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Re: [Amps] 4CX1000A

Subject: Re: [Amps] 4CX1000A
From: "Roger (K8RI)" <>
Date: Fri, 27 Jan 2012 17:10:56 -0500
List-post: <">>
On 1/27/2012 4:58 PM, wrote:
> A bleeder resistor to ground at the tube screen connection should help.
This not only makes the regulated supply much more simple as the supply 
always sees a positive load.
The value of the resistor should be of such that the supply always sees 
a normal load that never goes reversed even if the screen does.
IE if the screen draws 50 ma max when it goes negative, the resistor 
should be of a value to draw at least 55 or 60 ma from the screen 
supply.  Under those conditions the screen supply will only drop to 5 or 
10 ma and still remain positive.  You could certainly draw more current 
if the supply will handle it.


Roger (K8RI)

> Don W4DNR

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