Hi. It was actually my tutorial question. The original question is: Design a signal conditioning circuit that accepts a common mode input to drive an ADC that has a differential input. It should have the pre-settable gains of X1 X2 X5 X10 and an anti-aliasing glitter allowing response up to 600Hz. The ADC resolution is 12 bits over a 3V range. The input resistance to the signal conditioning circuit is 600,000 ohms and there is a second low pass filter with a response from DC to 600Hz.Welcome to AAC!
Tell us more of the intended application.
What is the frequency range?
What is the input signal voltage?
What are the supply voltages?
Have you designed with op-amps before?
No. We will come to that in good time.So this means I will need to design 4 circuits for 4 gains?
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