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## GATE ECE 1995

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

A BJT is said to be operating in the saturation region if
<p>A transistor having $$\alpha$$ = 0.99 and V<sub>BE</sub> = 0.7 V, is used in ...
An Amplifier has an open-loop gain of 100 and its lower and upper-cut-off freque...
An RC-Coupled Amplifier is assumed to have a single-pole low frequency transfer ...
An n-channel JFET has I<sub>DSS</sub> = 1 mA and V<sub>p</sub> = -5 V. Its maxim...
In the JFET circuit shown in Fig assume that R<sub>1</sub>||R<sub>2</sub> = 1 M\$...
In the given circuit if the voltage inputs V- and V+ are to be Amplified by the ...
A change in the value of the Emitter resistance (R<sub>e</sub> in a difference A...
An op-Amp is used as a zero-crossing detector. If maximum output available from ...
To obtain very high input and output impedances in a feedback Amplifier, the mos...
The circuit shown, the figure supplies power to on 8 v speaker or L.S. The vaLUE...
A power Amplifier delivers 50 W output at 50% efficiency. The ambient temperatur...
Shown that the system in Fig. is a double integrator. In other words, prove that...
If the number of bits per sample in a PCM system is increased from n to ...
The signal to quantization noise ratio in an n-bit PCM system
For a narrow band noise with Gaussian quadrature and inphase components, the pro...
The transfer function of a linear system is the
Signal flow graph is used to find
For a second order system, damping ratio $$\left(\xi\right)$$ , is 0 &lt; $$\xi... The final value theorem is used to find the The step error coefficient of a system G(s)=$$\frac1{\left(s+6\right)\left(s+1\r...
If $$L\left(f\left(t\right)\right)=\frac{2\left(s+1\right)}{s^2+2s+5}$$ then f(0...
Non - minimum phase transfer function is defined as the transfer function
A 'code converter' is to be designed to convert from the BCD(5421) to the normal...
The minimum number of NAND gates required to implement the Boolean function $$A ... A ROM is to be used to implement the Boolean functions given below: <br>$${F_1}...
The output of the circuit shown in figure is equal to <img class="question-image...
A switch-tail ring counter is made by using a single D flip-flop. The resulting ...
An R-S latch is
The minimum number of MOS transistors required to make a dynamic RAM cell is
The intrinsic impedance of a lossy dielectric medium is given by
Copper behaves as a
The electric field strength at a distance point, P, due to a point charge, +q, l...
In the infinite plane, y = 6 m, there exists a uniform surface charge density of...
A rectangular hollow metal waveguide is required to be so designed to propagate ...
An antenna when radiating, has a highly directional radiation pattern. When the ...
Two dipoles are so fed and oriented in free space that they produce the followin...
The probability that an electron in a metal occupies the Fermi-level ...
The drift velocity of electrons in silicon
The diffusion potential across a P-N junction
A zener diode works on the principle of
The depletion capacitance, C<sub>J</sub>, of an abrupt P-N junction with constan...
In a P-type silicon sample, the hole concentration is $$2.25\times10^{15}/cm^3$$...
The breakdown voltage of a transistor with its base open is BV<sub>CEO</sub> wit...
A BJT is said to be operating in the saturation region if
The Early-Effect in a bipolar junction transistor is caused by
The Ebers-Moll model is applicable to
By reversing the order of integration $$\int\limits_0^2 {\int\limits_{{x^2}}^{2x... The third term in the taylor's series expansion of$${e^x}$$about$$'a'$$would... If$$L\left\{ {f\left( t \right)} \right\} = {{2\left( {s + 1} \right)} \over {{...
In a microprocessor, when a CPU is interrupted, it
An 'Assembler' for a microprocessor a used for
<p>Two 2H inductance coils are connected in series and are also magnetically cou...
<p>The value of the resistance, R, connected across the terminals, A and B, (ref...
<p>Determine the current, i(t), in the circuit given below, (Fig.), using the Th...
A DC voltage source is connected across a series R-L-C circuit. Under steady-sta...
Consider a DC voltage source connected to a series R-C circuit. When the steady-...
A series $$R$$-$$L$$-$$C$$ circuit has a $$Q$$ of $$100$$ and an impedance of $$... The current$$i(t)$$through a$$10$$-$$\Omega $$resistor in series with an ind... Find the current-transfer-ratio,$${{I_2}}$$/$${{I_1}}$$, for the network shown ... Show that the system shown in Fig. is a double integator. In other words, prove ... For the 2-port network shown in Fig. determine the h-parameters. Using these par... The final value theorem is used to find the If L$$\left[ {f\left( t \right)} \right]$$=$${{2\left( {s + 1} \right)} \over ...
A sinsoidal signal, v(t) = A sin(t), is applied to an ideal full-wave rectifier...
The transfer function of a linear system is the
Let h(t) be the impulse response of a linear time invariant system. Then the res...
Non - minimum phase transfer function is defined as the transfer function
A signal v(t)= [1+ m(t) ] cos $$({\omega _c}t)$$ is detected using a square law ...
A 1.0 kHz signal is flat - top sampled at the rate of 1800 samples/sec and the s...
Match each of the items, A, B and C, with an appropriate item from 1, 2, 3, 4 an...

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