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 $$R\, = \,10k\Omega $$

$${V_{R\,}}\, = \,10V$$ and $$R\, = \,10k\Omega $$

The current i is

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 $$R\, = \,10k\Omega $$

$${V_{R\,}}\, = \,10V$$ and $$R\, = \,10k\Omega $$

The voltage V_{0} is

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 V

_{0}=?In the figure shown above, the ground has been shown by the symbol $$\nabla $$

4

GATE ECE 2003

MCQ (Single Correct Answer)

+2

-0.6

The circuit shown in figure is a 4-bit DAC
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

The specification (rounded to the nearest multiple of 5%) for the tolerance of the DAC is

Questions Asked from Analog to Digital and Digital to Analog Converters (Marks 2)

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 Fourier Transform Continuous Time Signal Laplace Transform Discrete Time Signal Fourier Series Fourier Transform Discrete Fourier Transform and Fast Fourier Transform Discrete Time Signal Z Transform Continuous Time Linear Invariant System Discrete Time Linear Time Invariant Systems Transmission of Signal Through Continuous Time LTI Systems Sampling Transmission of Signal Through Discrete Time Lti Systems Miscellaneous

Communications

Electromagnetics

General Aptitude