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What is Boosting Input Resistance in Chopper Amps about?

This document summarizes a research paper that proposes a method to increase the input impedance of indirect current feedback instrumentation amplifiers that use chopper modulation. It does this by applying dynamic element matching to periodically swap the input and feedback signals at the same frequency as chopper modulation, which is known as synchronous chopping and port swapping (SCPS). This requires offset ripple rejection and equalizing the common mode voltages of the input and feedback signals. An am

Author

Rizwan Shaik Peerla

Language

EN