AWalker@RED.RUTGERS.EDU (*Hobbit*) (05/07/87)
The following
.01uF +-------+
Line ----------||--------|AC +|-------->
| |
Line ----------||--------|AC -|-------->
.01uF +-------+
200V Bridge rect.
will generate a voltage across the + and - of the bridge when ring voltage
appears across the line. It will also isolate the line from your downstream
equipment. You don't have to wait 14 weeks for a mess of diodes.
This as given may be a little *too* sensitive and trigger on small voltage
edges -- an appropriate application of R and C after the bridge can cut
this down some.
_H*
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