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Old 10th Jan 2020, 11:27 am   #146
stuarth
Heptode
 
Join Date: Feb 2010
Location: Heysham, Lancashire, UK.
Posts: 669
Default Re: RCA AR88D Comms Receiver.

Is it worth doing a high voltage insulation test on the tuning cap? I’m thinking of something like metal whiskers which look open circuit at low (ohmmeter) voltages, but break down at valve oscillator voltages.

Stuart

Last edited by stuarth; 10th Jan 2020 at 11:27 am. Reason: Typo
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