Re: Differenz- oder Instrumentenverstärker?

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Fuer deinen Job tut es ein simpler Verstaerker *5, kein Differenz:

in --|+\ LMC6482
     |  >-+- out
   +-|-/  |
   +--88k-+
  22k
   |
offset (Spannungsquelle mit 0.75V)

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Die gezeichnete Schaltung belastet Vm gar nicht

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wenn die zu messende Differenz einen hohen Gleichtaktanteil hat.
--
Manfred Winterhoff, reply-to invalid, use mawin at despammed.com
homepage: http://www.geocities.com/mwinterhoff /
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Re: Differenz- oder Instrumentenverstärker?
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0.6 / 4 * 5

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Normaler CMOS Rail-To-Rail,
wobei in deinem Fall der Eingang das noch nicht mal Rail-To-Rail koennen muesste.
--
Manfred Winterhoff, reply-to invalid, use mawin at despammed.com
homepage: http://www.geocities.com/mwinterhoff /
We've slightly trimmed the long signature. Click to see the full one.

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