[AMPS] Re: New G2DAF amplifier information

[measures]

>
>
>-----Original Message-----
>From: measures <2@vc.net>
>To: Colin Lamb <k7fm@teleport.com>; Peter Chadwick
><Peter_Chadwick@mitel.com>; amps <amps@contesting.com>
>Date: 21 March 2000 20:07
>Subject: Re: [AMPS] Re: New G2DAF amplifier information
>
>
>snip
>
>
>>for a given input signal potential, peak anode current varies according
>>to the 3/2 power of relative screen potential.  When screen potential
>>does not vary, the sole determiner of peak anode current is input
>>potential.  Thus, linearity results.  In a linear amplifier, the sole
>>determiner of peak anode current must be input  potential.  In a DAF
>>amplifier the screen is busy determining peak anode current at an audio
>>rate while the grid is trying to determine peak anode current at an RF
>>rate.
>
>
>In a true DAF circuit, isn't the screen is determining anode current at a
>rate rather faster than audio?
>
The screen normally has a few nF of bypass C built into the socket.  If 
it did not, the grid would not be shielded from the large signal at the 
anode - and regeneration would undoubtedly take place.  . 

later, Steve

-  Rich..., 805.386.3734, www.vcnet.com/measures.  
end


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