3.4. Remove the ramp and packing material ① from the top of the rack. 5. Rem

85108L System ManualSystem InstallationSystem Arrival2-10Refer to Figure 2-4.6. Carefully open the rear door ①. Remove the screw holding the rear doo

85108L System ManualSystem InstallationSystem Arrival2-11Refer to Figure 2-5.8. Remove the pallet shipping block ② from the rear of the pallet. Remove

85108L System ManualSystem InstallationSystem Arrival2-12System and Benchtop Configuration and CablingThe configuration of the rack-mounted system wi

85108L System ManualSystem InstallationSystem Arrival2-13Figure 2-6 85108 System Cabling Diagram (rack mounted system)Figure 2-7 85108 System Cabling

85108L System ManualSystem InstallationSystem Arrival2-14Connecting a PlotterTo connect a plotter to the system, connect one end of the GPIB cable to

85108L System ManualSystem InstallationSystem Arrival2-15Initial TraceOnce the system is turned on, you should see a trace similar to Figure 2-8 on th

85108L System ManualSystem InstallationSystem Arrival2-16Firmware RevisionAll properly functioning systems display the firmware revision information

85108L System Manual3-13 Operation

iiiSafety and Regulatory InformationReview this product and related documentation to familiarize yourself with safety markings and instructions before

85108L System ManualOperationSystem Description3-2System DescriptionPulsed-RF stimulus and response measurements may be required in cases where contin

85108L System ManualOperationSystem Description3-3Figure 3-1 Simplified Pulsed-RF Network Analyzer Block Diagram

85108L System ManualOperationSystem Description3-485110L S-Parameter Test Set OperationFigure 3-2 shows a detailed diagram of the 85110L test set sign

85108L System ManualOperationSystem Description3-5Controlling Multiple Test SetsOption 001 for the 851x-series and 85110L test sets allows an 8510 to

85108L System ManualOperationSystem Description3-6Figure 3-3 Instrument State 1Check these items:✓ Domain: Pulse profile✓ Display Mode: Dual channe

85108L System ManualOperationSystem Description3-7Repeat step 2 on page 3-5 for the remaining instrument states and compare the results with Figure 3-

85108L System ManualOperationSystem Description3-8Figure 3-5 Instrument State 3Check these items:✓ Domain: Frequency✓ Display Mode: Dual channel sp

85108L System ManualOperationSystem Description3-9Figure 3-6 Instrument State 4Check these items:✓ Domain: Frequency✓ Display Mode: Four parameter

85108L System ManualOperationSystem Description3-10Figure 3-7 Instrument State 5Check these items:✓ Domain: Pulse profile✓ Display Mode: Four param

85108L System ManualOperationSystem Description3-11Figure 3-8 Instrument State 6Check these items:✓ Domain: Pulse profile✓ Display Mode: Single par

ivSafety Earth GroundThis is a Safety Class I product (provided with a protective earthing terminal). An uninterruptible safety earth ground must be p

85108L System ManualOperationSystem Description3-12Figure 3-9 Instrument State 7Check these items:✓ Domain: Frequency✓ Display Mode: Four parameter

85108L System ManualOperationSystem Description3-13Figure 3-10 Instrument State 8Check these items:✓ Domain: Frequency✓ Display Mode: Single parame

85108L System ManualOperationPulsed-RF Measurements Overview3-14Pulsed-RF Measurements OverviewTwo types of measurements are available with the pulse

85108L System ManualOperationPulsed-RF Measurements Overview3-15Pulse Profile DomainA repetitive sampling technique is used to make measurements in th

85108L System ManualOperationPulsed-RF Measurements Overview3-16Making Pulsed-RF MeasurementsFrequency Domain (Point-In-Pulse)CalibrationMeasurement c

85108L System ManualOperationPulsed-RF Measurements Overview3-17Figure 3-13 Amplifier Gain, Frequency (point-in pulse)The dynamic range can be increas

85108L System ManualOperationPulsed-RF Measurements Overview3-18Pulse Profile DomainCalibrationAfter selection of the pulse profile frequency, measure

