To: | amps@contesting.com |
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Subject: | Re: [Amps] cathode to ground in tetrode amp |
From: | Steve Thompson <g8gsq@eltac.co.uk> |
Date: | Tue, 31 Jan 2006 07:34:15 +0000 |
List-post: | <mailto:amps@contesting.com> |
Will Matney wrote: > What I looked at in the schematic didn't make one lick of sense to put a > cathode choke to ground on a grid driven amp, then place a shunt resistor > across the choke Assume that the resistor is a typo and it's meant to be 30R, not 30k - a reasonable value to give some rf nfb. The choke across it allows the dc and rf conditions to be controlled separately, without interaction. Steve _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps |
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