>
>I thank you guys very much for all the help and ideas you gave me.
>
>One thing I never thought about is he fact that you can put the choke in the
>"cold end" of the pi tank; (my conservation instinct tells me to stay away of
>that mod , :-), however it could be a way of solve one´s problem).
>
Yet another method is to operate the tank at +DC ground, and feed the -HV to
the CT of the fil. transformer. This eliminates the DC blocking capacitor in
the anode circuit.and reduces the reactance needed by the anode choke (in
parallel with the Load capacitor).
. I have had good results by multi-grounding the screen collet, applying the
screen supply between gnd and the fil. trans. CT, and using a 2-section HV RFC
with the sections mounted at right angles. Naturally, the choke resonances
must be parked on safe spots, like 15MHz, 20MHz, on and on.. . . A
discussion on design and fabrication of HV RFCs can be found in *Amplifiers* on
my Web site.
Rich. Measures. Web site: www.vcnet.com/measures
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