1.

Neglecting Channel Length Modulation, if the transconductance of the MOSFET increases, the gain of the follower stage will _________(a) decreases(b) increases(c) doesn’t get affected(d) doublesI had been asked this question in my homework.Question is from MOSFET Amplifier with CD Configuration topic in division FET Amplifiers of Analog Circuits

Answer»

The correct choice is (b) INCREASES

The best I can explain: The gain of the follower stage is given by Rs/(1/GM + Rs). Hence, we READILY conclude that if the TRANSCONDUCTANCE (gm) increases, the gain will increase.



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