On Mon, 17 Sep 2012, Channel Jumper wrote:

Look on www.Repeater-builder.com

That will be as close as you will get.

No one uses crystals anymore - most everything is synthesized.

That's not completely true. They aren't going to lock to an RC
oscillator, the reference oscillator has to be crystal controlled.

QRP still uses crystals, it's simpler and takes up less space and dowsn't
draw much current.

Anyone using an old analog receiver still has as much use for a crystal
calibrator as in the old days. That TMC GPR-90 I got at a garage sale in
August for 20.00 came with a crystal calibrator.

There can be various standalone items where simplicity or small size is
more important than changing frequency. So some sort of signal generator,
if you don't need variable frequency, a crystal oscillator makes it
simple. A lot of digital circuitry is clocked at a high frequency, there
again one uses a crystal, though sometimes in the form of a crystal
oscillator module.

If one wants a spare receiver for the local repeater, one might as well
resurrect an old crystal controlled receiver, be it a consumer "plublic
service band" receiver or a commercial two-way receiver, and so long as
you can live with one or a frew frequencies, crystals still make it
simple.

Michael VE2BVW