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Calculate $A_v$ from below circuit.

Subject: CMOS VLSI Design

Topic: Single Stage Amplifier

Difficulty: Medium

cvd • 358  views
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$A_v$=?

Since $I_1$ introduces an infinite impedance, the gain is limited by the output resistance of $m_1$

$\therefore\,\, A_v=-gmr_0$

This is called as "intrinsic gain" of a transistor, this quantity represents the maximum voltage gain that can be achieved using single device.