I have not ordered custom crystals myself but some Google searching turned
up these:

http://www.icmfg.com   (seems to be HIGHLY recommended in the Amateur Radio
community)

http://www.surplussales.com/Crystals/Crystals.html (not custom but they
stock a huge variety of frequencies - and I have bought other items from
them before and highly recommend them)

http://bomarcrystal.com/

http://www.krystaly.cz/en/




On Sat, Oct 11, 2014 at 3:58 PM, David C Brown <dcb.home@gmail.com> wrote:

> . But, the key
> > thing is that one must be aware of the need to consider this problem,
> which
> > does not arise with a simple oscillator.
> >
> >
> > Which brings us back to my original question.  Where can I get a custom
> frequency crystal to use in a Colpitts or Pierce  circuit.   When I were =
a
> lad and into amateur radio it was easy to buy custom crystals but, today,
> nuch harder
>
>
>
> --
> __________________________________________
> David C Brown
> 43 Bings Road
> Whaley Bridge
> High Peak                           Phone: 01663 733236
> Derbyshire                eMail: dcb.home@gmail.com
> SK23 7ND          web: www.bings-knowle.co.uk/dcb
> <http://www.jb.man.ac.uk/~dcb>
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