Agilent Technologies 54621A, 54624A List of Test Equipment, Equipment Critical Specifications

Page 44

Testing Performance

List of Test Equipment

List of Test Equipment

Below is a list of test and equipment and accessories required to perform the performance test verification procedures.

Equipment	Critical Specifications	Recommended Model/
		Part Number
Test connector, 8-by-2	Not required if 01660-63801 Test Fixture is available	n/a
	See “To construct the test connector”
	later in this chapter
Test fixture	For testing digital channel threshold accuracy	Agilent 01660-63801
Digital Multimeter	0.1 mV resolution, 0.005% accuracy	Agilent 34401A
Power Splitter	Outputs differ by 0.15 dB	Agilent 11667B
Power Supply	DC offset voltage of -5.5 V to 35.5 V, 0.1 mV resolution	Agilent 3245A
Oscilloscope Calibrator	25 MHz—100 MHz sine wave, 5 ppm	Fluke 5820A
BNC banana cable		Agilent 11001-60001
BNC cable (qty 3)		Agilent 10503A
Probe cable		Agilent 01650-61607
Shorting Cap BNC		Agilent 1250-0774
Adapter	BNC(f) to banana(m)	Agilent 1251-2277
Feedthrough	50Ω, BNC (m) and (f)	Agilent 11048C
Adapter	BNC Tee (m) (f) (f)	Agilent 1250-0781
Blocking capacitor		Agilent 10240-60001
Adapter (qty 3)	N(m) to BNC(f)	Agilent 1250-0780

