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Agilent Technologies 41A, 54621D, 24A, 42A, 22A To power-on the oscilloscope, Press the power switch

Models: 42A 22A 41A 24A 54621A 54621D

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Getting Started

To power-on the oscilloscope

To power-on the oscilloscope

1Connect the power cord to the rear of the oscilloscope, then to a suitable ac voltage source.

The oscilloscope power supply automatically adjusts for input line voltages in the range 100 to 240 VAC. Therefore, you do not need to adjust the input line voltage setting. The line cord provided is matched to the country of origin.

Ensure that you have the correct line cord. See table 1-3

2 Press the power switch.

Some front panel key lights will come on and the oscilloscope will be operational in about 5 seconds.

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Agilent Technologies 41A, 54621D, 24A, 42A, 54621A, 22A manual To power-on the oscilloscope, Press the power switch

Contents

Agilent 54621D/22D/41D/42D Mixed-Signal Oscilloscopes Utilities Display shows current input signalsHorizontal Controls select sweep speed and delay parameters Softkeys extend the functionality of command keysThis Book Page Contents Trigger Types ContentsRun/Stop/Single/Infinite Persistence Operation Using Labels on the Mixed-Signal OscilloscopeCursor Measurements Saving and Recalling Traces and SetupsCapturing Data Math FunctionsUtilities Contents-6 Getting Started Getting Started Getting Started Setting up the Oscilloscope To inspect package contents To inspect package contents Package contents for 54620/40-Series Oscilloscopes To inspect options and accessories To inspect options and accessoriesModel Description To inspect options and accessories Accessories availablePlug Type Cable Part Number To inspect options and accessories Power CordsTo clean the oscilloscope To clean the oscilloscopeDisconnect power from the instrument To adjust the handle To adjust the handleTo power-on the oscilloscope To power-on the oscilloscopePress the power switch To adjust the waveform intensity To adjust the waveform intensityTo connect the oscilloscope analog probes To connect the oscilloscope analog probesPress Autoscale To compensate your analog probeTo compensate your analog probe To use the digital probes mixed-signal oscilloscope only To use the digital probes mixed-signal oscilloscope onlyConnect the clip to a node in the circuit you want to test Signal Lead Ground Lead Clip Signals Ground To connect a printer To connect a printerTo connect an RS-232 cable To verify basic oscilloscope operation To verify basic oscilloscope operationPress the Autoscale key on the front panel Getting started using the oscilloscope interface To verify basic oscilloscope operation Using Quick Help Getting Started Loading an updated language file from floppy disk Loading an updated language file from floppy diskPage Front-Panel Overview Front-Panel Overview Important Oscilloscope Considerations Using Single versus Run/StopUsing Auto trigger mode versus Normal trigger mode Viewing signal detail with acquire modeImportant Oscilloscope Considerations Using Vectors Display menu Post Acquisition Processing Delayed Sweep54620/40-series Oscilloscope Front Panels 54620/40-series Oscilloscope Front Panels54624A 4-Channel Oscilloscope Front Panel Entry knob Autoscale key Softkeys 54621D, 54622D D, and 54642D digital channels Front-Panel OperationInterpreting the display Interpreting the displayExample To use analog channels to view a signalTo use analog channels to view a signal To use digital channels to view a signal To use digital channels to view a signalUndo Autoscale To display signals automatically using AutoscaleTo display signals automatically using Autoscale How Autoscale WorksTo apply the default factory configuration To apply the default factory configurationMeasurement Hints To adjust analog channel vertical scaling and positionCenter the signal on the display using the position knob To adjust analog channel vertical scaling and positionExpand About Center To set the vertical expand reference for the analog signalTo set analog channel probe attenuation factor To display and rearrange the digital channels To display and rearrange the digital channelsTo operate the time base controls Press the Main/Delayed, then press the Vernier softkeyTo operate the time base controls To start and stop an acquisition First set trigger Mode/Coupling Mode softkey to NormalTo start and stop an acquisition To make a single acquisitionPress Main/Delayed To use delayed sweepPress the Delayed softkey To use delayed sweepTo make cursor measurements To make cursor measurementsTo make automatic measurements To make automatic measurementsChoose what measurement you want on that source by pressing To modify the display grid To modify the display gridTo print the display Triggering the Oscilloscope Triggering the Oscilloscope Trigger Out connectorSelecting Trigger Modes and Conditions To select the Mode and Coupling menuAuto Level and Auto modes To select a trigger mode Normal, Auto, Auto LevelTo select a trigger mode Normal, Auto, Auto Level Normal mode To select trigger Coupling To select trigger CouplingTo select Noise Reject and HF Reject To set holdoff To set holdoffTo set holdoff Holdoff Operating Hints External