For the MOSFET differential pair amplifier circuit shown below, ISS =

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For the MOSFET differential pair amplifier circuit shown below, ISS = 50 μA, RSS = 100 kΩ, μnCox = 500 μA/V2, μpCox = 100 μA/V2, λn = 0.05 V−1, λp = 0.05 V−1, (W/L)n = 10/2, and (W/L)p = 50/2: a) Determine the small-signal differential mode gain of the circuit, Av,DM. (5 points). b) Determine the small-signal common mode gain of the circuit, Av,CM. (5 points). c) Determine the small-signal common-mode to differential-mode conversion gain of the circuit, ACM−DM, if transistor M2 is mismatched such that (W/L)2 = 10/1.9. (10 points) d) Determine the common-mode rejection ratio of the circuit, CMRR. (5 points)

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For the MOSFET differential pair amplifier circuit shown below,

I_{S S} = 50 μ A, R_{S S} = 100 k Ω, μ_{n} C_{o x}

= 500 μ A / V^{2}, μ_{p} C_{o x} = 100 μ A / V^{2}, λ_{n} = 0.05 V^{- 1}, λ_{p} = 0.05 V^{- 1}, (W / L)_{n} = 10 / 2

, and

(W / L)_{p} = 50 / 2

: a) Determine the small-signal differential mode gain of the circuit,

A_{v, D M}

. (5 points). b) Determine the small-signal common mode gain of the circuit,

A_{v, C M}

. (5 points). c) Determine the small-signal common-mode to differential-mode conversion gain of the circuit,

A_{C M - D M}

, if transistor

M_{2}

is mismatched such that

(W / L)_{2} = 10 / 1.9

. (10 points) d) Determine the common-mode rejection ratio of the circuit,

C M R R

. (5 points)

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