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1answer
533 views

How to offset AC voltage with varying input?

I want to offset an input sine wave, while being able to adjust the input voltage. For example a sine wave of +-3 V should be offset by 1.5 V such that the sine wave never goes below 0 V. However I ...
0
votes
2answers
569 views

Why doesn't a resistor on the non-inverting lead of the op amp affect dc offset (non-inverting amplifier)?

Why doesn't a resistor on the non-inverting wire of the op amp affect dc offset (non-inverting op amp)? And does it have any effect on the dc offset of the inverting amplifier. The reason I ask is ...
1
vote
2answers
232 views

Instrumentation Amplifier REF pin maximum voltage

I'm a spanish engineer student doing my end-of-degree project. I need to remove the offset of a strain gauges bridge and i'm trying to make the calibration automatic, using a DAC (digital to analog ...
0
votes
1answer
6k views

Offset an input voltage of -2.5V - 2.5V to 0V - 5V? [duplicate]

I have a circuit input which provides a voltage range of negative 2.5 volts to positive 2.5 volts. How do I change this so the output voltage is 0 - 5 volts? simulate this circuit – Schematic ...