Trigger Input External Trigger Probe SettingsExternal Trigger Input Previous menu MegaZoom Technology Simplifies Triggering Trigger TypesTo use Edge triggering To use Edge triggeringSelect 1, 2, Ext, or Line as the trigger source To use Edge triggering To use Pulse Width triggering To use Pulse Width triggeringPress the qualifier softkey to select the time qualifier Qualifier time set softkey Qualifiers can be set as followsTo use Pattern triggering To use Pattern triggeringSpecifying an Edge in a Pattern To use can triggering To use can triggeringPress the Trigger softkey to select the trigger condition Press the Baud softkey to set the can signal baud rateTo use Duration triggering To use Duration triggeringTo use Duration triggering When the duration trigger occurs To use I2C triggering To use I2C triggeringAck Data Stop Start Address R/W Condition Frame Start Addr7 Read Ack Data or Condition 26th clock edge To use I2C triggering To use Sequence triggering To use Sequence triggeringSequence Selected Edge Pattern 1 and Edge Press the Stage softkey and select FindPress the Find softkey and select the Find stage condition Edge Pattern 2 and Edge Nth Edge Press the Stage softkey and select Trigger onEdge 1 or Pattern 1 and Edge Timeout Press the Stage softkey and select Reset onTo use Sequence triggering To use SPI triggering To use SPI triggeringResetting all bits in the serial data string to one value Assign source channels to the clock, data, and frame signals To use SPI triggering To use SPI triggering To use TV triggering To use TV triggeringTo use TV triggering Provide Correct Matching Press the Mode softkey to select the TV triggering modeTV standard Field Alt Field Alternate Triggering To trigger on a specific line of videoLine Number Represents Count Line Numbers per Field for Each TV StandardTo trigger on all TV line sync pulses To trigger on a specific field of the video signal To trigger on all fields of the video signal To trigger on odd or even fields Holdoff Settings To use USB triggering To use USB triggeringTo use USB triggering Trigger Out connector MegaZoom Concepts and Oscilloscope Operation MegaZoom Concepts and Oscilloscope Operation MegaZoom Concepts Memory depth values Deep MemoryDeep Memory MegaZoom Technology Oscilloscope ResponsivenessOscilloscope Responsiveness Display Update Rate Display Update RateTurning channels off To setup the Analog channelsTo setup the Analog channels To setup the Analog channels Press the Invert softkey to inverted the selected channel Press the Imped impedance softkeyPress the BW Limit softkey to turn on bandwidth limiting Press the Probe softkey to display the channel probe menu Main mode To setup the Horizontal time basePress the Main softkey to select Main horizontal mode To setup the Horizontal time basePress the Vernier softkey to turn on the time base vernier To setup the Horizontal time base Delayed mode To setup the Horizontal time base XY mode Roll modeAcquisition Modes Acquisition ModesPress the Acquire key to display the Acquire menu Peak Detect All points displayed after Single or StopSmoothing # Avgs=1 or High-resolution mode Average ModeRealtime Mode Clear display Display modesPress the Display key to view the Display menu Infinite PersistenceVectors On/Off Zoom Pan and ZoomPan and Zoom To pan and zoom a waveform To pan and zoom a waveformRun/Stop/Single/Infinite Persistence Operation Single versus Run/Stop Acquiring DataAcquiring Data Single Memory Depth/Record LengthMemory Depth/Record Length Run/Stop versus SingleTo run and stop an acquisition To run and stop an acquisitionTo take a single trace Press the Single keyOperating Hints Connect a signal to the oscilloscope Set up the triggerTo capture a single event To capture a single eventClearing stored infinite persistence waveforms To use infinite persistenceTo use infinite persistence To clear the waveform display To clear the waveform displayPress the Display key, then press the Clear Display softkey To display digital channels using Autoscale Configuring the Mixed-Signal OscilloscopeInterpreting the digital waveform display Activity indicatorInterpreting the digital waveform display List of stacked channels To turn individual channels on and off To turn individual channels on and offDisplayed To force all channels on or all channels offTo change the display size of the digital channels Press the Turn on or Turn off softkeyTo change the logic threshold for digital channels To change the logic threshold for digital channelsInput Impedance Using Digital Channels to Probe CircuitsUsing Digital Channels to Probe Circuits High-Frequency Probe Equivalent Circuit Probe Grounding Best Probing Practices Using Labels on the Mixed-Signal Oscilloscope To turn the label display on or off To turn the label display on or offTo assign a predefined label to a channel To assign a predefined label to a channelPress the Label key To define a new label Label Assignment Auto-Increment FeaturesTo define a new label To define a new label Label List Management Defaulting labels without erasing the default library To reset the label library to the factory defaultPress the Default Library softkey To reset the label library to the factory defaultMaking a hardcopy print Saving and Recalling Traces and SetupsPress the Save/Recall key to display the Save/Recall menu To