[AMPS] Blown TL922A... What to do?
Fri, 8 Sep 2000 17:24:22 -0700
From: measures <firstname.lastname@example.org>
To: amps <email@example.com>
Date: 08 September 2000 05:51
Subject: Re: [AMPS] Blown TL922A... What to do?
>>Has anyone been able to measure the frequency of oscillation in, for
>The only case I have knowledge of involved loosely coupling a spectrum
>analyzer to the anodes of a seemingly stable* SB-220. Whenever
>anode-current changed, damped wave ringing at c. 110MHz was observed.
>/*note: no bandswitch or Tune-C arcing took place during the test/
>>What dip frequencies are found with a GDO in a 922?
>Measuring at the dc blocking C, typically c. 120MHz. There is a slight
>variation depending on the setting of C-tune.
A few%, 10%, 25%?
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