Vintage Asylum

RE: If all diodes emit light...

64.24.177.211

In Reply to: RE: If all diodes emit light... posted by Al Nico on March 23, 2008 at 11:27:35

I don't know that they all emit light, but they are also light sensitive. You don't really want ambient lighting modulating your signals, do you? This was/is a problem with very low level circuitry, where diodes have to be painted black or otherwise shielded from light. BTW, did you know that you can wire up a transistor such that applying a positive voltage generates a small negative voltage? It's an LED-detector situation, written up by Bob Pease.

Follow Ups:

I agree... to a degree. - satellite65 22:38:49 03/23/08 (0)
Good Point - unclestu52 16:03:56 03/23/08 (1)
- RE: Good Point - Ron Oehlert 17:54:45 03/23/08 (0)

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