Agilent Technologies 6000 Series manual Series Oscilloscope User’s Guide 229

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Making Measurements

5

resolve two closely space frequencies. A good way to test the ability of the FFT to resolve two closely spaced frequencies is to examine the sidebands of an amplitude modulated sine wave.

For the best vertical accuracy on peak measurements:

•Make sure the probe attenuation is set correctly. The probe attenuation is set from the Channel menu if the operand is a channel.

•Set the source sensitivity so that the input signal is near full screen, but not clipped.

•Use the Flat Top window.

•Set the FFT sensitivity to a sensitive range, such as 2 dB/division.

For best frequency accuracy on peaks:

•Use the Hanning window.

•Use Cursors to place an X cursor on the frequency of interest.

•Adjust frequency span for better cursor placement.

•Return to the Cursors menu to fine tune the X cursor.

For more information on the use of FFTs please refer to Agilent Application Note 243, ”The Fundamentals of Signal Analysis” at http://cp.literature.agilent.com/litweb/pdf/5952-8898E.pdf.

Additional information can be obtained from Chapter 4 of the book “Spectrum and Network Measurements” by Robert A. Witte.

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Contents Agilent InfiniiVision Series Oscilloscopes Agilent Technologies, Inc Newer version of this manual may be available atThis User’s Guide… Series Oscilloscope User’s Guide 100 MHz 300 MHz 500 MHz GHz Secure Environment Mode OptionGSa/s Oscilloscope History ActionMemory Depth Option Numbers Upgrade OptionsMaximum Memory Depth Mpts Licensed Option OrderOrder-Only Options Built-in Quick Help Using this book with the 6000L Series oscilloscopesDigital Channels Abbreviated instructions for pressing a series of keysContents Maximum input voltage for analog inputs To set up the screen saver Using the analog channelsTo perform service functions To restore the oscilloscope to its default configurationTo switch groups of channels on or off To switch all digital channels on or offTo switch a single channel on or off Interpreting the digital waveform displayDefine the optional Reset on stage Setting Up the Oscilloscope and the VPT1000Adjust the trigger level Hex Bus Pattern TriggeringSource frequency/8 To use TV triggeringFFT Measurement FFT OperationVarying the intensity to view signal detail Using the XGA video outputSelecting the Acquisition mode Peak Detect ModeTo decode LIN data To decode I 2 C dataTo decode UART/RS232 data UART/RS232 TotalizerChoosing save settings Waveform Trace and Oscilloscope SetupTo save a waveform and/or setup to a USB device To recall waveform trace and/or oscilloscope setupIndex Remote interface Using Quick HelpTo calibrate the probes Getting Started Getting Started To inspect package contents Oscilloscope probes 6000A Series OscilloscopeMSO models only 6000A Series Option BAT Oscilloscope 6000L Series Oscilloscope Package contents for 6000L Series oscilloscopesModel Description Accessories availableActive Probes Supported on To adjust the 6000A Series handle To mount the 6000A Series oscilloscope in a rack To mount the oscilloscope in a rackTo mount the 6000L Series oscilloscope in a rack Tools required not suppliedStep If needed T E 6000A Ventilation Requirements Ventilation requirements6000L Ventilation Requirements AC-Powered 6000 Series To power-on the oscilloscopeBattery-Powered 6000A Series Vrms, the oscilloscope must be grounded through its ground Operating with the Internal BatteryGround post on rear panel Ground PostOperating with the Automotive Power Adapter Cable Charging the BatteryReplacing the Battery Indicator will lightPlug Type Cable Part Number Power CordsDetailed Connectivity Information Remote interfaceTo establish a LAN connection 6000A Series Hostname To establish a LAN connection 6000L SeriesT E Stand-alone connection to a PC To establish a point-to-point LAN connectionTo use the Web interface Operating the oscilloscope using a Web browser Controlling the oscilloscope using a Web browserT E Step Setting a passwordSelect the Modify Configuration button Main Menu Function Keys Identify Function Scrolling and Monitor ResolutionIdentification Option LAN see the Agilent Technologies USB/LAN/GPIB Interfaces Printing the oscilloscope’s display from a web browserTo connect the oscilloscope probes Maximum input voltage in 50 Ω modePress AutoScale To verify basic oscilloscope operationSeries Oscilloscope User’s Guide Perfectly compensated Over compensated Under compensated To compensate the oscilloscope probesPassive Probes Supported To calibrate the probesPassive Probes Passive Probes Quantity SupportedBy 300 MHz, 500 MHz, and 1 GHz Bandwidth Models Active Probes SupportedActive Probes Quantity Supported Active Probes for All 6000 Series Oscilloscopes By 100 MHz Bandwidth ModelsTo view Quick Help on 6000L Series oscilloscopes Using Quick HelpTo view Quick Help on 6000A Series oscilloscopes Quick Help Languages Getting Started Front-Panel Controls Front Panel 6000L Series Oscilloscope ControlsRear