Magnus, the first HP oscillator has been studied about as much as is possible. That is not my interest. I am looking at the HP-100 family of frequency standards.
On Mon, Mar 1, 2021 at 12:36 AM Magnus Danielson <[email protected]> wrote: > Hi, > > On 2021-03-01 00:17, Jeremy Nichols wrote: > > Does anyone know how many of its “first family” of frequency standards HP > > made? That would be the HP-100A (starting in 1943) through HP-100E > (ending > > 1967). Just curious—I have a 100E, made in or after 1961. > > As I recall it, the HP200A was the first product. A handy audio > frequency oscillator. Variants came along for 200B, 200C, 200D and those > where made for 8 years, when they was revamped into the 200AB and 200CD > products that ran for another 35 years of production. Pretty amazing. > The 100 series was started later as I recall it. > > Rather than trusting my memory, there is a number of HP history-sites, > and the HP Journal may have relevant articles that shed light on it, I > would trust that way more than my memory, but at least I got you pointed > towards that. > > Cheers, > Magnus > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com > and follow the instructions there. > -- Jeremy Nichols Sent from my iPad 6. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.
