Ole wrote:
"So here is my first question - since this signal is amplitude modulated,
the only way this can (should) show up on the counter is if the
triggering
is not "perfect" - that is, it does not trigger at precisely 0v +
whatever
DC offset may or may not be on the signal. Is my undestandig here
correct?
A perfect zero-crossing detector would be immune to AM?"
I believe that should be true. Assuming that the source has no AM/PM
conversion, that no other noise is present with the signal, and that the
detector is immune to edge rate, the period of an AM signal should not
change.
Andy
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