Digikey sells a line of 'programmable' crystals.
Basically they have an xtal, programmable divider and VCO in one
package. You can buy them blank, or preprogrammed. The programmer
is expensive.

Robert


Doug Butler wrote:
>
> I am trying to eliminate a PLL frequency synthesizer by simply switching 2
> or 3 crystals into the circuit.  Where is a good source for custom crystals
> in the 3MHz to 4MHz range?  SMT crystals would be preferred.  In my early
> Ham days there were lots of places that made custom crystals for the Ham
> bands in a week or so.  I can't seem to find any now.
>
> Doug Butler
> Sherpa Engineering
>
> --
> http://www.piclist.com hint: The PICList is archived three different
> ways.  See http://www.piclist.com/#archives for details.

--
http://www.piclist.com hint: The PICList is archived three different
ways.  See http://www.piclist.com/#archives for details.