What is the dc voltage at the input

Reference no: EM131021969

The feedback current amplifier in Fig. utilizes two identical NMOS transistors sized so that at ID = 0.2 Ma they operate at VOV = 0.2 V. Both devices have Vt = 0.5 V and VA = 10 V.

(a) If Is has zero dc component, show that both Q1 and Q2 are operating at ID = 0.2 mA. What is the dc voltage at the input?

(b) Find gm and ro for each of Q1 and Q2.

(d) Find the value of β.

(e) Find Aβ and Af .

(f) Find Rin and Rout .

Reference no: EM131021969

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