Re: [Amps] Biasing a Class C modulated final

[Bill Turner <dezrat@outlook.com>]

------------ ORIGINAL MESSAGE ------------(may be snipped)

On Wed, 18 Feb 2015 11:48:12 -0500, TexasRF@aol.com wrote:

>Paul, the fixed bias is there to protect the tube from excessive  
>cathode/screen/plate current if drive power is lost.

REPLY:

Don't forget the other function of a clamp tube or transistor: To
protect the tube if the fixed bias itself is lost. Of course this does
not apply to cathode zener bias, only to a fixed grid bias supply.

Bill W6WRT
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