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Re: [Amps] GS35b FWB issue

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Subject: Re: [Amps] GS35b FWB issue
From: "Fuqua, Bill L" <>
Date: Mon, 11 Jul 2011 20:33:09 -0400
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This thread reminds me of many of the older transformers had very little 
insulationg from the center tap to ground.
In fact the specifications had a warning that they were onlyto be used in full 
wave center tap applications only.
Newer transforers, even those with a center tap, are often used in full wave or 
voltage doubler applications.
  But in those years when the Iron and Copper was much cheaper than the 
rectifiers that was not the case.
Naturally, a fullwave bridge rectifier power supply  is more efficient than a 
full wave center tapped power supply.
At least for HV supplies. For very low voltages it is not the case. 
Bill wa4lav
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