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What are different methods used to improve CMRR in Differential Amplifier.
written 8.8 years ago by gravatar for teamques10 teamques10 ★ 69k •   modified 8.8 years ago

Mumbai University > Information Technology > Sem3 > Analog and Digital Circuits

Marks: 8 M

Year: Dec 2013
digital electronics
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written 8.8 years ago by gravatar for teamques10 teamques10 ★ 69k

  • Constant Mode Rejection Ratio (CMRR)of a differential amplifieris the rejection by the device of unwanted input signals common to both inputs.

  • CMRR is the ratio of differential gain to the common mode gain.

  • Methods to improve CMRR in Differential Amplifier:

    I. Use of constant current bias

    i. Following figure shows …

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