Re: Can this circuit be modded to work with lower power input signal?
- From: "Tom Biasi" <tombiasi***@optonline.net>
- Date: Wed, 13 Aug 2008 12:12:39 -0400
"Kasterborus" <kasterborus@xxxxxxxxx> wrote in message
news:5b96c98c-dbb4-479e-9821-ef3c2ebe9144@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
I was looking at the schematic again - do you think that the pin 6 on
the OI could be wired up to do the job?
It seems to provide an electrical input to trigger the switching .
Maybe breaking the connections on pin 1 , connecting this to pin 6.
Then breaking pin 2 and connecting this to GND.
Obviously at this point I would never want to wire it up to a speaker
again, but maybe the half rectified line level signal would be enough.
I'm great with theory, just no so good with number crunching.
You would lose the isolation if you did that.
R10 and RV1 determine LED current, experiment with the series resistance to
the LED and you can probably use the circuit as is.
You may try driving the LED directly without RV1 using R10. Careful not to
overdrive the LED.
Tom
.
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