At 02:45 PM 7/3/2003 -0500, you wrote:
>At 09:19 AM 7/3/2003 -0500, Lawrence Lile wrote:
>>Early in my career I was an audio technician.  I got a Marantz power amp
>>in the shop, a nice, high end, Class A  250 watt audio power amp.  Back in
>>those days, brute force power supplies were the norm.  This baby was the
>>tops, so it had two power capacitors as big as a can of Schlitz and a
>>third one as big as a can of Foster's.   I think they were at least half a
>>Farad each, and riding on a 75 volt bus.
>
>At least they are on the right side of the switcher.
>I've always wondered why they put those xF caps on the input side.
>They would do so much more on the output, E=0.5CV^2 and all..

????  What do you mean?

Best regards,

Spehro Pefhany --"it's the network..."            "The Journey is the reward"
speff@interlog.com             Info for manufacturers: http://www.trexon.com
Embedded software/hardware/analog  Info for designers:  http://www.speff.com

--
http://www.piclist.com hint: The PICList is archived three different
ways.  See http://www.piclist.com/#archives for details.