From: chuck adams (email@example.com)
When you grind crystals you will raise the frequency.
It is recommended that if you grind crystals do this
mostly for the FT-243 mounting format. The microprocessor
crystals and the newer sealed crystals have gold plating
and you will destroy them trying to get them out, etc.
I worked my way through an undergraduate degree in Physics
working for HP, James Knight, and Collins Radio doing this.
I did this with Dr Virgil Bottom, author of one of the
classic books on Quartz Crystals. Book is now outta print.
Grinding is not recommended for people trying to save a buck.
I can tell you war stories 'til the cows come home......
Some of the problems by doing it wrong:
o XTAL stops all activity (i.e. you killed it)
o Drift introduced
I'm not saying that you shouldn't do it. Just be careful.
A long thread was written up on this a few years ago on
the boatanchors reflector. Check it out.
FYI dit dit
-- Chuck Adams (K5FO CP-60) firstname.lastname@example.org Box 181150, Dallas, TX 75218-8150
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