[AMPS] CT filament secondary

Rich Measures measures@vc.net
Thu, 11 Feb 1999 01:37:52 -0800

>Arden, Bill,
>Adding a hum bucking circuit is plausable, it's done in some older
>commercial b'dcast transmitters. But it must be tweaked for each tube,since
>it is not exactly feedback, but a method of 'feedforward' noise correction

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