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Analog Circuits
Bipolar Junction Transistor
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FET and MOSFET
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Oscillators
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Operational Amplifier
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555 Timer
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Frequency Response
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Diodes
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Feedback Amplifier
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Power Amplifier
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1
GATE ECE 2006
MCQ (Single Correct Answer)
+2
-0.6
An n-channel depletion MOSFET has following two points on its ID - VGS curve:

(i)VGS = 0 at Id = 12 mA and
(ii)VGS = -6 Volts at Zo =$$\infty $$

Which of the following Q-points will give the highest transconductance gain for small signals?

A
$${V_{GS\,}}\, = - 6\,Vots$$
B
$${V_{GS\,}}\, = - 3\,Vots$$
C
$${V_{GS\,}}\, = 0\,Vots$$
D
$${V_{GS\,}}\, = 3\,Vots$$
2
GATE ECE 2005
MCQ (Single Correct Answer)
+2
-0.6
Given
$${r_d} = 20K\Omega ,\,\,{I_{DSS}}\, = \,10mA,\,\,{V_P} = - 8V$$ GATE ECE 2005 Analog Circuits - FET and MOSFET Question 20 English

Zi and Zo of the circuit are respectively

A
2 $$M\Omega $$ and 2 $$K\Omega $$
B
2 $$M\Omega $$ and 20/11 $$K\Omega $$
C
infinity and 2 $$M\Omega $$
D
infinity and 20/11$$M\Omega $$
3
GATE ECE 2005
MCQ (Single Correct Answer)
+2
-0.6
For an n-channel MOSFET and its transfer curve shown in the figure, the threshold voltage is GATE ECE 2005 Analog Circuits - FET and MOSFET Question 17 English 1 GATE ECE 2005 Analog Circuits - FET and MOSFET Question 17 English 2
A
1 V and the device is in active region
B
-1 V and the device is in saturation region.
C
1 V and the device is in saturation region.
D
-1 V and the device is in active region.
4
GATE ECE 2005
MCQ (Single Correct Answer)
+2
-0.6
Given
$${r_d} = 20K\Omega ,\,\,{I_{DSS}}\, = \,10mA,\,\,{V_P} = - 8V$$ GATE ECE 2005 Analog Circuits - FET and MOSFET Question 19 English

ID and VDS under DC conditions are respectively

A
5.625 mA and 8.75 V
B
7.500 mA and 5.00V
C
4.500 mA and 11.00V
D
6.250 mA and 7.50V
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Questions Asked from Marks 2
GATE ECE 2025 (1) GATE ECE 2024 (2) GATE ECE 2022 (2) GATE ECE 2013 (1) GATE ECE 2006 (1) GATE ECE 2005 (4) GATE ECE 2003 (1) GATE ECE 2002 (1) GATE ECE 1992 (2)
GATE ECE Subjects
Signals and Systems
Network Theory
Control Systems
Digital Circuits
General Aptitude
Electronic Devices and VLSI
Analog Circuits
Engineering Mathematics
Microprocessors
Communications
Electromagnetics