Agilent Technologies 54502A Service Manual

Errata Title & Document Type: Manual Part Number: Revision Date: HP References in this Manual This manual may contain references to HP or He

Table 1-1. HP 16532A SpecificationsHP 16532A SPECIFICATIONSType: 2-channel simultaneous acquisitionBandwidth(*,1): dc to 250 MHz (real time, dc-cou

Table 1-2. HP 16532A Operating CharacteristicsHP 16532A OPERATING CHARACTERISTICSVERTICAL (at BNC)Vertical Sensitivity Range (1:1 Probe):4 mV/div to

Table 1-2. HP 16532A Operating Characteristics (cont.)TRIGGERINGTrigger Level Range: Within display window (full scale and offset)Trigger Modes: Im

Table 1-2. HP 16532A Operating Characteristics (cont.)WAVEFORM DISPLAYDisplayed Waveforms: Eight waveform windows maximum, with scrolling across 96

Table 1-2. HP 16532A Operating Characteristics (cont.)MEASUREMENT AIDSTime Markers:Two vertical markers, X and O, are provided for measurements of ti

Table 1-2. HP 16532A Operating Characteristics (cont.)SETUP AIDSAutoscale:Autoscales the vertical and horizontal ranges, offset, and trigger level to

Table 1-3. Recommended Test EquipmentEQUIPMENT CRITICAL SPECIFICATIONS RECOMMENDED MODEL USE*Signal Generator Frequency: 1 - 250 MHz at approx .170 m

TABLE OF CONTENTSInstallation2-1. Introduction ...

SECTION IIInstallation2-1. IntroductionThis section explains how to initially inspect theHP 16532A Oscilloscope Module, then how toprepare it for us

Module Installation (cont.)The effects of ELECTROSTATIC DISCHARGE can damage electronic compo-nents. Use grounded wrist straps and mats when you are

SERVICE MANUALHP 16532A1 GSa/s DigitizingOscilloscope COPYRIGHT HEWLETT-PACKARD COMPANY,COLORADO SPRINGS DIVISION 1991-19931900 GARDEN OF THE GODS

4. Slide the oscilloscope module into the card cage approximately halfway.5. If you have more oscilloscope cards to install, slide them into the car

2-7. Operating EnvironmentThe operating environment is listed in table 1-2 ofSection I of this manual. Note should be made ofthe non-condensing humi

TABLE OF CONTENTSPerformance Tests 3-1. Introduction ...

SECTION IIIPerformance Tests3-1. IntroductionThe procedures in this section test theoscilloscope module’s electrical performanceusing the specificat

3-6. DC CAL OUTPUT TestThe DC CAL OUTPUT port on the rear panel is used for instrument calibration and probe calibration.Though calibrator accuracy i

3-7. AC CAL OUTPUT TestThe AC CAL OUTPUT port on the rear panel is used for instrument calibration and probe compensation.Though calibrator accuracy

3-8. INPUT RESISTANCEThis test verifies the input resistance of the oscilloscope module. A four-wire measurement is used for ac-curacy at 50 Ω.Speci

4. Select RUN - SINGLE. The clicking of attenuator relays should be audible. Verify resistance read-ings on the digital multimeter of 50 Ω ± 0.5 Ω

3-9. VOLTAGE MEASUREMENT ACCURACYThis test verifies the DC voltage measurement accuracy of the instrument. This procedure uses a dual cur-sor measur

Procedure:1. Using a BNC adapter, connect one end of the cable to the power supply. Connect the BNC tee,the blocking capacitor, and the shorting en

GENERAL - This is a Safety Class I instrument (provided withterminal for protective earthing).OPERATION - BEFORE APPLYING POWER verify that thepower t

Use the following table for steps 3 through 9.V/Div Offset Supply Upper Limit Lower Limit4 V/Div1 V/Div400 mV/Div40 mV/Div40 mV/Div400 mV/Div1 V/Div4