85108L System ManualOperationPulsed-RF Measurements Overview3-19Frequency Domain Using Frequency ListIn the preceding measurement calibration procedur

85108L System ManualOperationPulsed-RF Measurements Overview3-205. Press DOMAIN, [PULSE PROFILE].6. Press: STIMULUS MENU, [FREQUENCY LIST], [SINGLE S

85108L System ManualOperationPulsed-RF Measurements Overview3-21Figure 3-16 Pulse Profile, S21, Thru1. Set Pulse Polarity. After instrument preset, th

vTypeface ConventionsItalics• Used to emphasize important information: Use this software only with the Agilent Technologies xxxxxX system.• Used for t

85108L System ManualOperationPulsed-RF Measurements Overview3-224. Set Measurement Time Span. The 8510 automatically chooses the minimum possible time

85108L System ManualOperationPulsed-RF Measurements Overview3-23Figure 3-18 S11 Smith ChartSwitching Between Frequency Domain and Pulse Profile Domain

85108L System ManualOperationPulsed-RF Applications3-24Pulsed-RF Applications Pulsed-RF Timing InformationIf your device is sensitive to Pulse Repetit

85108L System ManualOperationPulsed-RF Applications3-25Each measurement cycle is initiated by the falling edge of the TTL signal at the rear panel ext

85108L System ManualOperationPulsed-RF Applications3-26Pulse Repetition Period and Duty Cycle ConsiderationsFrom the measurement cycle information, yo

85108L System ManualOperationPulsed-RF Applications3-27 If you are viewing this with an oscilloscope, notice how the measurement cycle time varies acc

85108L System ManualOperationPulsed-RF Applications3-28Using External Pulse ModulationIn applications where it is necessary to maintain close control

85108L System ManualOperationPulsed-RF Applications3-29Figure 3-23 shows results using this pulse modulation and triggering method when the pulse modu

85108L System ManualOperationHigh Power Measurements3-30High Power MeasurementsUse Figure 3-24 to examine the maximum power ratings and normal signal

85108L System ManualOperationHigh Power Measurements3-31Figure 3-24 Test Set Maximum Signal LevelsConnecting External Signal ConditioningThe test s

vi

85108L System ManualOperationHigh Power Measurements3-32Measurement Example 1:Figure 3-25 shows the setup for measurement of an amplifier having about

85108L System ManualOperationHigh Power Measurements3-33Measurement Example 2: Figure 3-26 shows the setup for measurement of an amplifier with about

85108L System ManualOperationHigh Power Measurements3-34Using the Port 1 and Port 2 AttenuatorsUse the Port 1 and Port 2 step attenuators to adjust th

85108L System ManualOperationHigh Power Measurements3-35Changing the Signal Path After CalibrationIf any attenuator or other external equipment is cha

85108L System ManualOperationHigh Power Measurements3-36View the Normalized Parameters Use these traces to normalize the corrected data to the new lev

85108L System ManualOperationHigh Power Measurements3-37• Test set configuration changes error terms other than frequency response between calibration

85108L System ManualOperationHigh Power Measurements3-38

85108L System Manual4-14 Specifications and Performance Verification

85108L System ManualSpecifications and Performance VerificationOverview4-2OverviewAfter installation of the system is complete and the operator’s test

85108L System ManualSpecifications and Performance VerificationOverview4-3Figure 4-1 Specifications and Performance Verification Flow Diagram

Contents vii1. System and Documentation OverviewManual Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

85108L System ManualSpecifications and Performance VerificationOverview4-4Required EquipmentThe following items are required to verify the performance

85108L System ManualSpecifications and Performance VerificationPerformance Verification Procedure4-5Performance Verification ProcedureConnect the comp

85108L System ManualSpecifications and Performance VerificationPerformance Verification Procedure4-6The program’s title banner information and a [RESU

85108L System ManualSpecifications and Performance VerificationPerformance Verification Procedure4-7Here is a brief explanation of the main menu choic

85108L System ManualSpecifications and Performance VerificationPerformance Verification Procedure4-8NOTE The configuration disk files are not compatib

