[Diy_efi] Photocouplers

[bcroe at juno.com]

Any switching diode will work; I don't think speed is 
that important.  Bruce Roe

26 Feb 2003 Mike <erazmus at iinet.net.au> writes:
> Yes and make it a fast diode, instead of the
> 1N400? series use a UF400? series etc.

> mike
> 
> At 12:53 AM 26/2/2003 -0600, you wrote:
> >If you have a single opto input diode, put a second diode 
> >in parallel with it but wired the other way.  This will short 
> >out any reverse voltage spikes that come through the 
> >resistor without breaking down the photo diode.
> >
> >Bruce Roe

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