HP 1GSa/s Digitizing Oscilloscope 16532A manual Time Measurement Accuracy

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HP 16532A - Performance Tests

3-12. TIME MEASUREMENT ACCURACY

This test uses a precise frequency source to check the accuracy of time measurement functions.

Specification:

±[(0.005% x Δt) + (2 x 10− 6 x delay setting) + 150 ps]

Equipment Required:

The following equipment is required for this test. Procedures are based on the model or part number rec- ommended.

		Recommended
Equipment Required	Critical Specification	Model/Part Number

Signal Generator	200 MHz, timebase accuracy 0.25 ppm	HP 8656B Opt. 001
Cable	50 Ω BNC (m to m) 48-inch	HP 10503A
Adapter	50 Ω Type N (m) to BNC (f)	HP 1250-0780

Procedure:

1.Set the signal generator to 181.81818 MHz (5.5 ns period) and approximately 600 mV rms.

2.Use the N-to-BNC adapter to connect the cable to the signal generator. Connect the free end of the BNC cable to the channel 1 input.

3.In the Waveform Selection menu delete channel 2. If channel 1 is not inserted, insert channel 1. Set the following parameters in the order given:

	Menu		Selection		Setting

Channel		Input		1
		Probe		1:1
		v/Div		400 mV
		Offset		0.0 V
		Coupling		50	Ω / DC
		s/Div		2.00 ns
Trigger		Mode		Edge
		Source		Chan 1
		Level		0.0 V
		Slope		Positive
Display		Mode		Normal
		Grid		On

3-13

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Contents HP 16532A Safety Symbols Safety ConsiderationsContents Service CalibrationSection Replaceable Parts List of Tables Page Table of Contents Page Safety Requirements IntroductionModule Covered by This Manual Operating Characteristics Accessories SuppliedAccessories Available SpecificationsVertical dc Gain Accuracy4 ± 1.5% of full scale HP 16532A SpecificationsRise Time2 1.4 ns Waveform Record Length 8000 pointsHP 16532A Operating Characteristics Vertical at BNCTimebase Trigger Modes TriggeringDigitizer Trigger Level RangeDisplay Modes Waveform DisplayMeasurement Aids Operating Environment Setup AidsEquipment Critical Specifications Recommended Model USE Page Table of Contents Page Preparation for Use Power RequirementsInitial Inspection Safety Requirements Module InstallationProcedure Installation ConsiderationsEndplate Overlap Bottom Sequence Packaging Tagging for ServiceOperating Environment StorageTable of Contents Page Performance Test Procedures Test RecordPerformance Test Interval DC CAL Output Test AC CAL Output Test Specification Equipment Required Critical Specification Model/Part NumberInput Resistance Page Voltage Measurement Accuracy Voltage Measurement Accuracy Test Div Offset Supply Upper Limit Lower Limit Offset Accuracy Procedure Zero-Input OffsetDiv Offset Supply Min Max DC Input OffsetBandwidth V1MHz Time Measurement Accuracy Menu Selection Setting Trigger Sensitivity RUN Repetitive Performance Test Record Paragraph No Test Results Yes No Page Table of Contents Page Calibration Protection Switch Calibration IntervalMaintaining System Integrity Calibration Instrument WarmupLocation of the PROTECT/UNPROTECT Switch Setting the PROTECT/UNPROTECT Switch to UnprotectEquipment Required for Calibration Loading the Default Calibration FactorsCalibrate Delay of the Self Cal menu as follows Self Cal Menu CalibrationsCalibrate Vert Cal of the Self Cal menu as follows Calibrate the Logic Trigger of the Self Cal menu as follows Calibrate the Time Null of the Self Cal menu as followsExt Trig Null Calibration Connections Calibrate the Ext Trig Null of the Self Cal menu as followsSealing the Mainframe Setting the PROTECT/UNPROTECT Switch to ProtectTable of Contents Page Exchange Assemblies Replaceable Parts ListAbbreviations Ordering InformationDirect Mail Order System Reference Designator and Abbreviations Parts Identification Mfr Code Mfr Part Number Reference DesignatorHP Part Qty Number DescriptionPage Table of Contents Page Attenuator Theory of Operation Introduction Safety RequirementsModule Block Diagram and The- ory of Operation Main Assembly Theory of OperationHP 16532A Oscilloscope Block Diagram Page Self-Tests Self-Test Access ProcedureLoad Test System Screen Touch the Functional Tests field Functional Tests ScreenA/D Test Run Screen Exit Test System Screen Test Self-Test DescriptionsData Memory Test Timebase TestTroubleshooting Aids TroubleshootingVerifying the System Clock Page Troubleshooting E E T Troubleshooting Sheet1 6 5 3 2 a Troubleshooting E E T Troubleshooting E E T Troubleshooting E E T Troubleshooting E E T Oscilloscope Module Removal Procedure Oscilloscope Module Removal and Replacement12. Endplate Overlap Bottom Sequence Oscilloscope Module Replacement ProcedureTrigger Cable Removal Procedure Trigger Cable Removal and ReplacementAttenuator Removal and Replacement Trigger Cable Replacement ProcedureAttenuator Removal Procedure Attenuator Replacement Procedure Warranty CertificationAssistance