List of top Questions asked in Andhra Pradesh Post Graduate Engineering Common Entrance Test

The ability of a receiver to reproduce the exact replica of the transmitted signal at its output is described through its ________.

The multiple access method used in Global Positioning Systems is ________.

Shannon’s channel capacity theorem supports the concept and need of ________.

Fastest Logic family is ________.

For the standard second order system, with two poles lying at 60° , damping ratio is _______.

20dB/decade is equivalent to ________.

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 ________.

For operating an n-channel JFET in pinch-off region, the condition needed to be satisfied is ________.

The advantage of twin tub process in CMOS fabrication 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 ________.

A six Flip-Flop Serial-In-Serial-Out shift register connected in twisted ring configuration has ________.

In a 16-ary PSK, the symbol rate is 10 kbps. The bit rate is ________.

The value of electric field at a distance of 1 m from an infinite line charge density 1 C/m is ________.

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 ________.

Companding is used in PCM in order to ________.

Which of the following is the unit for Permeability?

Which of the following is the Laplace equation?

A half wave dipole at a frequency of 100 MHz has a length of ________.

A band-limited signal is sampled at the Nyquist rate. The signal can be recovered by passing the samples through________.

A narrow band FM signal is generated using a phase modulator. The maximum deviation at the output of a phase modulator is about________.

A pre-emphasis circuit provides extra noise-immunity by________.

To save transmitted power, the carrier of an AM signal obtained by sinusoidal modulation to a depth of modulation equal to 1, has been recovered. The percentage saving in power is________.

If system has multiple poles on \( j\omega \)-axis, the system is________.