[Diy_efi] Photocouplers
Mike
erazmus at iinet.net.au
Wed Feb 26 06:01:08 GMT 2003
Yes and make it a fast diode, instead of the
1N400? series use a UF400? series etc.
rgds
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
>
>24 Feb 2003 Tony Petroski <tp11 at uow.edu.au> writes:
>
>> The reverse spike supression. I would like a link to an example
>> circuit that explains this theory.
>
>> tony
>
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