[ARC5] Best Option for Digital Crystal Replacements?

[Tim]

Hi Mike - I think that "out of stock" may be a quirk in how Digikey manages
custom-programmed parts like these. (The specific freq some customer needs
is out of stock...)  I also ran into this, somewhere in their ordering
directions it's explained.  Or give them a call - I found their customer
service to be quite good.

Tim
N6CC

On Sat, Nov 20, 2021 at 9:50 AM MICHAEL ST ANGELO <mstangelo at comcast.net>
wrote:

> I was thinking of getting some of the Epson chips but Digikey shows them
> out of stock:
>
> <
> https://www.digikey.com/en/products/detail/epson/SGR-8002DC-PTB/755251?s=N4IgTCBcDaIMoHEBKBaAHABg2AIgYRQAUAVAIRQDkcACEAXQF8g
> .
>
> Hopefully this is a temporary supply chain issue.
>
> Mike N2MS
>
> On 11/20/2021 12:41 PM Tim <timsamm at gmail.com> wrote:
>
>
> Hi Wayne...Are you referring to the Epson programmable oscillator chips?
> You can order them to put out a square wave on any freq up to about 125 mc
> as I recall.  $4.10 apiece, very fast delivery from Digikey.
> I revived a TRC-88 USB manpack with them versus custom crystals in the
> receiver LO and transmitter HFO, they work just fine, pretty easy to
> implement.  Just add + 5 volts.  Take a look here for details on how I did
> it.  https://www.n6cc.com/trc-88-hf-cwssb-transceiver/
> Thanks to W9RAN for the heads up on these versatile parts!
>
> Tim
> N6CC
>
> On Sat, Nov 20, 2021 at 8:02 AM <releazer at earthlink.net> wrote:
>
> What is the best option for using those little digital oscillators to
> replace crystals?  I bought a 1 MHZ oscillator module and used it to
> replace the calibration oscillator in an SG-297, and that worked just
> great, but I need some specific frequencies for sets like the R-361,
> SCR-522 and ARC-3.
>
> Thanks,
>
> Wayne
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