Question 4: Consider the differential pair in Figure below. All transi

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Question 4: Consider the differential pair in Figure below. All transistors are operate at Vov = 0.15 V:|Vt| = 0.25 V, μCox = 200 μA/V2, and VA = 10 V. VD = 0 at each M1 and M2 drain. a. Determine the value of RD and the (W/L) ratios of M1, M2, M3 and M4. b. What is the differential gain (Ad) of the circuit? c. What is the common mode gain (Acm) of the circuit?

Question 4: Consider the differential pair in Figure below. All transistors are operate at Vov = 0.15 V:|Vt| = 0.25 V, μCox = 200 μA/V2, and VA = 10 V. VD = 0 at each M1 and M2 drain. a. Determine the value of RD and the (W/L) ratios of M1, M2, M3 and M4. b. What is the differential gain (Ad) of the circuit? c. What is the common mode gain (Acm) of the circuit?

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Question 4: Consider the differential pair in Figure below. All transistors are operate at Vov

= 0.15 V : | V_{t} |

= 0.25 V, μ C_{o x} 200 μ A / V^{2}

, and

V_{A} = 10 V . V_{D} = 0

at each

M_{1}

and

M_{2}

drain. a. Determine the value of

R_{D}

and the (W/L) ratios of

M_{1}, M_{2}, M_{3}

and

M_{4}

. b. What is the differential gain

(A_{d})

of the circuit? c. What is the common mode gain

(A_{c m})

of the circuit?

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