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Provide offset voltage for non-inverting amplifier

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oschonrock:

--- Quote from: Zero999 on August 01, 2020, 11:00:15 pm ---A negative power supply is required for David's suggestion, because the bottom of the feedback divider goes to the  inverting input.

--- Quote from: David Hess on August 01, 2020, 07:19:36 pm ---Add the offset at the bottom of the feedback divider.


--- End quote ---

--- End quote ---

Sorry, you're right. It was late.  :o

That trick with the elevated ground reference only works with inverting amps unless you use a negative refrence (2 minuses make a plus) and THEN you need a negative rail obviously. 

Well I am glad that's fully solved now. At least your interpretation of it, with a gain=1, which the original guy probably didn't/couldn't have meant because he couldn't have got that with his existing non-inverting amp   ::)

Where is he?



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