> Does anyone know what the requirements for infra red LEDs are when using
> a Sharp GPiU52X demodulator.  I just finished some code that allows a
> 12c509 to turn on/off and adjust the volume of my Kenwood receiver using
> IR.  Everything looks good on the scope, but when I stick a plain old IR
> LED in, the signal looks like crap!  Any suggestions would be appreciated.
>
I think those units have peak response at 980nm. Most IR LEDS are
860-940nm.