8.9. Amplifier Gain with Differential and Common-Mode Inputs
For inputs at either or both gates, there exists a common-mode and differential-mode voltage. These are, for applied voltages Vg1 and Vg2, common mode
Equation 8.48
and differential mode
Equation 8.49
Based on these definitions, the output, for example, Vd1, for a given set of inputs is
Equation 8.50
where avd1 and avcm are (8.23) and (8.26) (with RD1), respectively. For the ...
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