There are several models of the 5680A. A lot use the DDS circuits to set the output frequencies and they do not have C field adjustments.
Brian - KD4FM wje wrote: > Unless you can measure the frequency to at least a few parts in 10e10, > you won't see any change. > These devices are far more precise than standard frequency counters. > You either need something like an HP 5370 or 5371 to measure the > difference, or another equally precise oscillator to compare against > using a phase meter or your oscilloscope. > Bill Ezell > ---------- > They said 'Windows or better' > so I used Linux. > > Rex wrote: > > Have you adjusted it? I tried tweaking that pot on one I had and I > didn't see any effect. > > wje wrote: > > > There's a small hole on the side of the case. > This is the trimmer access, at least on mine. > > Bill Ezell > ---------- > They said 'Windows or better' > so I used Linux. > > > > EMMANOUIL MANTZARAS wrote: > > > > Hi > Is there any one that knows where is the c-field trimer in the FE-5680A board > ?? > Thanks > sv1bke > > > > > > > > _______________________________________________ > time-nuts mailing list -- [EMAIL PROTECTED] > To unsubscribe, go to > [2]https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > References > > 1. mailto:[email protected] > 2. https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > _______________________________________________ > 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. > > _______________________________________________ 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.
