That happened to a friend's 813 linear amplifier!. There was a barely
notable
"Tic...Tic..." every a few seconds. Because we had no choke at hand, it was
temporarily solved with a 68 K 2W resistor in parallel with Load capacitor.
Best regards
Guillermo- LU8EYW.
Peter Chadwick escribió:
> One function is to stop the pi tank components floating up towards the
> HV supply if there is no dc connection to ground. If you put two
> capacitors in series, then applying DC will lead to the junction
> floating to a voltage determined by the capacitance ratio. This can give
> problems if the antenna has no DC connection e.g. a dipole: you could
> get flashover in the loading capacitor.
>
> 73
>
> Peter G3RZP
>
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