3-10. OFFSET ACCURACYThis test verifies the offset accuracy.Specification:± (1.0% of channel offset + 2.0% of full scale)Equipment Required:The fol

3. Select RUN - REPETITIVE. Wait approximately 15 seconds (averaging complete), then selectSTOP. The display should read 0.00 V ± 320.0 mV as read

3-11. BANDWIDTHThis test checks the bandwidth of the oscilloscope module.Specification:Bandwidth (dc coupled) dc to 250 MHzEquipment Required:The fol

4. Set the signal generator for 1MHz at − 2.4 dBm. On the oscilloscope, select RUN - REPETITIVE. Thesignal on the screen should be two cycles at thre

3-12. TIME MEASUREMENT ACCURACYThis test uses a precise frequency source to check the accuracy of time measurement functions.Specification:± [(0.005%

4. Select the Markers Auto menu, and set the following parameters:Menu Selection SettingMarkersAutoX→O→StatisticsSet on chan 1at Level 50%Slope Posit

3-13. TRIGGER SENSITIVITYThis test checks channel triggers for sensitivity at rated bandwidth.Specification:dc to 50 MHz : 0.063 x full scale (0.25 d

3. Set the signal generator for a 50 MHz and 35 mV rms signal. On the oscilloscope module selectRUN - REPETITIVE.4. In the Auto-Measure menu read V

Table 3-1. Performance Test RecordHewlett-PackardModel 16532AOscilloscope ModuleSerial No.:_______

CONTENTSSECTION IGeneral Information1-1. Introduction ...

Table 3-1. Performance Test Record (Continued)Paragraph No. Test Results3-9 Voltage Measurement Accuracy(continued)Upper Limit Lower Limit -13.7V

Table 3-1. Performance Test Record (Continued)Paragraph No. Test Results3-12 Time Measurement Accuracy5.500ns ± 150ps99.00ns ± 155psMEAN X-O _______

TABLE OF CONTENTSCalibration4-1. Introduction...

SECTION IVCalibration4-1. IntroductionThis section provides information on calibratingthe HP 16532A 1 GSa/s Oscilloscope module.Information is inclu

To run the scope calibration, the switch must be inthe UNPROTECT position. When you have morethan one HP 16532A board in a mainframe, thismust be don

4-9. Setting the PROTECT/UNPROTECT Switch to UNPROTECTThe effects of ELECTROSTATIC DISCHARGE can damage electronic compo-nents. Use grounded wrist s

4-10. Equipment Required for CalibrationThe equipment listed below is required for calibration:Cable (2) 50Ω BNC, 9-inch (equal length) HP 10502A Ca

4-12. Self Cal Menu CalibrationsNoteAfter you touch the Start field, you can abort the calibration procedure either bytouching the Cancel field, if i

3. Touch the Channel field, then select S1 from the pop-up menu (where S is the slot letter where theoscilloscope module is installed in the mainfram

Calibrate the Ext Trig Null of the Self Cal menu as follows:1. Connect the cables, BNC adapter, and BNC tee adapter together as shown in figure 4-4.N

SECTION IVCalibration 4-1. Introduction...

4-13. Setting the PROTECT/UNPROTECT Switch to PROTECTThe effects of ELECTROSTATIC DISCHARGE can damage electronic compo-nents. Use grounded wrist st

TABLE OF CONTENTSReplaceable Parts 5-1. Introduction ...

SECTION VReplaceable Parts5-1. IntroductionThe service policy for this instrument is replace-ment of defective assemblies. This service manualconta

Exchange assemblies are listed in a separatesection in the replaceable parts table. They have apart number in the form XXXXX-695XX (where thenew part

REFERENCE DESIGNATORABBTCCRDLDSE=assembly= fan;motor= battery= capacitor= diode;diode thyristor; varactor= delay line= annunciator;lamp;LED= misc.

