Agilent Technologies 5988-7401EN manual Setting Up a Repetitive Burst Signal

Page 52

Setting Up Generic and Advanced Signals

Setting Up a Repetitive Burst Signal

Setting Up a Repetitive Burst

Signal

Task Set up a signal with 4 repeated bursts.

Each burst consists of a 32-bit pattern signal with NRZ data output format at 100 MHz to check a digital circuit with LVPECL logic.

The data pattern is:

11100000000000000000000000000000

 

Data

Data

Data

Data

 

 

Data

Data

Data

 

 

 

 

 

 

 

 

 

 

Data Length = 32 x 10 ns

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Burst Length = 4 x Data Length

 

Number of Null data packets =

 

 

 

 

 

 

 

 

Burst Length

 

 

Using the Graphical User Interface

Instrument Settings To set the instrument parameters:

1Disable the outputs.

2In the instrument panel, choose the RBurst mode.

3Enter 4 for the number of null data packets.

4Define that the number of zeros that follows the repeated bursts is as large as the burst length.

5Set the frequency to 100 MHz.

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Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005

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Page 51 Page 53
Contents Agilent 81133A/81134A Pulse Generator Important Notice RevisionContents Setting Up Generic and Advanced Signals Setting Up the 81134A by Using the Graphical User InterfaceUpdating the Firmware Troubleshooting Index Contents Safety Summary Environmental ConditionsBefore Applying Power Safety RequirementsGround the Instrument Do not Operate in an Explosive AtmosphereInitial Inspection Initial InspectionPerformance Requirements Power RequirementsVentilation Requirements Cleaning Recommendation Cleaning RecommendationDeclaration of Conformity Declaration of ConformityIntroduction to the Agilent 81133A/81134A Pulse Generator Benefits and Key Features Introduction to the Agilent 81133A/81134A Pulse GeneratorFront Panel Overview Front Panel OverviewGraphical User Softkeys Numeric Interface Keys Tab Keys to navigateInput and Outputs Global Inputs Outputs Channel InputsDescription Rear Panel Overview Operating the Agilent 81133A/81134A Pulse Generator Navigation through the Pages Operating the Agilent 81133A/81134A Pulse GeneratorMain ChannelHow to Select a Parameter from a Selection List How to Navigate through the Parameters at onePress the navigation knob to open the selection list How to Change a Number Field How to Change a Number FieldModify Values Fine-Tuning PressChanging Single Digits Operating the Agilent 81133A/81134A Pulse Generator Setting Up Generic and Advanced Signals Setting Up a Clock Signal Setting Up Generic and Advanced SignalsUsing the Graphical User Interface Setting Up a Clock SignalNormal Out Channel Set the Freq. Divider to Frequency Divider Indicator Setting Up Generic and Advanced Signals Using the Remote Programming Interfaces Following code performs the same taskSetting Up a Pulse Signal Setting Up a Pulse Signal Pattern Mode Width LevelsTrigger Mode Generate the Signals //reconnect channels Setting Up a Data Pattern Prbs Polynome Signal Mode Pattern Mode Setting Up a Data PatternECL Levels Pulse Type NRZ Pattern Mode Data ECL Levels Switch to the Numeric Edit ModeData pattern for channel Numeric Edit Mode Trigger Mode Set up the trigger Set trigger mode to data OUTP0SOUR Bits Setting Up a Burst Signal Delay = 50 ps Period = 500 psArming Source Width = 100 psInstrument Setting Up a Burst SignalMode Data pattern for channel Graphic Edit Mode Timing ParameterTrigger Output Aux page now looks as follows Following code performs the same tasks Setting Up a Repetitive Burst Signal Burst Length = 4 x Data LengthSetting Up a Repetitive Burst Signal Instrument Burst Repetition Specifies ModeData Settings for the Pattern Signal To set the data pattern Setting Up a Repetitive Burst Signal Setting Up Generic and Advanced Signals Prepare the trigger Set trigger mode to Data OUTP0SOUR Bits Setting Up Signals for a Stressed Eye Diagram Measurement Setting Up Signals for a Stressed Eye Diagram Measurement Connecting the Instruments86100 DCA Setting Up the 81134A by Using Graphical User Interface 50 %Channel page now looks as follows Enable the trigger output Setting Up the 33250A Waveform Generator Viewing the Eye Diagram on the 86100 DCAPlay with the Settings Channel panelUsing the Agilent 81133A/81134A Pulse Generator Pages of the User Interface Using the Agilent 81133A/81134A Pulse GeneratorInstrument Panel Channel Pages of the User Interface Combining Parameters for Signal Generation Instrument ModesCombining Parameters for Signal Generation Pattern Modes Signal Modes NRZVariable Crossover Clock Sources Measure Function Clock SourceUsing the Agilent 81133A/81134A Pulse Generator Start Mode Trigger OutTiming of Generated Signals Timing of Generated Signals ClockDuty Cycle = 50 % Output Trigger OutPulses Channel Freq. Divider =Output Trigger Out Data PatternData Pattern of 32 bits Prbs Started Burst Data Pattern BurstRepetitive Burst Jitter Modulation Saving and Recalling SettingsJitter Modulation Saving and Recalling Settings Updating the Firmware Updating the Firmware Troubleshooting Troubleshooting Instrument does not RespondIndex IndexTrigger output levels Index 5988-7401EN

5988-7401EN specifications

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