Panel Front and Rear Panel Controls and Connectors Probe Compensation Terminals Channel Input BNC ConnectorInfiniiVision 6000 Series Oscilloscope Programmer’s Quick 6000A Series Oscilloscope Front-Panel Controls Press Utility & I/O & Show I/O Config Graphic Symbols in Softkey MenusConventions Channel 6000A Series Oscilloscope Front Panel Printing Data, starting on Front Panel ControlsFront-Panel Controls Series Oscilloscope User’s Guide Horizontal Sweep Speed Control Series Oscilloscope User’s Guide Input TriggerSoftkeys Interpreting the displayTo adjust the display grid graticule intensity To adjust the waveform intensity6000A Series Front-Panel Operation To start and stop an acquisition Memory Depth/Record Length Run/Stop versus Single To make a single acquisitionSingle RunningAuto Single To pan and zoomUsing AutoScale Choosing Auto trigger mode or Normal trigger modePassive Probes To set the probe attenuation factorExample Active Probes Manually Setting the Probe Attenuation FactorChannel Trigger Using the analog channelsVolts/div Source Bandwidth Channel InvertTurning channels off Impedance selection is not available on these models MHz bandwidth oscilloscope is fixed at 1 MΩ . Therefore,Oscilloscope to the correct impedance Measurement HintsFront-Panel Controls Units Factor Probe Save/Recall&Default SetupMain mode To set up the Horizontal time baseSeries Oscilloscope User’s Guide Front-Panel Controls Press Menu/Zoom Zoom modeBeginning and end Zoom sweep Main sweep These markers define Time/div for Delay timeZoom sweep window Select main or Zoom sweepRoll mode Axis Input in XY Display Mode Blanking XY modeTo make cursor measurements To make automatic measurements To turn the label display on or off Using LabelsTo assign a predefined label to a channel To define a new label Label Assignment Auto-Increment FeaturesPress Utility→ File Explorer To load a list of labels from a text file you createLabel List Management Defaulting labels without erasing the default library To reset the label library to the factory defaultTo print the display Press Utility &Options &PreferencesPress Utility&Options&Clock To set the clockSet Set Day set Hour setScreen Saver is disabled on 6000L models To set up the screen saverTo set the waveform expansion reference point User Calibration To perform service functionsAbout User Cal Return to Self Test Oscilloscope Status Longer cable To Trig OUT To Channel To perform User CalUser Calibration cable for 4-channel oscilloscope User Cal StatusAbout Oscilloscope Self TestInstalled licenses To restore the oscilloscope to its default configuration Viewing and Measuring Digital Signals To connect the digital probes to the circuit under test Supplied with the mixed-signal oscilloscopeGrabber Channel Pod Ground CircuitSignal Lead Ground Lead Grabber Signals Ground Acquiring waveforms using the digital channelsExample To display digital channels using AutoScaleSeries Oscilloscope User’s Guide 117 Interpreting the digital waveform display Activity indicatorTo switch groups of channels on or off To switch all digital channels on or offTo switch a single channel on or off To reposition a digital channel To change the displayed size of the digital channelsThreshold you To change the logic threshold for digital To change the logic threshold for digital channelsLogic family Threshold Voltage Bus softkey To display digital channels as a busBus1/Bus2 Select Return to Softkey Individual Channel Base Channels GroupBinary Using cursors to read bus valuesBinary or Hex Bus values are displayed when using Pattern trigger 126 Triggering the Oscilloscope SPI USB Triggering FeaturesSee Using Serial Decode on page 271 for more information Selecting Trigger Modes and Conditions To select the Mode and Coupling menuTrigger modes Normal and Auto Auto modeNormal mode To select trigger Noise Rejection and HF rejection To select trigger CouplingHoldoff To set Holdoff200 ns 600 ns Holdoff Operating Hints External Trigger input External Trigger Probe SettingsChannel oscilloscope External Trigger input Functions when the oscilloscope is powered on To the oscilloscope may occur MegaZoom Technology Simplifies Triggering Trigger TypesEdge Trigger To use Edge triggeringSlope Trigger level adjustment Polarity Trigger To use Pulse Width triggeringQualifier Polarity10 ns 10 ns Trigger Qualifier time set softkey10 ns 15 ns Pattern Selected To use Pattern triggeringTrigger Channel Rising orSpecifying an Edge in a Pattern Bus1 or Bus2 Hex Bus Pattern TriggeringTo use can triggering For can decode setup seeCan trigger Signal sourceBits Condition Selector Point RateNormal One BitDuration Selected To use Duration triggeringLevel Qualifier Qualifier time set Return to Select Series Oscilloscope User’s Guide 153 When the duration trigger occurs Modes of VPT1000 Control/Operation To use FlexRay triggeringConnecting the Oscilloscope and the VPT1000 Setting Up the Oscilloscope and the VPT1000Accessing the VPT1000 Menu PC Controls the VPT1000Specifying the VPT1000 LAN Address Sync Mode LAN AddressStruct Selecting the VPT1000 Control/Operating Mode