1
GATE ECE 2009
MCQ (Single Correct Answer)
+1
-0.3
The full forms of the abbreviations TTL and COMS in reference to logic families are
2
GATE ECE 2005
MCQ (Single Correct Answer)
+1
-0.3
The transistors used in a portion of the TTL gate shown in figure have β=100. the base-emitter voltage of is 0.7V for a transistor in active region and 0.75V for a transistor in saturation . If the sink current I=1mA and the output is at logic 0,
then the current $${I_R}$$ I will be equal to
![GATE ECE 2005 Digital Circuits - Logic Families Question 12 English](https://gateclass.cdn.examgoal.net/examside/questions/3a9f282547dc94830e272205df13934395d659024fb2d8e23e35d4994312a9a1.jpg)
![GATE ECE 2005 Digital Circuits - Logic Families Question 12 English](https://gateclass.cdn.examgoal.net/examside/questions/3a9f282547dc94830e272205df13934395d659024fb2d8e23e35d4994312a9a1.jpg)
3
GATE ECE 2005
MCQ (Single Correct Answer)
+1
-0.3
Both transistors T1 and T2 in figure have a threshold voltage of 1 Volt. The device parameters $${K_1}$$ and $${K_2}$$ of $${T_1}$$ and $${T_2}$$ are, respectively, 36 µA/ $${V^2}$$ and
and 9$$9\,A/{V^2}$$. The output voltage $${V_0}$$ IS
![GATE ECE 2005 Digital Circuits - Logic Families Question 10 English](https://gateclass.cdn.examgoal.net/examside/questions/d009e1bafc8f4eaa7ab9b1f17eeb76297fbb3aec0884cbcafa8295a326fea0eb.jpg)
4
GATE ECE 2004
MCQ (Single Correct Answer)
+1
-0.3
Figure shows the internal schematic of a TTL AND-OR-Invert (AOI) gate. For the inputs shown in Figure, the output Y is
![GATE ECE 2004 Digital Circuits - Logic Families Question 13 English](https://gateclass.cdn.examgoal.net/examside/questions/47942f053a8a55a4c70e4b68d97238a62d99b6ff1130041e048ff7c793212361.jpg)
Questions Asked from Logic Families (Marks 1)
Number in Brackets after Paper Indicates No. of Questions
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