Setting Up Generic and Advanced Signals Setting Up Signals for a Stressed Eye Diagram Measurement
60 Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005
Setting Up the 81134A by Using the Graphical User Interface
Instrument Settings To set the instrument parameters:
1Disable the outputs.
2In the instrument panel, choose the Pulse/Pattern mode.
3Set the Period to 1 GHz.
Channel Settings To set the channel parameters for channel 2:
1Switch to the Channel page.
2Switch to Channel 2 by pre ssing the Ch2 softkey .
3Select the pattern mode PRBS.
4Select the PRBS polynome 25-1.
5Select the signal mode NRZ.
6Enable the variable crossover and set t he crossover point at first to
50 %.
7In the Timing panel:
Select Delay Ctrl Input 250 ps.
–Set the Delay to 0 s.
Set the DCycle to 50 %.
8In the Levels panel, set:
–The level format to Custom.
High to 1.0 V.
Low to -1.0 V.