On Wed, Aug 28, 2013 at 9:30 AM, Richard (Rick) Karlquist < rich...@karlquist.com> wrote:
> > I have an 18 GHz HP 5342A frequency counter, which I don't seem to see >> a lot, as members of my radio club borrow it. But it has no oven. >> There is an option for an oven, but my model does not have the >> optional oven fitted. I don't know if it would take a 10811A - if so I >> might fit one, since I have a spare of them around. >> >> Dave >> > > When the 10811 was being designed, the prime directive was that it > had to be retrofittable into any 10544 socket. (Note that the > converse is not necessarily true.) Therefore you should be able > to install a 10811 in an old counter, if you have the infrastructure > that fitted the 10544. IIRC, the 5342 came out in the 1970's before > the 10811. > In the 5342A the 10544A was option 001. Installing it is just a matter of removing the TCXO, plugging the OCXO in and securing it with a couple of 5/16" 6-32 screws in. The hardest part is probably finding the right screws. The 'infrastructure' is already there. Orin. _______________________________________________ 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.