[time-nuts] Small quantity custom crystals

Mark Sims holrum at hotmail.com
Thu Sep 30 18:57:07 UTC 2010

I need to build some small tracking transmitters (using a circuit similar to  http://www.jbgizmo.com/page4.html  

This circuit uses a fifth overtone crystal to get an output in the 216 to 220 MHz range. The circuit is rather finicky about the crystal and transistor...  most don't work.   

Smaller and more rugged crystals are preferred.  Does anybody know of a place that can make 1 off crystals in this range for a reasonable price.   Many of usual suspects don't seem to be able to make crystals in that range.


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