Reminds me of the FT-243 xtal controlled transmitter Novice days. Xtals
of the frequency you wanted were hard to come by. We would grind xtals
a bit on a bed of very fine abrasive to raise their frequency.
The other trick was taking a pencil and adding graphite to the xtal
faces to lower it's frequency. You couldn't add too much or it would
stop oscillating-- forever. Never did understand the forever part.
Removing the graphite didn't bring it back to life.
Brian
K3KO
On 6/18/2013 23:57, paul swed wrote:
As I have discovered the 8170 expects 60 Khz.
Going to 3 V dropped the xtal freq 1 hz low and the 8170 does not lock.
Good to know and I suspect a bit hard to fix. But will look into it.
Regards
Paul
WB8TSL
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