Agilent Technologies 5988-7401EN - page 69

Combining Parameters for Signal Generation Using the Agilent 81133A/81134A Pulse Generator

Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 69

– Data in either RZ, R1 or NRZ format

– Pseudo random bit stream (PRBS) polynomials

For details on these signals, see “Pattern Modes” on page 70.

•Burst Mode

This mode enables you to generate a burst consisting of data

repeated n times followed by continuous zero dat a.

In Burst mode, exactly one burst of d ata is output after either:

– Applying a ext ernal signal at the start input.

– Asserting a manual trigger on one of the remote int erfaces.

– Pressing the start button on the user interface.

A burst consists of data packets repeated a selectable number of

times (in data pattern mode).

• R epetitive Burst Mode

This mode enables you to generate a rep etitive burst consisting of

data repeated n times. A pause of zeros is inserted between two

successive bursts.

The repetitive burst is specified by two numb ers. The first number

(n) defines how often the specified data is repeated. The second

number ( p) define s the leng th of the pause tha t follows th e repeat ed

data.

The length of the pause is calculated by:

p x Length of Data Packets

n

np

Contents

Main 2 Important Notice WARNING CAUTION Contents Safety Requirements Introduction to the Agilent 81133A/81134A Pulse Generator Operating the Agilent 81133A/81134A Pulse Generator 4 Setting Up Generic and Advanced Signals Setting Up a Clock Signal Setting Up a Pulse Signal Setting Up a Data Pattern Setting Up a Burst Signal Updating the Firmware Troubleshooting Index Page Safety Requirements Safety Summary Environmental Conditions 8 Before Applying Power Ground the Instrument Do not Operate in an Explosive Atmosphere Do not Remove the Instrument Cover Initial Inspection Power Requirements Performance Requirements Ventilation Requirements Page Safety Requirements Declaration of Conformity Declaration of Conformity DECLARATION OF CONFORMITY Page 14 Benefits and Key Features Key Features Overview Front Panel Overview Input and Outputs Page Page Operating the Agilent 81133A/81134A Pulse Generator 20 Navigation through the Pages Page Page How to Change a Number Field Entering New Values 24 Modify Values (Fine-Tu ning) Changing Single Digits Page Setting Up Generic and Advanced Signals Setting Up a Clock Signal Page Page Page Page Page Page Page Setting Up a Pulse Signal 2.5 V 500 mV Pulse Width = 5 ns Period = 20 ns Page Page Page Setting Up a Data Pattern Page Page Page Page Page Setting Up a Burst Signal Page Page Page Page Page Setting Up a Repetitive Burst Signal Page Page Page Page Page Setting Up Signals for a Stressed Eye Diagram Measurement Connecting the Instruments 86100 DCA 81134A Pulse Generator 33250A Arbitrary Waveform Generator Setting Up the 81134A by Using the Graphical User Interface Page Page Setting Up the 33250A Waveform Generator Viewing the Eye Diagram on the 86100 DCA Play with the Settings Using the Agilent 81133A/81134A Pulse Generator Pages of the User Interface Page Combining Parameters for Signal Generation Instrument Modes Page Pattern Modes Signal Modes 111001 RZ R1 NRZ Variable Crossover Clock Sources Page Start Mode Trigger Out Timing of Generated Signals Clock Pulses Data Pattern PRBS Started Burst Repetitive Burst Trigger Out Output Jitter Modulation Saving and Recalling Settings Page Updating the Firmware Prerequisites Page Troubleshooting Page Index Agilent 81133A/81134A Pulse Generator Users Guide, January 2005 89 Index A B C D Index P R S T