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The circuit below is the characterization for the amplifier as a functional block. The value of the voltage gain (Av) for the common source with source resistance (represented by A1) and common gate configuration (represented by A2) are related to each other by

The circuit below is the characterization for the amplifier as a functional block. The value of the voltage gain (Av) for the common source with source resistance (represented by A1) and common gate configuration (represented by A2) are related to each other by Correct Answer A1 2

A1 = – gm(RL||RD)/ 1 + gmRS and A2 = gm(RL||RD) Reference figure for common source with source resistance configuration Reference figure for common gate configuration

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