EC > Gate 2013 SET-2 > Amplifier Frequency Response
The ac schematic of an NMOS common-source stage is shown in the figure below, where part of the biasing circuits has been omitted for simplicity. For the n-channel MOSFET M, the transconductance gm = 1 mA/V, and body effect and channel length modulation effect are to be neglected. The lower cutoff frequency in Hz of the circuit is approximately at
A
8
B
32
C
50
D
200

Correct : a

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NMOS common-source stage EC GATE 2013 lower cutoff frequency MOSFET transconductance GATE EC cutoff frequency calculation EC gate 2013 MOSFET biasing circuits

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