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.
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
A
flash type
B
counting type
C
integrating type
D
successive approximation type.
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)

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. GATE ECE 1990 Digital Circuits - Analog to Digital and Digital to Analog Converters Question 9 English 1 GATE ECE 1990 Digital Circuits - Analog to Digital and Digital to Analog Converters Question 9 English 2 GATE ECE 1990 Digital Circuits - Analog to Digital and Digital to Analog Converters Question 9 English 3
A
Both (i) and (ii)
B
Both (i) and (iii)
C
Only (iii)
D
Only (ii)
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