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Is it actually triggering on something? What's the frequency of this trigger signal? If it's in auto mode, then I would expect a much slower update rate.
I am using normal trigger to trigger on a 50MHz sine wave from a crystal at auto mem depth.
Is it even possible to measure trigger frequency on the same scope as you are measuring on? I mean you will only get one pulse per waveformupdate, you will never see a square wave with several pulses since that would imply that it would trigger several times per waveform...I think you need a second scope, or a frequency counter to measure it accurately.
Quote from: eV1Te on December 01, 2013, 12:16:51 amIs it even possible to measure trigger frequency on the same scope as you are measuring on? I mean you will only get one pulse per waveformupdate, you will never see a square wave with several pulses since that would imply that it would trigger several times per waveform...I think you need a second scope, or a frequency counter to measure it accurately.This was answered just a few posts above: https://www.eevblog.com/forum/testgear/using-trig-out/msg340002/#msg340002