[AMPS] Another Stupid Question

2 2@vc.net
Mon, 3 Dec 2001 07:01:50 -0800


>
>> At the higher frequencies, (more
>> significantly), doesn't the blocking cap
>> form the top half of a tapped C
>> transformer with the
>> tube's Cout making up the bottom half??
>
>That would be true only if you broke the "rule" that the blocking cap 
>reactance has to be small compared to the plate impedance of the 
>tube. That would happen if the tube had low reactance in parallel 
>with the output, which you provided in your example.
>
>All you need is a blocking cap that has low reactance compared to 
>the operating anode impedance of the tube.


//  But Tom, you are going against a cherished tradition.  

-  R. L. Measures, 805.386.3734,AG6K, www.vcnet.com/measures.  
end


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