Analog Circuits-Single-Stage BJT and MOSFET Amplifiers [GATE (Graduate Aptitude Test in Engineering) Electronics]: Questions 1 - 4 of 48

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Question 1

Analog Circuits Single-Stage BJT and MOSFET Amplifiers Biasing, Bias Stability

Appeared in Year: 2007

Question MCQ▾

For the BJT circuit shown, assume that the of the transistor is very large and . The mode of operation of the BJT is

Choices

Choice (4)		Response
a.	Reverse active
b.	Saturation
c.	Normal active
d.	Cut-off

Edit

Passage

In the following transistor circuit, and and all the capacitances are very large

The Circuit Consists of Transistor, Capacitors and Resistors

Question 2 (1 of 1 Based on Passage)

Analog Circuits Single-Stage BJT and MOSFET Amplifiers Mid-Frequency Small Signal Analysis and Frequency Response

Appeared in Year: 2008

Question MCQ▾

The mid-band voltage gain of the amplifier is approximately

Choices

Choice (4)		Response
a.	- 90
b.	- 120
c.	- 180
d.	- 60

Edit

Question 3

Analog Circuits Single-Stage BJT and MOSFET Amplifiers Mid-Frequency Small Signal Analysis and Frequency Response

Appeared in Year: 2013

Question MCQ▾

The ac schematic of an NMOS common-source state 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 = 1 mA/V, and body effect and channel length modulation effect are to be neglected. The lower cut-off frequency in HZ of the circuit is approximately at