Quote:
Originally Posted by EHaskins
You would need a much faster processor than that. You couldn't possibly process the signal every cycle.
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The CPU doesn't have to do
all the work. I know of a system having a 2 MHz processor that still manages to do time-domain reflectometry with better than 2 meter resolution. A separate 75 MHz clock drives a fast counter which controls the pulse generation and detection circuitry.