Volker Esper wrote: >> I have been looking into low jitter triggers for sampling systems >> recently and will probably end up using a discrete differential >> amplifier driving ECL logic. >> > Why discrete?
ECL style circuits on IC's suffer from high noise in the current source. If you go discrete, you can use an inductor for a current source and get rid of this problem. I think I remember seeing an IC that was designed to use an off chip inductor to do this, but most IC designers have a different agenda than low phase noise. Rick N6RK _______________________________________________ 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.
