[time-nuts] Heathkit GC 1000 Most Accurate Question
Dave B
g8kbvdave at googlemail.com
Tue Feb 6 12:29:46 UTC 2018
> Bill
> I see the manual is online for the GC1000.
> The 1KHZ tone decoder may be suspect in that its drifted off frequency. Its
> a little ne-567 chip with a pot.
> ne 567s were never all that great...
> Regards
> Paul
------------------------------------------------------------------------
567's are not too bad, not "precision", but not bad.
Small pot's are not great for long term stability either, especially if
the track/wiper is exposed.
73.
Dave.
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