[time-nuts] 5.115 MHz / 10.23 MHz wanted

[John Franke]

I have two PIEZO Systems 10.230 oscillators similar tote one shown in the attachment. Mine are model number 2810007-2. They are supposed to be replacements for the HP oscillators. Take a look and see if they may be of help for you. If so, send me your mailing address and I will ship the two to you at no cost. I will include the interface printed circuit boards.

John WA4WDL        jmfranke at cox.net
4500 Ibis Ct
Portsmouth, VA 23703





> On February 26, 2020 at 4:24 AM Tom Van Baak via time-nuts <time-nuts at lists.febo.com> wrote:
> 
> 
> For a DIY project I'd like a 5.115 MHz OCXO. That weird-looking number 
> is half the basic 10.23 MHz GPS chip rate.
> 
> I realize it's trivial to create 5.115 MHz with a DDS chip, a function 
> generator, synthesizer, or even an aggressive phase microstepper. But in 
> this case, if possible, I'd prefer a simple single part; a plain old XO 
> or OCXO solution. Do any of you know where to get a 5.115 MHz crystal or 
> oscillator?
> 
> I'm pretty sure that I've seen one-off surplus 10.23 MHz or 5.115 MHz 
> OCXO on eBay but I never thought to bid on them because the frequency 
> was strange. If you saw one, and "bought before you thought", let me know.
> 
> Thanks,
> /tvb
> 
> 
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