Michael A. Terrell wrote in message
...

N Cook wrote:

Michael A. Terrell wrote in message
...

msg wrote:

Gareth Magennis wrote:

snip

An open circuit feeds up to twice the HT voltage back
into the output valves...

For us 'across the pond', what does 'HT' stand for?

Michael


B+


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What is the US term for EHT (Extra High Tension) , say more than 1KV ?

B++ ?


B+ is the plate supply, no matter how high the voltage. It is from
the early days of radio:

The 'A battery' powered the filaments.

The 'B battery' powered the plates.

The 'C battery' provided the grid bias.


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What do you call the seriously high PDA (post deflection acceleration
voltage) in an oscilloscope or TV, surely something other than B+ ?


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Diverse Devices, Southampton, England
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