On 5/15/11 2:22 PM, [email protected] wrote:
Hi all, does anybody out there have any ideas as where to find a 32859Hz crystal (1/2 that value would be better) to be used to replace 32768 crystals in ordinary clocks? I think that 32768 crystals cannot be dragged that much. I've already read the JimLux article somewhere on the web, but I would be pleased finding a simpler solution. Also, I already have computer programs that show sidereal time. Thanks, Antonio I8IOV
Heh.. I cheated and used a 3325B to make whatever frequency we wanted. (even better, you can use GPIB to change the frequency vs time to make a "clock" that displays unusual things like "height above horizon" or "azimuth to orbiter") Whether this would be more useful than just driving a dial with a stepper motor is sort of a good question.
I think you're right that you can't drag a 32768 crystal down by one part in 365. Maybe you could do it by opening the can and putting some mass on the crystal resonator?
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