You might want to look at this:
http://ve1alq.gotdns.com/clpd_pll/clpd_pll.htm#kits
I don't know much about the details of this kit since I've
only quickly scanned through the web page myself. Also don't
know if it will work down to 45.5 MHz and/or if it will play
nicely with TCXO or not.
Duane
N9DG
--- "Martin, AA6E" <martin.ewing@gmail.com> wrote:
> Now for something completely different.
>
> I've been trying to tweak my Orion TCXO to get it more
> accurate after
> warmup. I have had some success, getting it to come within
> 0.4 ppm (4
> Hz at 10 MHz) or so, at least until the seasons change.
> This should
> be good enough for mortals like me, but can we do better?
>
> There was a lot of discussion on this reflector a couple of
> years ago
> about stability. No need to rehash that. I can see that
> one could
> make improvements by cooling/ventilating the synthesizer
> compartment
> better and/or by ovenizing the TCXO.
>
> I am wondering if anyone has succeeded in slaving the Orion
> to an
> external oscillator (GPS or otherwise). Is there a
> write-up anywhere?
>
> I am having a senior moment. I recall having read about a
> more or
> less universal frequency stabilization module that can lock
> to (or
> provide an error signal) for your oscillator at say 44.55
> MHz against
> your 10 MHz standard. This was not too long ago, but I
> cannot find
> the reference any more. Sounds like a QEX thing. Anybody
> have a
> pointer?
>
> TIA
> 73 Martin AA6E
> --
> martin.ewing@gmail.com
> http://blog.aa6e.net
__________________________________________________
Do You Yahoo!?
Tired of spam? Yahoo! Mail has the best spam protection around
http://mail.yahoo.com
_______________________________________________
TenTec mailing list
TenTec@contesting.com
http://lists.contesting.com/mailman/listinfo/tentec
|