[Amps] Grid Vs cathode drive

[R L Measures]

On Aug 3, 2006, at 12:24 AM, Peter Chadwick wrote:

> Hsu asked:
>> Why many Amplifiers using cathode driven?why not grid ?<
> My answer ( and it's doubtless open to argument) is two fold.
> First, the majority of transceivers are of the 100 to 200 watt  
> output level, so a grounded grid triode is a convenient way to go.  
> Secondly, the FCC rules, certainly until recently and maybe still,  
> for I don't know if they've implemented the changes they proposed,  
> prevented manufacturers from selling in the US amplifiers with more  
> than a certain amount of gain - the idea being to prevent CBers  
> using illegal power.

Serious CBers run 100w to 200w amateur radio transceivers.
...
> Peter G3RZP
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