[AMPS] Triode conected Tetrodes

[Rich Measures]

>
>Marv, WC6W pretty well said it all...........but you can add that for a
>given plate voltage swing and a given power output, the tank circuit is
>designed for the correct load impedance, and it doesn't give a damn what
>class the tube is in.

€  it seems to me that ZSAC determines conduction angle, and that this 
affects linearity.  
>
>Which is another way of saying that the tables are for desired plate load
>impedance.
>
>Grounded cathode is fine for a bit more gain, and the neutralising
>requirement, as compared to grounded grid. It doesn't necessarily need input
>tuning either, depending on the input capacity, the drive power, the
>acceptable SWR etc. There are, as they say, more ways than one to skin a
>rabbit. My way is not necessarily Rich's way, but if we both end up with the
>skinned rabbit, whose to say we're either or both wrong or right?
>
€  I know only too well that, in HF service, tetrodes with >50-ohm grid 
terminations are more likely to turn into surprise oscillators if they 
are not neutralized.  
>
-  later, Peter


Rich...

R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures  


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