[Hallicrafters] Transistors

mac w7qho at aol.com
Thu Jun 4 00:43:53 EDT 2009


Wonder what the voltage drop across an old cat whisker/galena detector  
might be?

Dennis D.  W7QHO
Glendale, CA

On Jun 3, 2009, at 5:38 PM, Charlie wrote:

> The latest "cat's meow" for crystal set is to use the new zero  
> voltage MOS
> diodes which have effectively zero junction drop.  In other words,  
> using a
> silicon diode looses a half volt where-as germanium is only a couple  
> tenths,
> so the end result is that the germanium diode will produce a louder  
> detected
> audio in the headphones, and the ZVS MOS device will require even  
> less RF
> for the same recovered audio.



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