> > I want to shift a analog signal 5v down (or subtract 5 v).
> > I found clipper and clamper circuits using diode and additional
> > voltage source.
> > Is there any solution without using additional voltage source ?
> 
> How much current?  From what starting voltage?

over which range? what accuracy is needed? what is the source impedance?
what is the tolereable output impedance? what are the AC requirements?

Wouter van Ooijen

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Van Ooijen Technische Informatica: www.voti.nl
consultancy, development, PICmicro products
docent Hogeschool van Utrecht: www.voti.nl/hvu
 

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