1

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 $$\nabla $$

2

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

3

GATE ECE 2000

MCQ (Single Correct Answer)

+2

-0.6

For the 4 bit DAC shown in Figure, the output voltage $${V_0}$$ 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

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

Network Theory

Control Systems

Digital Circuits

General Aptitude

Electronic Devices and VLSI

Analog Circuits

Engineering Mathematics

Microprocessors

Communications

Electromagnetics