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power diode parallel caps


 :
6/21/1999 11:16 AM
paul perry
power diode parallel caps
I notice that eg Fender have the diodes in their bridge rectifiers paralleled by small value caps (eg .002 uf). This removes a very narrow but tall spike on the power rails.  
 
Anyone else use this, or notice it make a difference?
 
6/21/1999 3:04 PM
anonymous
It also adds some protection to the diodes for line transients as well as removing a large source of EMI.
 
6/28/1999 9:33 AM
paul perry

Anon said,"It also adds some protection to the diodes for line transients as well as removing a large source of EMI."  
 
This is true, I'm just suprised at how few people mention this (I have a fairly good tech library). Live and learn!  
 
 

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