jimlux wrote: > I'm looking for suggestions on a general circuit that can be used to > receive an external frequency reference (nominally a real clean sine > wave at, say, 10 MHz, although up to 100 MHz is possible) and turn it > into a "real clean" square wave. Galvanic isolation is a plus (a > transformer or capacitor would probably do that).
In the 5071A at 80 MHz, we capacitively coupled a sine wave into a 74AC series logic gate, that had DC bias resistors to hold it at half the supply voltage. Rick Karlquist _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
