At that low a frequency aren’t you actually testing the temperature and time stability of the gain controlling components?
Tim N3QE > On Nov 29, 2017, at 9:04 PM, jimlux <jim...@earthlink.net> wrote: > >> On 11/29/17 5:53 PM, Bob kb8tq wrote: >> HI >>> On Nov 29, 2017, at 8:41 PM, jimlux <jim...@earthlink.net> wrote: >>> >>> On 11/29/17 3:41 PM, Bob kb8tq wrote: >>>> Hi >>>> Needless to say *demonstrating* this 0.001 db sort of gain flatness on a >>>> repeater >>>> out to crazy low frequencies is a bit involved. It *is* a great gig if you >>>> happen to be >>>> a consultant … >>>> Bob >>> >>> >>> >>> demonstrating 0.001 dB (or would that really be 0.1 mB or 100 microBels) >>> precision in *any* application is a bit involved. That's 0.03% >>> >> Yup, now do it at some silly low frequency ( 0.(some number of zeros)1 Hz …. >> great way to waste a lot of time. > > > That's a volt meter.... > > It's the "do it at 1 Hz and 10 MHz and every 1 Hz in between" that is the > challenge. > _______________________________________________ > 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.
