[AMPS] Bypassing Screen of 4cx800a for 50 MHz

[Steve Thompson]

-----Original Message-----
From: W9GT <w9gt@home.com>
To: Lamb <k7fm@teleport.com>; amps@contesting.com <amps@contesting.com>
Date: 18 December 2001 01:33
Subject: Re: [AMPS] Bypassing Screen of 4cx800a for 50 MHz


>
>Good suggestion Colin.   I was familiar with the 4CX1500B (W5TMN) amp in
>Bill Orr's Handbook, but never tried the grounded screen arrangement.  I
>built a 4CX1500B amplifier, but I used a conventional circuit and the
>regular SK-800 series socket which had the built-in bypass cap.  Really,
the
>grounded screen may be an excellent way to go and accomplish the desired
>results.  It is only complicated by  the requirement for floating the
screen
>and bias supplies below ground.......
This is an honest question, not a carping comment. Is bypassing the cathode
to ground at -350V easier or less critical than bypassing the screen at
+350V?

Steve


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