[Amps] electronic switching
wb8jkr at juno.com
wb8jkr at juno.com
Sat Jun 21 14:12:30 EDT 2003
> >Of course, switching the high voltage to
> >reverse bias the PINs while providing 1 amp of DC for forward
> conduction is
> >an interesting project in itself.
>
> ** Quite -- but optoisolators and 1500v transistors help.
Horizontal output transistors work well for the HV bias
switch. The switch I built used 5 volts at about 700 ma to turn the
diodes on and 1000 volts limited to about 2 ma to bias them off
and it worked well.
Mark WB8JKR
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