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Re: [Amps] 8877 Grid Current

Subject: Re: [Amps] 8877 Grid Current
From: "Roger (K8RI)" <>
Date: Sun, 8 Nov 2015 19:21:47 -0500
List-post: <">>
As nothing else changes, I'd suspect a metering issue. Resistors, switch, or the meter?


Roger (K8RI)

On 10/31/2015 9:20 AM, wrote:
Hi All,

I have an Alpha 9500 with an interesting issue. The grid current slowly falls to near zero (less than 2-3 ma) with constant carrier input and constant output over a few minutes. The plate current is constant near 750ma and the output constant at 1500 watts. Can this be the tube? The meter circuit?

Thanks for your help,

William Osborne--K5ZQ


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