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Contents Agilent 54621D/22D Mixed-Signal Oscilloscope Display shows current input signals Horizontal Controls select sweep speed and delay parametersSoftkeys extend the functionality of command keys UtilitiesThis Book Contents Contents Solving General Problems with the OscilloscopesTroubleshooting the Oscilloscope General Information General Information To inspect package contents General Information Package contents for 54620-Series Oscilloscopes To inspect options and accessories Option DescriptionAccessories available Model DescriptionPower Cords Plug Type Cable Part NumberAcquisition Digital Channels on 54621D and 54622D only Performance CharacteristicsAcquisition Analog Channels Vertical System Analog Channels Probe ID Agilent/HP Auto probe sense Tek CompatibleVertical System Digital Channels 54621D and 54622D only Accuracy = ±2.0%80 mV + 0.4%80 mV = ±1.92 mVHorizontal Sample rate of 200/400 MSa/sTrigger System CanExternal EXT Triggering Analog Channel TriggeringDigital D15 D0 Channel Triggering 54621D and 5462 2D Measurement Features Display SystemFFT StorageGeneral Characteristics Power RequirementsPreparing the Oscilloscope for Use Preparing the Oscilloscope for Use Setting up the Oscilloscope To adjust the handle To adjust the handleTo power-on the oscilloscope To power-on the oscilloscopePress the power switch Intensity control To adjust the display intensityTo adjust the display intensity To connect the oscilloscope probes To compensate your probeTo connect the oscilloscope probes Press AutoscaleTo use the digital probes mixed-signal oscilloscope only To use the digital probes mixed-signal oscilloscope onlyGrabber Signal Lead Ground Lead Grabber Signals Ground To connect a printer To connect a printerTo connect an RS-232 cable To verify basic oscilloscope operation Press the Autoscale key on the front panelTo verify basic oscilloscope operation Verifying Basic Oscilloscope OperationGetting started using the oscilloscope interface To verify basic oscilloscope operation Using Quick Help Preparing the Oscilloscope for Use Loading a language from floppy disk Loading a language from floppy disk Cleaning the oscilloscope Disconnect power from the instrumentTesting Performance Testing Performance If a performance test failsEquipment Critical Specifications List of Test EquipmentList of Test Equipment Part NumberTo construct the test connector To construct the test connectorMaterials Required to Construct the Test Connectors Constructing the 8-by-2 ConnectorTo test the 54621D/22D Oscilloscope digital channels To test the 54621D/22D Oscilloscope digital channelsPress the Autoscale key To verify digital channel threshold accuracy To verify digital channel threshold accuracyMethod 1 Using the Test Connector Method 2 Using the Test Fixture Threshold Accuracy Voltage Test Settings Threshold voltage setting DC offset voltage setting LimitsSet up the oscilloscope Equipment Critical Specifications Recommended Model/PartTo verify voltage measurement accuracy To verify voltage measurement accuracySettings Used to Verify Voltage Measurement Accuracy MV/Div 616 mV 384 mVUsing a Blocking Capacitor to Reduce Noise Use a Blocking Capacitor to Reduce NoiseEquipment Required to Verify Bandwidth To verify bandwidthTo verify bandwidth Calculate the response using this formula Signal Generator Frequency SettingChange the time base to 5 ns/div Selected Channel 54621A/21D 54622A/22D 54624ATo verify horizontal ∆t and 1/∆t accuracy To verify horizontal Dt and 1/Dt accuracy54621A and 54621D only Measure the following54622A/22D/24A only Equipment Required to Verify Trigger Sensitivity To verify trigger sensitivityTo verify trigger sensitivity Test Internal Trigger Sensitivity Test External Trigger Sensitivity Agilent 54622A/22D/24A Performance Test Record Agilent 54621A/21D Performance Test Record Agilent 54621A/54621DCalibrating and Adjusting Calibrating and Adjusting Hazardous Voltages To adjust the power supply Prepare the oscilloscope for the voltage adjustmentTo adjust the power supply Digital multimeterPower Supply Voltage Tolerances Supply Voltage Tolerance+3.3V Adjustment To perform User Cal To perform User CalTo adjust the oscilloscope display To adjust the oscilloscope displayWhen to Adjust the Oscilloscope Display Do not adjust Sub Bri or Cont controls96,= Troubleshooting Troubleshooting Read All Cautions and WarningsSolving General Problems with the Oscilloscopes If there is no trace displayIf the trace display is unusual or unexpected If the trace display is unusual or unexpectedIf you cannot see a channel If you cannot see a channelTroubleshooting the Oscilloscope Equipment Required to Troubleshoot the OscilloscopeConnector Load Amps Resistor Watts Location of the Low Voltage Power Supply ConnectorsTo construct your own dummy load To construct your own dummy loadTo check out the oscilloscope Connect the power cord, then turn on the oscilloscopeTo check out the oscilloscope Signal Name Frequency Pulse Width Voltage Display Signals on the System Board All OscilloscopesLow Voltage Power Supply Tolerances Location of the Fan Connector Is the fan running?Low Voltage Power Supply Test Points To check the Low Voltage Power SupplyTo check the Low Voltage Power Supply If the Fuse is Blown Beware of Hazardous VoltagesTo run the internal self-tests To run the internal self-testsReplacing Assemblies Replacing Assemblies Avoid Electrical Shock Removing the cabinet To remove the cabinetTo remove the cabinet Removing the fan To remove the fanTo remove the fan Removing the floppy drive To remove the floppy driveTo remove the floppy drive Removing the intensity shaft and front panel To remove the front panelTo remove the front panel Removing the display To remove the displayTo remove the display Unhooking the power switch shaft Preparing to remove the system board To remove the system boardTo remove the system board Removing the system board Disconnecting ground wire and ribbon cable To remove the power supplyTo remove the power supply Unhooking the power switch shaft Removing the power supply To remove the keyboard assembly Lift the keyboard assembly straight outTo remove the keyboard assembly Removing the keyboard assemblyTo remove the handle To remove the handleReplaceable Parts Replaceable Parts To order a replacement part To order a replacement partExploded View of the 54621A/22A/24A/21D/22D Oscilloscope To order a replacement part Replaceable Parts Reference Agilent Part Qty Description Designator NumberMP1 Input Cable 54621D/22D only Option Accessory pouch and front-panel coverProbes Manufacturer’s Name Manufacturer’s AddressProduct Name Model NumbersSafety Product RegulationsSound Pressure Level Regulatory Information for CanadaSafety Document Warranty Agilent Technologies, Inc

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