Hi Modern gear often has high input standard plugs. People tend to daisy chain gear with T connectors. That makes for issues if they are all low impedance.
Bob On Feb 7, 2012, at 5:31 PM, Chris Albertson <albertson.ch...@gmail.com> wrote: > On Tue, Feb 7, 2012 at 1:03 PM, Attila Kinali <att...@kinali.ch> 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 -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ 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.