Agilent Technologies 5988-7401EN Combining Parameters for Signal Generation, Instrument Modes

Page 68

Using the Agilent 81133A/81134A Pulse Generator

Combining Parameters for Signal Generation

Combining Parameters for Signal

Generation

The following table shows you how the various modes and parameters can be combined. Empty cells indicate that the combination is not applicable:

Instrument Mode

 

Pulse/Pattern

 

 

 

 

 

 

Burst

 

 

 

RBurst

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pattern Mode

Square

 

Pulse

 

Data/PRBS

 

 

 

Data

 

 

 

Data

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Signal Mode

 

 

 

R1

 

RZ

 

NRZ

R1

 

RZ

NRZ

R1

 

RZ

NRZ

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Variable

 

 

 

 

 

 

 

30%

 

 

 

30%

 

 

 

30%

 

 

 

 

 

 

 

…

 

 

 

…

 

 

 

…

Crossover

 

 

 

 

 

 

 

70%

 

 

 

70%

 

 

 

70%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1 … 16384

 

 

4 … 16384

 

Burst Length

 

 

 

 

 

 

 

 

 

 

 

 

(in increments of 4)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Factor p

 

 

 

 

 

 

 

 

 

 

 

 

 

4 … 16384

 

(For calculating the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(in increments of 4)

length of the pause

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

that follows the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

repeated data)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTE For the clock source, the Internal YIG Oscillator, External Clock Input and 10 MHz Reference can be used as the clock source for all combinations. The Internal Direct and External Direct can only be used as the clock source for Square pattern mode and NRZ signal mode.

Instrument Modes

The instrument provides the following modes:

•Pulse/Pattern Mode

In this mode, each channel can be set independently to generate a continuous stream of:

–Square waves (clocks) of fixed width

–Pulses with selectable width or duty cycle

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

Page 67 Page 69
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Page 67 Page 69
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 InspectionVentilation Requirements Power RequirementsPerformance 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 ECL Levels Setting Up a Data PatternPrbs Polynome Signal Mode Pattern Mode 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 psMode Setting Up a Burst SignalInstrument 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 86100 DCA Connecting the InstrumentsSetting Up Signals for a Stressed Eye Diagram Measurement 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 Instrument Panel Channel Using the Agilent 81133A/81134A Pulse GeneratorPages of the User Interface 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 =Data Pattern of 32 bits Data PatternOutput Trigger Out 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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