D 8.44 Consider the CMOS amplifier of Fig. 8.16(a) when fabricated wit

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D 8.44 Consider the CMOS amplifier of Fig. 8.16(a) when fabricated with a process for which kn′ = 4kp′ = 400 μA/V2, |Vt| = 0.5 V, and |VA| = 5 V. Find IREF and (W/L)1 to obtain a voltage gain of −40 V/V and an output resistance of 100 kΩ. Recall that Q2 and Q3 are matched. If Q2 and Q3 are to be operated at the same overdrive voltage as Q1, what must their W/L ratios be?

D 8.44 Consider the CMOS amplifier of Fig. 8.16(a) when fabricated with a process for which kn′ = 4kp′ = 400 μA/V2, |Vt| = 0.5 V, and |VA| = 5 V. Find IREF and (W/L)1 to obtain a voltage gain of −40 V/V and an output resistance of 100 kΩ. Recall that Q2 and Q3 are matched. If Q2 and Q3 are to be operated at the same overdrive voltage as Q1, what must their W/L ratios be?

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D 8.44 Consider the CMOS amplifier of Fig. 8.16(a) when fabricated with a process for which

k_{n}^{'} = 4 k_{p}^{'} = 400 μ A / V^{2}

,

| V_{t} | = 0.5 V

, and

| V_{A} | = 5 V

. Find

I_{REF}

and

(W / L)_{1}

to obtain a voltage gain of

- 40 V / V

and an output resistance of

100 k Ω

. Recall that

Q_{2}

and

Q_{3}

are matched. If

Q_{2}

and

Q_{3}

are to be operated at the same overdrive voltage as

Q_{1}

, what must their W/L ratios be? (a)

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