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Dec 9th, 2022, 9:13am
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Two stage opamp differential feedback with different i/p and o/p common mode (Read 94 times)
vlsi_design
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Two stage opamp differential feedback with different i/p and o/p common mode
Nov 09th, 2022, 7:39am
 
Hi, I am designing a two stage differential amplifier with different i/p common mode voltage and o/p common mode voltage. When I connect it in closed loop using resistors R2 and R1 , dc current will flow due to difference in common mode. Is it ok for dc current to flow when the amplifier will be used in closed loop ? I want to characterise the closed loop response like step response etc.. Thanks

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