Asynchronous or Synchronous Mode In addition to the logic Restore synchronizationMb/s, or 10 Mb/s Accessing the FlexRay Trigger Menu Triggering on FlexRay Frames, Times, or ErrorsTriggering on FlexRay Frames Triggering on the FlexRay Time Schedule Oscilloscope in asynchronous modeAll Errors Triggering on FlexRay ErrorsMultiple errors exist To use I2C triggering For I2C decode setup seeClock Start Address Ack Data Frame Start Addr7 Read Ack Data or Frame Start Addr7 Write Address R Ack1 Address Ack2 Data Frame Start Addr7 Read Ack Data Ack Data2 or Frame1st byte 2nd byte 26th clock edgeSeries Oscilloscope User’s Guide 169 Idle Time Trigger To use Nth Edge Burst triggeringEdge Nth Edge Burst triggerAssign Channels Edge Select For LIN decode information see To use LIN triggeringSync FieldLIN trigger Signal Condition Baud rateMenu Baud rate Point Selector Break Source Signal Sample StandardTo use Sequence triggering Find? Trigger on? Reset on? YesStart Yes Term Sequence SelectedEdge Pattern 1 and Edge Define the Find stageDefine the Trigger on stage Edge Pattern 2 and Edge Nth Edge Nth Edge 2 no re-find Edge 1 or Pattern 1 and Edge Timeout Define the optional Reset on stageAdjust the trigger level For SPI decode information see To use SPI triggeringBit Set all Framing, or Data channelValue Data bits To valueChannel Slope Condition Clock Data Frame bySeries Oscilloscope User’s Guide 185 186 To use TV triggering Resetting all bits in the serial data string to one valueSource Sync Selected Trigger ChannelChannel Polarity Standard Type Sync Pulse Provide Correct Matching190 To trigger on a specific line of video Example exercisesLine numbers for each EDTV/HDTV video standard Video standard Field Alt FieldAlternate Triggering LineAlternateTriggering on All Lines To trigger on all sync pulsesTriggering on Field To trigger on a specific field of the video signalTriggering on All Fields To trigger on all fields of the video signalTo trigger on odd or even fields Series Oscilloscope User’s Guide 197 Standard Time Half-field holdoff timeTo use UART/RS232 triggering For UART/RS232 decode setup seeTrigger softkey 200 Series Oscilloscope User’s Guide 201 202 Series Oscilloscope User’s Guide 203 To use USB triggering USB trigger Trigger on Signal + source SourceEnd of packet trigger Bus Idle Data sourceSeries Oscilloscope User’s Guide 205 Triggers Trigger Out connectorSource frequency Source frequency/8Post Acquisition Processing Making MeasurementsTo use the XY horizontal mode Signal centered on the display Example of centering a signal on the displayCursors set on displayed signal Series Oscilloscope User’s Guide 211 Signals are 90 out of phase Math Operating Hints Math FunctionsMath Scale and Offset are Set Automatically Math scale and offsetMath function Units Multiply Channel Waveform Math Function Scale MultiplySubtract Channel Waveform Scale SubtractDifferentiate Channel Dt waveform Math Source Function Select Scale Integrate Channel Dt waveform Channel 1 0 Scale Source Select Integrate and Signal OffsetFFT Units FFT MeasurementDC Value AliasingAliasing FFT Operation Source Frequency Center Preset SpanSpectral Leakage Select Span Frequency CenterOffset WindowScale and offset considerations FFT measurements FFT Measurement HintsSeries Oscilloscope User’s Guide 229 Square Root Source Select Channel √ waveform Scale √Cursor Measurements Series Oscilloscope User’s Guide 233 234 Series Oscilloscope User’s Guide 235 Cursors measure frequency of pulse ringing Cursor ExamplesSeries Oscilloscope User’s Guide 237 Moving the cursors together to check pulse width variations Automatic Measurements Phase and DelayTime Measurements Voltage MeasurementsTo make an automatic measurement Settings ThresholdsPreshoot and Overshoot Erase all AdditionalTo set measurement thresholds Changing default thresholds may change measurement resultsAbsolute threshold hints Source Threshold Lower Middle Upper Return to Select TypeFFT measurements Time MeasurementsRise Time Thresholds Upper Middle Lower + WidthDuty Cycle CounterFrequency Isolating event for Frequency measurement PeriodRise Time Fall Time+ Width WidthDelay Delay and Phase MeasurementsSource Delay At MinDelay Measurement PhaseVoltage Measurements Period Source DelayMaximum Top Amplitude Peak-Peak Math Measurements and UnitsMinimum Digital channel voltage measurementsAverage AmplitudeBase MaximumStd Deviation RMS∑ xi Isolating area for Top measurement TopPreshoot Overshoot and Preshoot MeasurementsLocal Maximum Preshoot Top PreshootOvershoot Local Maximum Top Base Local Minimum OvershootAntialiasing Displaying DataZoom Pan and ZoomTo set the waveform expansion reference point To pan and zoom a waveformAntialiasing Using the XGA video outputInfinite persistence Display SettingsVectors connect the dots Grid intensityAccumulating multiple acquisitions Clearing stored infinite persistence waveformsUsing Vectors Display menu Varying the intensity to view signal detailAmplitude Modulation with Noise Shown at 100% Intensity Acquisition Modes Selecting the Acquisition modeAt Slower Sweep Speeds Peak Detect Mode Normal ModeHigh