Hi 4.5 Hz at 1 MHz is 4.5 ppm. That’s not out of the likely adjustment range on the basic crystal reference on a 5308. It’s probably a simple tweak to get it back into calibration.
Bob > On Nov 1, 2014, at 3:19 PM, Burt I. Weiner <b...@att.net> wrote: > > I was recently given a HP-5300B / 5308A counter. I thought it might be handy > when I'm at an AM broadcast transmitter and needed to make "rough" frequency > measurements. It turns out that at 1000 kHz it reads about 4.5 Hz high. > Looking inside I'm not sure if there's a time base adjustment. I looked at > the on-line manuals available and I don't find any reference to adjusting the > time base frequency. Does anyone here know anything about these counters? > Is there a schematic available? I'm not looking for precision, but 4.5 Hz at > 1 MHz seems a tad much. > > Burt, K6OQK > > Burt I. Weiner Associates > Broadcast Technical Services > Glendale, California U.S.A. > b...@att.net > www.biwa.cc > K6OQK > _______________________________________________ > 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.
