NEW
New Website Launch
Experience the best way to solve previous year questions with mock tests (very detailed analysis), bookmark your favourite questions, practice etc...

## GATE ECE 1989

Exam Held on Thu Jan 01 1970 00:00:00 GMT+0000 (Coordinated Universal Time)
Click View All Questions to see questions one by one or you can choose a single question from below.

## GATE ECE

Of the four biasing circuits shown in Fig. For a BJT, indicate the one which can...
The feedback amplifier shown in Fig.has: <img class="question-image" src="https:...
Refer to Fig. <img class="question-image" src="https://gateclass.cdn.examgoal.ne...
In binary data transmission DPSK is preferred to PSK because
A signal of bandwidth 3.5 kHz has peak-to-peak and rms amplitudes of 4 V and 0.2...
For the input signal, x(t), shown in Fig. <p> (a) Sketch the impulse response, h...
A source produces 4 symbols with probabilities $${1 \over 2},\,{1 \over 4},\,{1 ... Zero mean Gaussian noise of variance N is applied to a half wave rectifier. The ... A part of a communication system consists of an amplifier of effective noise tem... In order to stabilize the system shown in fig. T<sub>i</sub> should satisfy: <im... From the Nicholas chart, one can determine the following quantities pertaining t... Nyquist plot consider a feed back system where the OLTF is:$$G(s) = {1 \over {s...
Indicate which of the following logic gates can be used to realize all possible ...
Among the digital IC-families-ECL, TTL and CMOS:
A logic family has threshold voltage $${V_T}$$= 2V, minimum guaranteed output hi...
A chemical reactor has three sensors indicating the following conditions:- <br> ...
The skin - depth of copper at a frequency of $$3 GHz$$ is $$1$$ micron ($${{{10}... A 50 ohm lossless transmission line has a pure reactance of (j100) ohms as its l... The electric field strength at a far-off point P due to a point charge + q, loca... Two vertically oriented half wave dipoles are spaced 1.5 wavelengths apart to fr... In the case of ground wave propagation, at far-off distances from the transmitti... Design a rectangilar hollow metal waveguide to operate in the X-band such that a... In a microprocessor system, the stack is used for <p>In the circuit of figure, the power dissipated in the register R is 1W when o... <p>A load, Z<sub>L</sub> = R<sub>L</sub> + jX<sub>L</sub> is to be matched, usin... <p>A 10 Ω resistor, a 1 H inductor and 1$$\mathrm{μF} capacitor are connected...
The condition AD - BC = 1 for a two-port network implies that the network is a
The condition AD - BC = 1 for a two-port network implies that the network is a
For the transfer function of a physical two-port network
The half - power bandwidth of the resonant circuit of figure can be increased by...

### Joint Entrance Examination

JEE Main JEE Advanced WB JEE

### Graduate Aptitude Test in Engineering

GATE CSE GATE ECE GATE EE GATE ME GATE CE GATE PI GATE IN

NEET

Class 12