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GATE ECE 1989

Exam Held on Thu Jan 01 1970 00:00:00 GMT+0000 (Coordinated Universal Time)
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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...

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