[time-nuts] Dual Mixer

[Alan Melia]

Mmmm I think you are comparing with cheapie "computer grade crystals". That
price of $12 is pretty much in line with charges for "made to measure"
crystals in the UK at £7 to £8 (GBP) each (3rd or 5th OT) some discount for
quantities over 10. These would be on spec and of commercial quality,
suitable for instance for radio applications. Computer grade cystals can be
ok for some applications but are generally of a much lower standard of
quality. There is much lower demand for crystals since all radio use
sythersisers now and a lot of companies have gone out of business because to
total market is much smaller.

If cheapies will suit and 80MHz is not available you could always use 40MHz
which I think is in the range and use a low noise doubler ??

Alan G3NYK



----- Original Message -----
From: <EWKehren at aol.com>
To: <time-nuts at febo.com>
Sent: Monday, November 16, 2009 3:08 PM
Subject: [time-nuts] Dual Mixer


> As part of the Dual Mixer project I am looking for a source of reasonably
> priced 80 MHz Xtal's in HC 49 holder. International Crystal wants $12 in
> fifty  Qty. In my opinion to high. Any help will be appreciated.  Thanks
Bert
> Kehren
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