> cap is on 10m, on my home brew 8877 amp I used a 1000 pf 10 kv cap.
> that's the size of a hockey puck. The output on 10m is within 2% of
> the output on the other bands. The plate blocking cap. has to handle
> the circulating current of the tank since the tube capacitance is in
> parallel to the tank cct. Most commercial amps output will be down
> about 10% to 20% on 10m which is a combination of tank coil size and
> other components and plate blocking cap.
If you lost even 1% of the power output in the blocking cap, it would
explode, melt, sag, or turn to smoke.
One of the biggest myths around is that blocking caps noticeably
affect efficiency.
73, Tom W8JI
W8JI@contesting.com
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