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previous: Richie{~}==::: Just wondering on the pros and cons... -- 8/9/2000 12:46 PM view thread

Re: Heater circut...have a question?

8/9/2000 2:03 PM
SteveG
Re: Heater circut...have a question?
Hi Ritchie,  
 
'Unfortunately, low-frequency magnetic fields are not significantly reduced by metal enclosures.'  
 
-Horowitz and Hill, p456  
 
The reason that the twisted pair works is that the hum is cancelled out by successive twists.  
 
Steve

 
Replies:
Eric H Any advantage to shielding the twis... -- 8/9/2000 4:26 PM