Resolution Mode Agilent 6000 Series Model Numbers and Sampling Rates# Avgs=1 Averaging ModeGSa/s Sample Rate # AvgsRandom noise on the displayed waveform To use the Averaging mode128 Averages used to reduce random noise Realtime Sampling OptionRealtime Sampling and Oscilloscope Bandwidth Using Serial Decode Display Decode Signal Return to Mode Setup menu For I 2C triggering setup seeTo decode I2C data Decode I 2C data while LIN triggering is selectedSeries Oscilloscope User’s Guide 273 Interpreting Decoded I2C Data Series Oscilloscope User’s Guide 275 To decode SPI data For SPI triggering setup seeSignal Edge Option Signal Clock Frame by278 Interpreting Decoded SPI Data 280 To decode can data For can triggering setup seeRate Sample Return to Signal Source Point Series Oscilloscope User’s Guide 283 Interpreting Decoded can Data CRC blue Data white Data Length Code blue Active Error Frame redTypes of Frames Can TotalizerCounters Count Frame Count Percentage Total Frame Overload Error FrameTo decode LIN data For LIN triggering setup seeBaud LIN trigger Decoded LIN dataSync Return to Source Rate Sample Standard Break Point Selection290 Series Oscilloscope User’s Guide 291 Interpreting Decoded LIN Data Series Oscilloscope User’s Guide 293 To decode FlexRay data Display Decode VPT1000 Reset Return to Mode Menu CountersSeries Oscilloscope User’s Guide 295 Trailer Interpreting Decoded FlexRay Frame DataHeader CRC blue Time-Schedule Decode Interpreting Decoded FlexRay Time DataCounters softkey FlexRay TotalizerCount Total Frame Null FramePercent To decode UART/RS232 data For UART/RS232 triggering setup seeSelected UART/RS232 trigger Define Display Framing Signal Bus Base Value302 Series Oscilloscope User’s Guide 303 Interpreting Decoded UART/RS232 Data Series Oscilloscope User’s Guide 305 Tx Frame Rx Frame UART/RS232 TotalizerCount Percent HF Reject To reduce the random noise on a signalPress Mode/Coupling&HF Reject DB down pointNoise rejection LF RejectPress Mode/Coupling&Coupling&LF Reject DB down point Pass BandSeries Oscilloscope User’s Guide 309 15 ns Narrow Pulse, 20 ms/div, Peak Detect Mode Using peak detect mode to find a glitchSeries Oscilloscope User’s Guide 311 Undo AutoScale How AutoScale WorksSpecifying the Channels Displayed After AutoScale Preserving the Acquisition Mode During AutoScale314 Printing the oscilloscope’s display Supported Printers Saving and Printing DataPrint options Printing the oscilloscope’s displayChoose Options Select Printer Factors Color orPalette Selecting print optionsGraticule Not Inverted Supported Printers Series Oscilloscope User’s Guide 319 Can be saved to Saving oscilloscope dataType of Data Selecting a destination for your saved data Overwriting a file Selecting a file nameCreating a new file name Series Oscilloscope User’s Guide 323 Display Image and Waveform Data Files Waveform Trace and Oscilloscope SetupDisplay Image and Waveform Data File Formats Factors Choosing save settingsInvert Graticule Colors Length Control PaletteTo save a waveform and/or setup to a USB device Trace, or Trace and Setup To recall waveform trace and/or oscilloscope setupFile explorer Regarding USB Ports Press Utility&File Explorer To use the file explorerSecure Environment Mode Option Ordering the Secure Environment Mode Option Ordering the Secure Environment Mode OptionTo supply a sample clock to the oscilloscope To set up the I/O portUtility&Options&Features&Show license information Software and firmware updatesUtility&Service&About Oscilloscope Upgrading to an MSO or adding memory depthTo set up the I/O port Sample clock and frequency counter accuracy Using the 10 MHz reference clockSupplying an external timebase reference To supply a sample clock to the oscilloscopeReference signal locked MHz input mode selected Press Utility&Options&Rear Panel&Ref SignalTo synchronize the timebase of two or more instruments To check warranty and extended services statusTo return the instrument To clean the oscilloscopeInput Impedance Series Oscilloscope User’s Guide 341 Impedance versus Frequency for Both Probe Circuit Models Probe GroundingProbe Probe N Vn Common ModeBest Probing Practices To replace digital probe leads Digital Probe Replacement PartsPart Number Description Binary Data in Matlab Binary Data .binBinary Header Format File HeaderWaveform Header 348 Series Oscilloscope User’s Guide 349 Waveform Data Header Example Program for Reading Binary DataSingle Acquisition Multiple Analog Channels Examples of Binary FilesSingle Acquisition All Pods Logic Channels 1000ns ⋅ 4Gsa ⁄s = 4000samples Minimum and Maximum Values in CSV Files354 Power and Environmental Conditions Power Requirements Measurement Category Measurement CategoryMeasurement Category Definitions With 50 Ω input 5 Vrms Transient Withstand CapabilityEnvironmental Conditions Specifications SpecificationsAcknowledgements Americas Contact usAsia Pacific Europe362 Index Index Series Oscilloscopes User’s Guide 365 Modify softkey, 39 MSO, 4 Series Oscilloscopes User’s Guide 367 USB
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6000 Series specifications

