Path: utzoo!attcan!uunet!lll-winken!lll-tis!helios.ee.lbl.gov!pasteur!ucbvax!decwrl!decvax!watmath!bmaraldo
From: bmaraldo@watmath.waterloo.edu (Commander Brett Maraldo)
Newsgroups: sci.electronics
Subject: Re: Power Transformer Needed (help)
Message-ID: <19611@watmath.waterloo.edu>
Date: 24 Jun 88 05:13:31 GMT
References: <19550@watmath.waterloo.edu> <131500003@occrsh.ATT.COM>
Reply-To: bmaraldo@watmath.waterloo.edu (Commander Brett Maraldo)
Organization: Unit 36 Research
Lines: 27

In article <131500003@occrsh.ATT.COM> rjd@occrsh.ATT.COM writes:
>::  I need a high voltage power transformer with these characteristics:
>::
>::	Primary: 115VAC		Secondary: ~1300 VAC, 10mA
>  Am I missing something, or does your statement, "I am uninterested in killing
>cows" mean that you are assuming that the Hammond transformer will *always*
>put out 200 mA, no matter what the load is?  It won't.  So buy it and only

   If you think about what is required of a transformer, in terms of physical
size, to supply 1250VAC at 200mA, you will soon realize that such a transformer 
has to big (*AND*, I only need 1/20 the power that particular transformer).
   Over-designing is a characterisitic that , in general, increases size and 
weight.  For instance:  A friend of mine designed a 5V 300amp DC switcher that 
(excluding heat sinks) is about 25cm/10cm/7cm - truely a *small* package for 
such a device.  His design is optimal and will award him a patent.  Too often
I see designs that could be reduced in size and weight if the concept of
volume and space were respected.



					Brett L Maraldo


-- 
               --------     Unit 36 Research     ---------
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