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GATE ECE 1993

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

The bandwidth of an n-stage tuned amplifier, with each stage having a band width...
For the amplifier circuit of figure, the transistor has a $$\mathrm\beta$$ of 80...
In a multi-stage RC-Coupled Amplifier the coupling capacitor.
Negative feedback in Amplifiers.
In a transistor push-pull Amplifier
For the ideal Op-Amp circuit of fig. Determine the output voltage V<sub>0</sub> ...
Find the output voltage, V<sub>0</sub> in the following circuit assuming that th...
Which of the following demodulator(s) can be used for demodulating the signal $$...
A superheterodyne radio receiver with an intermediate frequency of 455 KHz is tu...
If $$s^3+\;3s^2\;+\;4s\;+A\;=\;0$$ ,then all the roots of this equation are in t...
2’s complement representation of a 16-bit number (one sign bit and 15 magnitude ...
Boolean expression for the output of XNOR (equivalence) logic gate with inputs A...
For the logic circuit shown in Figure, the output is equal to <img class="questi...
The truth table for the output Y in terms of three inputs A, B and C are given i...
Signals A,B,C,D and $$\overline D $$ are available. Using a single 8 - to - 1 mu...
A pulse train with a frequency of 1 MHz is counted using a modulo-1024 ripple-co...
<p>Given,$$\overrightarrow V=x\cos^2y\;\;\widehat{\mathrm i}\;+\;\mathrm x^2\mat...
A material is described by the following electrical parameters at a frequency of...
Consider a transmission line of characteristic impedance 50 ohm. Let it be termi...
A plane wave is incident normally on a perfect conductor as shown in Fig. Here $...
Match the following descriptions with each of the diagrams given in Fig. Fields ...
Consider an array of two non-directional radiators with spacing $$d\,\, = \,\,0....
An optical fiber consists of a cylindrical dielectric rod of refractive index $$...
The built-in potential (Diffusion Potential) in a p-n junction
If the linear velocity $${\overrightarrow V }$$ is given by $$\overrightarrow V ...
Given the differential equation $${y^1} = x - y$$ with initial condition $$y(0)=...
In a microcomputer, wait states are used to
In a microprocessor, the register which holds the address of the next instructio...
<p>A dc circuit shown in figure has a voltage source V, a current source I and s...
<p>A network contains linear resistors and ideal voltage sources. If values of a...
<p> The two electrical sub-network N<sub>1</sub> and N<sub>2</sub> are connecte...
<p>If the secondary winding of the ideal transformer shown in the circuit of the...
In the series circuit shown in figure, for series resonance, the value of the co...
In the circuit of figure, when switch S1 is closed, the ideal ammeter M<sub>1</...
An infinite grid is built up by connecting resistors in the manner indicated in ...
In the following circuit the capacitance varies as C = KQ, where K is a constant...
In figure, A<sub>1</sub>, A<sub>2</sub> and A<sub>3</sub> are ideal ammeters. If...
If $$F\left( s \right) = L\left[ {f\left( t \right)} \right] = {K \over {...
The Laplace transform of the periodioc function f(t) describe4d by the curve bel...
Consider the following interconnection of the three LTI systems (Fig.1). $${h_1}...
Sketch the waveform (with properly marked axes) at the output of a matched filte...
Obtain an expression for the signal in figure, for the signal $${v_3}(t)$$ in F...
A low pass signal m(t) band-limited to B Hz is sampled by a periodic rectangular...

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