[AMPS] Clipperton L amplifier

[measures]

>
>> > The cure is a series "stopper" resistor of about 100 ohms, low
>> > inductance, between the screen bypass and the larger capacitor. This
>> > kills the parallel resonance completely, so the screen bypass works
>> > correctly. To avoid introducing DC resistance (which increases the
>> > source impedance of the screen supply, and may increase IMD) the
>> > resistor can be paralleled by an RF choke, or you can wind about
>> > 30-50 turns of wire on the resistor body.
>
>That's what I would expect also, an oscillation at HF where the 
>tank is able to store energy.
>
>It makes much more sense than VHF.

[chortle]

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


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