Figure 5-1. Parts IdentificationHP 16532A - Replaceable Parts5-4

Table 5-2. Replaceable Parts List16532-69501 2 1 Board Exchange Assembly (does not include attenuator assemblies)A1 16532-66501 6 1 Board Assemb

TABLE OF CONTENTSService 6-1. Introduction ...

SECTION VIService6-1. IntroductionThe service policy for this instrument is replace-ment of defective assemblies. This service manualcontains infor

phase detector provide the sample clock for highersample rates. After conditioning and sampling, thesignals are digitized, then stored in a hybrid IC

LIST OF TABLESTABLE TITLE PAGE1-1. HP 16532A Specifications...

Triggering. There are two main trigger circuitsthat trigger four trigger sources. The two triggercircuits are the analog trigger and the logic trigg

6-7. Self-TestsThe self-tests for the HP 16532A oscilloscope module will identify the improper operation of major func-tional areas in the module. T

3. Install the Composite PV Test software disk in the inactive disk drive.4. Touch the box labeled Touch box to Load Test System. See figure 6-3.No

Figure 6-5 shows the selection menu for choosing to perform functional tests. The status of the functionaltests is given.6. Touch the Functional T

7. Touch the A/D Test field.The individual test run screens, see figure 6-7, give the test name, a brief description of the test, number oftest runs,

10. Touch Done to exit the A/D test.11. To exit the self tests, touch the following fields in the lettered sequence below: a. 1GSa/s Scope b. Test

Self-Test DescriptionsThe following self-tests check the major components of the HP 16532A oscilloscope module as well as allassociated circuitry. Wh

6-8. TroubleshootingThe troubleshooting flow chart given in figure 6-10 will isolate module failures to card level only. It is notintended for compo

Verifying the System ClockThis procedure is provided as a troubleshooting aid to verify that the 100 MHz System Clock oscillator isfunctioning properl

5. On the HP 54502A Oscilloscope, set the following parameters, in the order given.Menu Selection SettingChannelTimebaseTriggerProbeV/DivOffsetCoupli

TABLE OF CONTENTSGeneral Information1-1. Introduction...

Troubleshooting Sheet 1Figure 6-10. Troubleshooting FlowchartHP16532ATROUBLESHOOTINGSHEET1HP 16532A - Service6-13

Troubleshooting Sheet 2Figure 6-10. Troubleshooting FlowchartHP16532ATROUBLESHOOTINGSHEET2HP 16532A - Service6-14

Troubleshooting Sheet 3Figure 6-10. Troubleshooting FlowchartHP16532ATROUBLESHOOT INGSHEET3HP 16532A - Service6-15

Troubleshooting Sheet 4Figure 6-10. Troubleshooting FlowchartHP16532ATROUBLESHOOTINGSHEET4HP 16532A - Service6-16

Troubleshooting Sheet 5Figure 6-10. Troubleshooting FlowchartHP16532ATROUBLESHOOTINGSHEET5HP 16532A - Service6-17

6-9. Oscilloscope Module Removal and ReplacementThe effects of ELECTROSTATIC DISCHARGE can damage electronic compo-nents. Use grounded wrist straps

5. If a trigger cable was determined to be faulty, replace the faulty trigger cable on the oscilloscopemodule (refer to paragraph 6-10). Otherwise,

6-10. Trigger Cable Removal and ReplacementThe effects of ELECTROSTATIC DISCHARGE can damage electronic compo-nents. Use grounded wriststraps and mat

3. Pull the straight SMB connector on the cable through the hole in the rear panel.4. Pull the right-angle SMB connector on the cable away from its

Attenuator Replacement Procedure:a. Gently push the attenuator assembly (A2) straight down on the board assembly (A1) being carefulnot to damage the

SECTION IGeneral Information1-1. IntroductionThe service policy for this instrument is replace-ment of defective assemblies. This service guidelcon

1-4. Product DescriptionThe HP 16532A Oscilloscope Module is a 1 GSa/sdigitizing oscilloscope. Some of the main featuresare:• 1 GSa/s digitizing for