Hi Joe,

While on the subject of the Si5351 chips, the application of converting
one reference clock to a secondary frequency is what they were designed
for. So, since you've already got a GPS reference, this -might- be an
inexpensive starting point...For this application, you obviously won't
need all the bells and whistles presented in this article! See:

http://www.knology.net/~gmarcus/Si5351/Si5351_VFO_QEX.pdf
http://www.knology.net/~gmarcus

Note that I would replace the Si5351 25MHz reference with a decent TCXO
(available on ebay, etc.)....Note that I haven't used the Si5351 with an
RTCM, there may be simpler/better ways???


73, David KB4FXC




On Mon, 6 Jun 2016, Joe Moskalski wrote:

> > It seems clear that in order for simulcast to work properly with the RTCM
> > I will need to clock the CPU to the GPSDO. Is there a device available to
> > give you the 9.6 mhz reference from the 10 mhz out from the GPSDO or does
> > anyone have a schematic available so that I can build them myself?
> >
> >
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