Technical data

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71
Agilent InfiniiVision 7000B Series Oscilloscopes
Evaluation Guide
Appendix A
Using Trigger Holdoff to Synchronize
Acquisitions/Display on Complex
Signals
Triggering on simple repetitive signals is very easy using standard edge
triggering. But if you need to synchronize your oscilloscope’s
acquisitions/display on more complex signals, such as an
amplitude-modulated signal, you will need to use your oscilloscope’s trigger
holdoff capability, unless you have an external synchronization signal
available. This lab will show you how to use trigger holdoff to achieve a
stable trigger in the absence of a synchronization signal.
Setup
1 Connect the demo kit’s 40-pin ribbon cable from the back of the Agilent
InfiniiVision Series oscilloscope to the 40-pin connector on the demo
board.
2 Connect channel 1 probe to the CH1 test point and ground (GND).
3 Connect channel 2 probe to the CH2 test point and ground (GND).
4 Set the rotary switch on the demo board for the “AM” signal (Mode #1).
5 Press [Default Setup].
6 Set the channel 1 vertical scale to
500 mV/div and the vertical offset to
2.0 V.
7 Push the Trigger Level knob to set the
trigger level at 50%.
8 Push the Waveform Intensity knob to
set the waveform intensity at 50%.