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[Amps] 8877 - No plate current

Subject: [Amps] 8877 - No plate current
From: Chris Allingham <>
Date: Tue, 10 Oct 2017 12:54:44 -0400
List-post: <>
I have a homebrew 8877 amplifier based on the QST articles from the mid-80s
and the ARRL Handbook.  I did not build the amp.  I believe I am the 3rd
owner.  I have owned the amp since 2013.

I haven't used the amp in several months.  I powered it on recently, and
now there doesn't seem to be any plate current and the output SWR is high
on all bands.  The amp was working fine the last time I used it.

Any suggestions on what the problem might be?

Thanks for your assistance!


Chris VE3FU
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