On Tue, Feb 7, 2012 at 1:03 PM, Attila Kinali <[email protected]> wrote:
> Addendum: Your counter input is mostlikely 50R. Even if it just enters > a chip, as the chip itself should be matched to 50R. The input impedance > should be noted in the manual of the counter. The counter specs say that any 2.5 volt or greater sine or TTL level square wave signal is acceptable. I think they use a 74LS14 chip or something like that. This counter was made in the 1980s, not quite current tech. Chris Albertson Redondo Beach, California _______________________________________________ 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.
