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From: ISW@cup.portal.com (Isaac S Wingfield)
Newsgroups: sci.electronics
Subject: Re: Low Noise Voltage Source (Was: Noise of dry cell)
Message-ID: <37692@cup.portal.com>
Date: 7 Jan 91 17:08:01 GMT
References: <1991Jan3.001303.483@ae.chalmers.se> <4285@kitty.UUCP>
  <13749@milton.u.washington.edu> <4291@kitty.UUCP>
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One technique for obtaining a low noise voltage source is to parallel
some number of individual voltage sources; since their noise outputs are
uncorrelated, the noise contribution is reduced.

See any good text on low-noise design for details.

Isaac
isw@cup.portal.com