[Amps] Screen regulation

Carl km1h at jeremy.mv.com
Tue Oct 22 20:57:55 EDT 2013


Only if you want it to be a problem and can split hairs on the SA.

Carl
KM1H


----- Original Message ----- 
From: "Vic K2VCO" <k2vco.vic at gmail.com>
To: "Amps reflector" <amps at contesting.com>
Sent: Tuesday, October 22, 2013 6:18 PM
Subject: [Amps] Screen regulation


>
>   For reasons that I won't go into, I want to put a 22 ohm resistor 
> between a
>   regulated  supply  and  the screen of a 4CX1000A. This would upset the
>   regulation to the tune of 0.77 volts when the screen current swings 
> between
>   0 and 35 mA. Without the resistor, the regulator holds the screen 
> voltage
>   constant within 0.1 volt from 0 to 35 mA.
>   From the standpoint of linearity/IMD would this be a problem?
> -- 
> Vic, K2VCO
> Fresno CA
> [1]http://www.qsl.net/k2vco/
>
> References
>
>   1. http://www.qsl.net/k2vco/
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