List of top Electronics and Communication Engineering Questions

The purpose of a matched filter in a digital communication receiver is to _______.
The ability of a receiver to reproduce the exact replica of the transmitted signal at its output is described through its ________.
Shannon’s channel capacity theorem supports the concept and need of ________.
Slope overload distortion occurs in ________.
Pre-emphasis and De-emphasis are used in ________.
20dB/decade is equivalent to ________.
For the standard second order system, with two poles lying at 60° , damping ratio is _______.
Fastest Logic family is ________.
For an LTI system______________.
A 128 kbyte memory is to be realized using memory chips each with 8 address lines and 4 data lines. Number of memory chips required is ________.
A six Flip-Flop Serial-In-Serial-Out shift register connected in twisted ring configuration has ________.
For operating an n-channel JFET in pinch-off region, the condition needed to be satisfied is ________.
The movement of charge carriers due to charge carrier concentration gradient is called ________.
Back to back connected Zener diodes are used across the output terminals of a circuit to ________.
The advantage of twin tub process in CMOS fabrication is ________.
A half wave dipole at a frequency of 100 MHz has a length of ________.
The value of electric field at a distance of 1 m from an infinite line charge density 1 C/m is ________.
In a 16-ary PSK, the symbol rate is 10 kbps. The bit rate is ________.
Companding is used in PCM in order to ________.
Which of the following is the unit for Permeability?
In a PCM system, if the code word length is increased from 6 to 8 bits, the signal to quantization noise ratio improves by the factor ________.
Which of the following is the Laplace equation?
A pre-emphasis circuit provides extra noise-immunity by________.
The image channel selectivity of super heterodyne receiver depends upon ________.
A narrow band FM signal is generated using a phase modulator. The maximum deviation at the output of a phase modulator is about________.