[ARC5] Diode Mystery

[Doran Platt]

Dennis,
FWIW, concur 100% with your final analysis.  Been there, done that.....
Jeep K3HVG

>      
>     ---------------------------
>     I don't see how a 100% forward biased supply protection diode could produce the noise problem theorized. Sounds more like a measurement problem of some kind. DVMs can be fooled, particularly when in the presence of a strong RF field.
>      
>     Hope this helps with the understanding.
>      
>     Dennis AE6C
> 
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