In article ,
jim rozen wrote:
In article , Ted Edwards says...

The zener and SCR sounds like it may be the ticket.

See my post elsewhere in this thread. That doesn't work.

A zen(n)er alone obviously won't work. That plus an
SCR to switch the current sounds almost plausible....

Only if you can depend on the ringing to turn the SCR off again.
Not sure whether I would bet on that.

Enjoy,
DoN.

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