Calculate the small signal voltage gain of the CS amplifier if IBIAS =

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Calculate the small signal voltage gain of the CS amplifier if IBIAS = 1 mA, RD = 1 kΩ, RL = 2 kΩ and VDD = 2.5 V NMOS has VT = 0.5 V, μnCox = 100 μA/V2, W/L = 10 μm/0.18 μm and λ = 0 Determine VBIAS such that the NMOS transistor operates in saturation if the minimum required voltage drop of the current source is 0.5 V Solution: Av = −2.2 V/V and 1.6 V ≤ VBIAS ≤ 2 V

Calculate the small signal voltage gain of the CS amplifier if IBIAS = 1 mA, RD = 1 kΩ, RL = 2 kΩ and VDD = 2.5 V NMOS has VT = 0.5 V, μnCox = 100 μA/V2, W/L = 10 μm/0.18 μm and λ = 0 Determine VBIAS such that the NMOS transistor operates in saturation if the minimum required voltage drop of the current source is 0.5 V Solution: Av = −2.2 V/V and 1.6 V ≤ VBIAS ≤ 2 V

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Calculate the small signal voltage gain of the CS amplifier if

I_{B I A S} = 1 m A, R_{D} = 1 k Ω, R_{L} = 2 k Ω

and

V_{D D} = 2.5 V

NMOS has

V_{T} = 0.5 V, μ_{n} C_{o x} = 100 μ A / V^{2}, W / L = 10 μ m / 0.18 μ m

and

λ = 0

Determine

V_{B I A S}

such that the NMOS transistor operates in saturation if the minimum required voltage drop of the current source is

0.5 V

Solution:

A_{v} = - 2.2 V / V

and

1.6 V \leq V_{B I A S} \leq 2 V

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