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1. [Amps] instability issue - a bit more info (score: 1): Author: N1BUG <paul@n1bug.com>; Date: Wed, 27 Mar 2013 13:01:27 -0400; On a suggestion I checked the oscillation with a scope. It agrees with my frequency counter - oscillation around 400 - 450 kHz. I failed to add in my first post... when this problem occurred during "; /archives//html/Amps/2013-03/msg00354.html (7,505 bytes)
2. Re: [Amps] instability issue - a bit more info (score: 1): Author: Chris Wilson <chris@chriswilson.tv>; Date: Wed, 27 Mar 2013 21:59:40 +0000; 27/03/2013 21:58 I think it's the 2011 ARRL Handbook that mentions LF oscillation in linears, and I recall it mention input to output coupling issues, I can type out the relevant paragraph if you th; /archives//html/Amps/2013-03/msg00358.html (8,038 bytes)

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