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In: Electrical Engineering

Consider a pMOS transistor with VTH = –0.5 V, Kp = 40μA/V2 , length, L =...

Consider a pMOS transistor with VTH = –0.5 V, Kp = 40μA/V2 , length, L = 0.25μm, and width, W = 1.25μm.

(a) Given that VSG = 1V, determine the range of values of VSD for which the device is in the saturation region.

(b) Given that VSG = 1V, determine the range of values of VSD for which the device is in the triode/linar region.

(c) Plot ISD vs VSG for operation in the saturation region. Ignore channel length modulation i.e. assume that λ = 0.

For the following parts, you will try to “bias” the transistor to meet your needs i.e. choose VSG and VSD. Assume length, L = 0.25μm, and width, W = 1.25μm.

(d) What VSG should you use such that the transistor is in saturation and ISD = 252μA? Assume that λ = 0.

(e) For VSG should you use that the transistor is in triode region and its ON resistance is ron = 3kΩ?

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