1
GATE ECE 1998
Subjective
+1
-0
For an ADC, match the following : if
List 1
A. Flash converter
B. Dual slope converter
C. Successive approximation Converter List 2
1. requires a conversion time of the order of a few seconds
2. requires a digital- to- analog converter
3. minimizes the effect of power supply interference.
4. requires a very complex hardware.
5. It is a tracking A/D converter.
List 1
A. Flash converter
B. Dual slope converter
C. Successive approximation Converter List 2
1. requires a conversion time of the order of a few seconds
2. requires a digital- to- analog converter
3. minimizes the effect of power supply interference.
4. requires a very complex hardware.
5. It is a tracking A/D converter.
2
GATE ECE 1996
MCQ (Single Correct Answer)
+1
-0.3
A 12-bit ADC is operating with a 1$$\mu $$ sec clock period and the total conversion time is seen to be 14 $$\mu $$ sec. The ADC must br of the
3
GATE ECE 1994
Subjective
+1
-0
Match the List-1 (type of 8-bit ADC) with List-2(Minimum conversion time in clock cycles)
A. Successive approximation
B. Dual-slope
C. Parallel Comparator
1) 1
2) 8
3) 16
4) 256
5) 512
List - 1
A. Successive approximation
B. Dual-slope
C. Parallel Comparator
List - 2
1) 1
2) 8
3) 16
4) 256
5) 512
4
GATE ECE 1990
MCQ (Single Correct Answer)
+1
-0.3
Which of the resistance networks of figure can be used as 3 bit R-2R ladder DAC. Assume $${V_0}$$ corresponds to LSB.
Questions Asked from Analog to Digital and Digital to Analog Converters (Marks 1)
Number in Brackets after Paper Indicates No. of Questions
GATE ECE Subjects
Network Theory
Control Systems
Electronic Devices and VLSI
Analog Circuits
Digital Circuits
Microprocessors
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
Communications
Electromagnetics
General Aptitude