On 5/19/21 10:12 PM, Phil Allison wrote:
John Crane wrote:
---------------------------
Does anyone know of a source for 784 MHz crystals?

** You mean kHz.

I'd like to try to 'accurize' the timer in the HP-45 calculator.


** You need a broken HP-55 to scavenge one from.



..... Phil

Yes, that's possible. I have a HP-55 and it works, so I don't want to
cannibalize it. I'm sure there has to be some company that can custom
manufacture crystals to specs. I did try Bomar, but have not received a
reply.

-J