85108L System ManualSpecifications and Performance VerificationPerformance Verification Procedure4-9On the network analyzer, press:SYSTEM [MORE] [PULS

85108L System ManualSpecifications and Performance VerificationPerformance Verification Procedure4-1028.When you are ready to measure the verification

85108L System Manual5-15 Adjustments

85108L System ManualAdjustmentsOverview5-2OverviewThis section contains the procedures for adjusting the pulse detector boards (A3 and A4) in the 8510

85108L System ManualAdjustmentsOverview5-3A3/A4 Detector AdjustmentThe A3 and A4 pulse detector boards in the 85102 IF detector must be adjusted after

viii Contents4. Specifications and Performance VerificationOverview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

85108L System ManualAdjustmentsOverview5-4Figure 5-2 A2 IF MUX Board Connections1. For racked systems, remove the rack mounting screws from the fr

85108L System ManualAdjustmentsOverview5-57. On the 8510, press: PARAMETER MENU [USER 2 b2]RESPONSE REF VALUE [MARKER]RESPONSE SCALE [.] [0] [2] [X1]S

85108L System ManualAdjustmentsOverview5-6Figure 5-3 Misadjusted Pulse Detector Display TraceFigure 5-4 Adjusted Pulse Detector Display Trace

85108L System Manual6-16 System Service and Troubleshooting

85108L System ManualSystem Service and TroubleshootingOverview6-2OverviewThis section provides troubleshooting information for the racked, factory-con

85108L System ManualSystem Service and TroubleshootingTroubleshooting Strategy6-3Table 6-1 System Setup Check TableCheck: Should be: Additional infor

85108L System ManualSystem Service and TroubleshootingTroubleshooting Strategy6-48360 Series Source CheckSoftware, Revision, Language, and GPIB Addres

85108L System ManualSystem Service and TroubleshootingTroubleshooting Strategy6-5Front Panel Keys MethodSet the rear panel switches on the source as s

85108L System ManualSystem Service and TroubleshootingTroubleshooting Strategy6-63. Use error messages and internal diagnosticsThe network analyzer ha

85108L System ManualSystem Service and TroubleshootingTroubleshooting Strategy6-7* 85101C follows this power on sequence:a.RLTS8421 LEDs all ON, then

85108L System Manual1-11 System and Documentation Overview

85108L System ManualSystem Service and TroubleshootingTroubleshooting Strategy6-8Running Error Messages Specific to Pulsed-RF SystemsThe following run

85108L System ManualSystem Service and TroubleshootingTroubleshooting Strategy6-94. Use specific procedures for certain symptomatic failuresIf the sym

85108L System ManualSystem Service and TroubleshootingNetwork Analyzer Startup Problems6-10Network Analyzer Startup ProblemsIf the 85101C does not com

85108L System ManualSystem Service and TroubleshootingNetwork Analyzer Startup Problems6-11Pulsed-RF IF Signal Path DescriptionRefer to Figure 6-2, “8

85108L System ManualSystem Service and TroubleshootingNetwork Analyzer Startup Problems6-12Figure 6-2 85102 Pulsed-RF Signal Path

85108L System ManualSystem Service and Troubleshooting85108 IF/Detector Option 008 Pulsed-RF IF Path Troubleshooting Flowchart6-1385108 IF/Detector Op

85108L System ManualSystem Service and Troubleshooting85108 IF/Detector Option 008 Pulsed-RF IF Path Troubleshooting Flowchart6-14Procedure 1. Service

85108L System ManualSystem Service and Troubleshooting85108 IF/Detector Option 008 Pulsed-RF IF Path Troubleshooting Flowchart6-15Procedure 2: A2 Puls

85108L System ManualSystem Service and Troubleshooting85108 IF/Detector Option 008 Pulsed-RF IF Path Troubleshooting Flowchart6-16Procedure 3: A2 Puls

85108L System ManualSystem Service and Troubleshooting85108 IF/Detector Option 008 Pulsed-RF IF Path Troubleshooting Flowchart6-17Procedure 4: A3 / A4