Setting Up Signals for a Stressed Eye Diagram Measurement

Setting Up Generic and Advanced Signals

Setting Up the 33250A Waveform Generator

Program a 50 MHz sine wave with an amplitude of 2 Vpp:

1Press the Freq softkey.

2With the numeric keypad enter 50 as the frequency.

3Select the desired unit MHz by pressing the corresponding softkey.

4Press the Ampl softkey.

5Enter the value 2 with the numeric keypad.

6Press the Vpp softkey to select the desired unit.

Viewing the Eye Diagram on the 86100 DCA

To view the eye diagram on the scope:

1Ensure that the channel outputs and the trigger output at the 81134A instrument are enabled.

2On the scope, switch to channel 1.

3Press the Source button near the trigger input until front panel is selected.

4Press the Eye/Mask Mode button.

5Press AutoScale.

6Switch on the 33250A output with the output key.

The signal as displayed on a standard oscilloscope is depicted below.

Delay modulated with sine wave

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

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Agilent Technologies 5988-7401EN manual Setting Up the 33250A Waveform Generator, Viewing the Eye Diagram on the 86100 DCA

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