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Single Supply Non-Inverting Av=1 Op Amp Circuit With Simple Offset Voltage Calculation 2017-02-08

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crutschow

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crutschow submitted a new article:

Single Supply Non-Inverting Av=1 Op Amp Circuit With Positive Offset - Circuit generates Av=+1 circuit with simple positive offset calculation

Occasionally it is desired to have a single-supply op amp circuit with Av=1 but with a positive offset.
Typically this gives an interaction between the gain and offset voltages which makes it awkward to calculate the desired resistor values. And the calculations may generate non-standard resistor values.
Here's a circuit that allows easy calculation of the offset with offset defined by standard resistor values and offset change doesn't affect the gain of +1.
The LTspice simulation of the...
Read more about this article...
 
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