John Ackermann N8UR skrev: > Ulrich Bangert said the following on 04/04/2009 06:13 AM: > >>> As a curiosity, there are various variants of the original 4046 which >>> has different sensitivity on the input side... one of them >>> has several inverters in a row to get the needed gain where as the other >> variant >>> does not. This difference made a huge difference in some applications. >> are you going to say with that it would be reasonable to test different >> brands for input sensivity? I have been believing that all brands have this >> inverter chain. > > Brooks Shera used the 4046 as the input conditioning circuit in his > GPSDO that was published quite a while ago. I seem to recall that he > noted only certain brands seemed to work well, but I don't recall the > details.
Maybe using a 4069UB and a small handful of passives would be a better solution? Cheers, Magnus _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
