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## GATE ECE 1994

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

In order to reduce the harmonic distortion in an amplifier, its dynamic range ha...
A common emitter transistor amplifier has a collector current of 1.0 mA when its...
The transit time of a current carriers through the channel of an FET decides its...
In the MOSFET amplifier shown in the fig. below, the transistor has $$\mu \,\, =... The frequency compensation is used in OP-Amps to increase its___________ Match the following. <p><b>GROUP-1</b> <br>(A) Hartley <br>(B) Wein-bridge <br>(... A class-A transformer coupled, transistor power Amplifier is required to delive... Find the output voltage of the following circuit assuming ideal op-amp behavior....$$v\left(t\right)\;=5\left[\cos\left(10^6\mathrm{πt}\right)\;-\;\sin\left(10^3\m...
The bandwidth required for the transmission of a PCM signal increases by a facto...
Tachometer feedback in a d.c. position control system enhances stability.
The poles of a continuous time oscillator are ___________.
If the open loop transfer function is a ratio of a numerator polynomial of degre...
Reduce the signal flow graph shown in fig. below, to obtain another graph which ...
The response of an LCR circuit to a step input is <br>(a) Over damped <br>(b) C...
Match the following with List-1 with List-2 <p><b>List-1</b> <br>(a) Very low re...
If G(s) is a stable transfer function, then $$F\left(s\right)=\frac1{G\left(s\ri... The 3-dB bandwidth of a typical second- order system with the transfer function ... The open loop frequency response of a system at two particular frequencies are g... A ring oscillator consisting of 5 inverters is running at a frequency of 1.0 MH... A Boolean function, F , given as sum of product (SOP) terms as F=$$\sum {} $$m(... Synchronous counters are _____ than the ripple counters. A PLA can be used A dynamic RAM consists of In the output stage of a standard TTL, we have a diode between the emitter of th... Match the List-1 (type of 8-bit ADC) with List-2(Minimum conversion time in cloc... <img src="https://gateclass.cdn.examgoal.net/examside/questions/39d36773e4089f9b... A load impedance (200 + j0)$$\Omega $$is to be matched to a 50$$\Omega $$loss... A plane electromagnetic wave traveling along the +z-direction, has its electric ... If a pure resistance load, when connected to a lossless 75-ohm line, produces a ... A wave traveling in the$$+Z$$-direction, is the resultant of two linearly polar... The interior of a$${{20} \over 3}\,\,cm\,\, \times \,\,{{20} \over 4}\,\,cm$$r... A rectangular hollow metal waveguide of internal cross-section of$$7.366\,\,cm\...
Two spacecrafts are separated by 3000 km. Each has a paraboloidal reflector ante...
For a dipole antenna
A p-type silicon sample has a higher conductivity compared to an n-type sample h...
A small concentration of minority carries is injected into a homogeneous se...
Channel current is reduced on application of a more positive voltage to the gate...
The transit time of the current carriers through the channel of an FET decides i...
The threshold voltage of an n-channel MOSFET can be increased by
The following system of equations <br>$${{x_1} + {x_2} + {x_3} = 3}$$ <br>$${{x... The rank of$$\left( {m \times n} \right)$$matrix$$\left( {m &lt; n} \right)$$... The function$$y = {x^2} + {{250} \over x}$$at$$x=5$$attains$$y = {e^{ - 2x}}$$is a solution of the differential equation$$\,{y^{11}} + {y...
Match each of the items $$A, B, C$$ with an appropriate item from $$1, 2, 3, 4$$...
Write down the sequence of Instructions which are actually (till HLT instruction...
<p>A generator of internal impedance, Z<sub>G</sub>, delivers maximum power to a...
A ramp voltage, v(t) = 100 t Volts, is applied to an RC differentiating circuit ...
The condition, that a 2-port network is reciprocal, can be expressed in terms of...
Write down the mesh equation of the following network in terms of i<sub>1</sub>(...
The circuit shown in the figure, is initially in its steady state. Switch is ope...
A series LCR circuit consisting of $$R = 10\Omega$$, $$\left| {{X_L}} \right|\,... Calculate the frequency at which zero- transmission is obtained from the Wien- b... Assuming that the amplifier shown in the Fig., below, is a voltage-controlled vo... The Fourier Series of an odd periodic function, contains only The laplace transform of a unit ramp function starting at t=a, is Indicate whether the following statement is TRUE/FALSE: Give reason for your a... Match each of the items A, B and C with an appropriate item from 1, 2, 3, 4 and ... Increased pulse-width in the flat-top sampling, leads to <img class="question-i... A signal, f(t) =$${e^{ - at}} u(t), where u(t) is the unit step function, is ...

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