1
GATE ECE 2008
MCQ (Single Correct Answer)
+2
-0.6
Two identical NMOS transistors M1 and M2 are connected as shown below. Vbias is
chosen so that both transistors are in saturation. The equivalent gm of the pair is
defined to be $$\frac{\partial I_{out}}{\partial v_i}$$
at constant Vout.
The equivalent gm of the pair is
![GATE ECE 2008 Electronic Devices and VLSI - IC Basics and MOSFET Question 34 English](https://gateclass.cdn.examgoal.net/examside/questions/126904634c89687ec9c069d8c4ef36f4dffdd2b0e28958b4be9b62e177609da7.jpg)
![GATE ECE 2008 Electronic Devices and VLSI - IC Basics and MOSFET Question 34 English](https://gateclass.cdn.examgoal.net/examside/questions/126904634c89687ec9c069d8c4ef36f4dffdd2b0e28958b4be9b62e177609da7.jpg)
2
GATE ECE 2008
MCQ (Single Correct Answer)
+2
-0.6
For the circuit shown in the following figure, transistors M1 and M2 are identical
NMOS transistors. Assume that M2 is in saturation and the output is unloaded
The current Ix is related to Ibias as
![GATE ECE 2008 Electronic Devices and VLSI - IC Basics and MOSFET Question 33 English](https://gateclass.cdn.examgoal.net/examside/questions/5ddcf6126b7d681a09c17a0e3ec7b84fd191c5d05aca50fa408471462be7e2d3.jpg)
3
GATE ECE 2008
MCQ (Single Correct Answer)
+2
-0.6
The measured transconductance gm of an NMOS transistor operating in the linear
region is plotted against the gate voltage VG at constant drain voltage VD. Which
of the following figures represents the expected dependence of gm on VG?
4
GATE ECE 2007
MCQ (Single Correct Answer)
+2
-0.6
In the CMOS inverter circuit shown, if the transconductance parameters of the
NMOS and PMOS transistors are
Kn = Kp = μnCOX$$\frac{W_n}{L_n}$$ = μpCOX$$\frac{W_P}{L_P}$$= 40 μA/V2 and their threshold voltages are VT = 1 V, the current I is:![GATE ECE 2007 Electronic Devices and VLSI - IC Basics and MOSFET Question 35 English](https://gateclass.cdn.examgoal.net/examside/questions/36550c1ad4f7b168d409575313f9368b8a9d5c4feaa83be9fe42a7366376f3da.jpg)
Kn = Kp = μnCOX$$\frac{W_n}{L_n}$$ = μpCOX$$\frac{W_P}{L_P}$$= 40 μA/V2 and their threshold voltages are VT = 1 V, the current I is:
![GATE ECE 2007 Electronic Devices and VLSI - IC Basics and MOSFET Question 35 English](https://gateclass.cdn.examgoal.net/examside/questions/36550c1ad4f7b168d409575313f9368b8a9d5c4feaa83be9fe42a7366376f3da.jpg)
Questions Asked from IC Basics and MOSFET (Marks 2)
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GATE ECE 2024 (1)
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GATE ECE Subjects
Signals and Systems
Representation of Continuous Time Signal Fourier Series Discrete Time Signal Fourier Series Fourier Transform Discrete Time Signal Z Transform Continuous Time Linear Invariant System Transmission of Signal Through Continuous Time LTI Systems Discrete Time Linear Time Invariant Systems Sampling Continuous Time Signal Laplace Transform Discrete Fourier Transform and Fast Fourier Transform Transmission of Signal Through Discrete Time Lti Systems Miscellaneous Fourier Transform
Network Theory
Control Systems
Digital Circuits
General Aptitude
Electronic Devices and VLSI
Analog Circuits
Engineering Mathematics
Microprocessors
Communications
Electromagnetics