Reply to "Revised Two or Four Port TIU Output Signal Indicator Boards Are Ready To Go"

gunrunnerjohnOGR Forum Member SUPPORTING MEMBERDIGITAL SUBSCRIBER

George, I believe his detection circuit is the same as the one you have except he only has two poles on the filter instead of four. Note that this circuit only works for a pure sine wave, a chopped waveform indicates a signal all the time due to the harmonics of the waveform getting through the filter.

1/29/229:53 AM

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