Question: Consider MOS transistors. 1) How do you minimize the leakage of mobile charges from the source/drain of a NMOS transistor and that of a

Consider MOS transistors. 1) How do you minimize the leakage of mobile

Consider MOS transistors. 1) How do you minimize the leakage of mobile charges from the source/drain of a NMOS transistor and that of a PMOS transistor to the bulk (substrate/n-well) (4 marks) ? 2) What are the modes of the operation of the transistors and the condition under which the transistors operate in these modes ? Identify these modes (regions) of the operation of the transistors in their ips ~UDS curve (6 marks). 3) MOS transistors can function as a linear resistor. Find the resistance of the resistor. Determine whether the resistance can be tuned by adjusting the voltages of the transistor or not (5 marks). 4) Determine whether transistors have a large transconductance in triode or saturation. Give your reasons ? (5 marks). 5) Consider a common-source amplifier with a resistor load Rp. Let the DC biasing voltage of the transistor be VGS. Find the optimal value of the load resistor such that the swing of the output voltage of the amplifier is maximized (10 marks).

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