GATE IN · 2019 · IN
Question 33: Analog Electronics
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Question 33
INMCQ2 marksNeeds review
A voltage amplifier is constructed using enhancement mode MOSFETs labeled M1, M2, M3 and M4 in the figure below. M1, M2 and M4 are n-channel MOSFETs and M3 is a p-channel MOSFET. All MOSFETs operate in saturation mode and channel length modulation can be ignored. The low frequency, small signal input and output voltages are
and
respectively and the dc power supply voltage is
. All n-channel MOSFETs have identical transconductance
while the p-channel MOSFET has transconductance
. The expressions for the low frequency small signal voltage gain
is 
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2019IN
GATE IN 2019 · Paper 1
Instrumentation Engineering · Original paper archive
- Section
- Instrumentation Engineering
- Question type
- Multiple choice (MCQ)
- Marks
- 2 marks
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