Autosave traces and setups To Autosave traces and setupsMegaZoom Concepts and Oscilloscope Operation To create a new file name, press the New File softkey To save traces and setups to a new file on the floppy diskTo save traces and setups to a new file on the floppy disk Recalling overwrites current settings To recall traces and setupsTo recall traces and setups Saving printing screen images to floppy disk Saving printing screen images to floppy diskPress the CSV, TIF, or BMP softkey Recalling the factory default setup Recalling the factory default setupMaking Measurements Concepts about the 54620/40-series Oscilloscopes Making MeasurementsCapturing Data Main and Delayed SweepMaking Measurements To use delayed sweep To reduce the random noise on a signal To reduce the random noise on a signalLF Reject Press the Acquire key, then press the Averaging softkey Use averaging to reduce noise on the displayed waveformSmoothing # Avgs=1 or High-resolution mode Making Measurements Characterize the glitch with delayed sweep To use the Roll horizontal mode To use the Roll horizontal modePress the Main/Delayed key, then press the Roll softkey To use the XY horizontal mode To use the XY horizontal modeSignal centered on the display Calculate the phase difference using the formula below Signals are 90 out of phase Signals are in phase Math Operating Hints Math FunctionsMath Scale and Offset are Set Automatically Math Scale and OffsetMath Scale and Offset Multiply MultiplySubtract SubtractDifferentiate DifferentiateFigure below shows an example of differentiate Integrate IntegrateIntegrate and Signal Offset FFT Measurement FFT MeasurementAliasing FFT Operation Scale and offset considerations FFT Measurement Hints FFT Measurement FFT Measurement Hints Cursor Measurements To make cursor measurements Select the X and Y softkeys to make a measurement Cursor Examples Cursors measure frequency of pulse ringing Measuring pulse width with cursors Preshoot Overshoot Phase DelayAutomatic Measurements Average Amplitude Base Maximum Minimum Peak-to-Peak RMS TopMaking automatic measurements Making automatic measurementsDigital channel time measurements Making time measurements automaticallyMaking time measurements automatically FFT measurementsPeriod CounterDuty Cycle FrequencyWidth Making time measurements automatically Fall TimeRise Time + WidthIsolating an event for frequency measurement Making time measurements automatically At MinDigital channel measurements Making Delay and Phase MeasurementsMaking Delay and Phase Measurements DelayPhase Measurement Math Measurements and Units Making voltage measurements automaticallyMaking voltage measurements automatically Measurement definitions Top Using delayed sweep to isolate a pulse for Top measurementPreshoot Making overshoot and preshoot measurementsMaking overshoot and preshoot measurements Making overshoot and preshoot measurements Overshoot Page Utilities Utilities To configure Quick Help languages To configure Quick Help languagesLanguage Info softkey Loading an updated language file from floppy diskTo update your instrument to the latest application software Press the Format softkey to select the print format To configure a printerTo configure a printer Form feed CSV lengthScale factors Gray scale printingTo use the floppy disk Deleted files cannot be recoveredTo use the floppy disk Press the Baud softkey to set the RS-232 baud rate To set up the I/O port to use a controllerTo set up the I/O port to use a controller Press the XON DTR softkey to set the RS-232 handshakeRS-232 Connections Pin Number SignalTo set the clock To set the clockPress the Saver softkey to select the screen saver type To set up the screen saverTo set up the screen saver To set up the screen saver User Cal To perform service functionsTo perform service functions Press Start User Cal to start the routineAbout Oscilloscope User Cal StatusSelf test Expand softkey Default Library softkey mixed-signal oscilloscopes onlyTo set other options To set other optionsPerformance Characteristics Performance Characteristics Acquisition Digital Channels on 54621D and 54622D only Agilent 54620-series Performance CharacteristicsAcquisition Analog Channels Vertical System Analog Channels Agilent 54620-series Performance CharacteristicsAccuracy = ±2.0%80 mV + 0.4%80 mV = ±1.92 mV Vertical System Digital Channels 54621D and 54622D onlySample rate of 200/400 MSa/s HorizontalCan Trigger SystemExternal EXT Triggering Analog Channel TriggeringDigital D15 D0 Channel Triggering 54621D and 5462 2D Display System Measurement FeaturesStorage FFTInstallation categories General CharacteristicsPower Requirements Agilent 54620-series Performance Characteristics Acquisition Digital Channels on 54641D and 54642D only Agilent 54640-series Performance CharacteristicsAgilent 54640-series Performance Characteristics Vertical System Digital Channels 54641D and 54642D only Range Ns/div to 50 s/div Resolution Vernier Minimum pulse width setting 2 ns Digital D15 D0 Channel Triggering 54641D and 54642D Display System Window Rectangular, Flattop, Hanning Noise Floor General Characteristics Page Numerics IndexMissing acknowledge condition, I2C trigger IndexIndex-3 Index-4 Declaration of Conformity EMC Product RegulationsDeclaration of Conformity Product Regulations Safety Agilent Technologies, Inc Document Warranty