1
GATE ECE 2007
MCQ (Single Correct Answer)
+2
-0.6
In the digital-to-Analog converter circuit shown in the figure below,
$${V_{R\,}}\, = \,10V$$ and $$R\, = \,10k\Omega $$ GATE ECE 2007 Digital Circuits - Analog to Digital and Digital to Analog Converters Question 5 English

The current i is

A
$$31.25\,\mu {\rm A}$$
B
$$62.5\,\mu {\rm A}$$
C
$$125\,\mu {\rm A}$$
D
$$250\,\mu {\rm A}$$
2
GATE ECE 2007
MCQ (Single Correct Answer)
+2
-0.6
In the digital-to-Analog converter circuit shown in the figure below,
$${V_{R\,}}\, = \,10V$$ and $$R\, = \,10k\Omega $$ GATE ECE 2007 Digital Circuits - Analog to Digital and Digital to Analog Converters Question 4 English

The voltage V0 is

A
-0.781V
B
-1.562V
C
-3.125V
D
-6.250V
3
GATE ECE 2006
MCQ (Single Correct Answer)
+2
-0.6
A 4-bit D/A converter is connected to a free-running 3-bit UP counter, as shown in the following figure. Which of the following waveforms will be observed at V0=? GATE ECE 2006 Digital Circuits - Analog to Digital and Digital to Analog Converters Question 6 English

In the figure shown above, the ground has been shown by the symbol $$\nabla $$

A
GATE ECE 2006 Digital Circuits - Analog to Digital and Digital to Analog Converters Question 6 English Option 1
B
GATE ECE 2006 Digital Circuits - Analog to Digital and Digital to Analog Converters Question 6 English Option 2
C
GATE ECE 2006 Digital Circuits - Analog to Digital and Digital to Analog Converters Question 6 English Option 3
D
GATE ECE 2006 Digital Circuits - Analog to Digital and Digital to Analog Converters Question 6 English Option 4
4
GATE ECE 2003
MCQ (Single Correct Answer)
+2
-0.6
The circuit shown in figure is a 4-bit DAC GATE ECE 2003 Digital Circuits - Analog to Digital and Digital to Analog Converters Question 10 English The input bits 0 and 1 are represented by 0 and 5 V respectively. The OP- AMP is ideal, but all the resistances and the 5V inputs have a tolerance of ±10%.
The specification (rounded to the nearest multiple of 5%) for the tolerance of the DAC is
A
± 35%
B
± 20%
C
± 10%
D
± 5%
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