Agilent Technologies has long been recognized as a leader in the field of electronic measurement and test equipment, and the Agilent 6000 Series oscilloscopes exemplify this commitment to innovation and quality. Designed for both professional engineers and researchers, the 6000 Series offers a comprehensive suite of features that enhance usability, accuracy, and efficiency in various applications.

At the heart of the Agilent 6000 Series is its advanced architecture, which integrates a high-performance analog-to-digital converter (ADC) and a sophisticated digital signal processing engine. This combination enables users to capture fast, high-resolution signals with remarkable accuracy, making it suitable for a wide range of applications, from automotive to telecommunications.

One of the standout features of the 6000 Series is its bandwidth options, which typically range from 100 MHz to 500 MHz. This flexibility allows users to select an oscilloscope that best fits their specific needs. Coupled with a sampling rate of up to 4 GSa/s, the 6000 Series offers exceptional timing resolution, ensuring that even the most fleeting signals are accurately represented.

The user interface of the 6000 Series is designed for maximum efficiency. The oscilloscopes are equipped with a large, high-resolution display, enabling users to view complex waveforms in detail. Furthermore, the touch screen interface provides a level of interactivity that simplifies navigation through various functions, making it accessible for both seasoned professionals and novices alike.

Additionally, the 6000 Series incorporates advanced triggering capabilities, allowing users to isolate specific events in their signals easily. The wide array of available triggering options includes edge, pulse width, and serial triggering formats, which are vital for analyzing complex digital communications.

Another noteworthy characteristic of the Agilent 6000 Series is its built-in measurement and analysis tools. The oscilloscopes come equipped with automated measurements, enabling users to quickly gather important data about their signals without manual calculations. This reduces the time spent on testing and increases overall productivity.

In terms of connectivity, the 6000 Series includes USB and LAN interfaces, providing easy data transfer and integration with other devices. The inclusion of advanced software options further enhances data analysis capabilities, enabling users to perform extensive post-acquisition analysis.

In summary, Agilent Technologies' 6000 Series oscilloscopes represent a blend of cutting-edge features, user-friendly design, and high-performance technologies, making them an invaluable tool for engineers and scientists engaged in electronic measurements and analysis. Their versatility and power make them well-suited to meet the demands of modern engineering challenges.
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