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GATE ECE 1990

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

Which of the following statements are correct for basic transistor Amplifier con...
For good stabilized biasing of the transistor of the CE Amplifier of fig, we sho...
If the input to the circuit of figure is a sine wave the output will be. <img cl...
The Op-Amp of fig has a very poor open loop voltage gain of 45 but is otherwise ...
The CMRR of the differential Amplifier of the fig is equal to <img class="quest...
In a BPSK signal detector, the local oscillator has a fixed phase error of 20<su...
An image uses $$512\, \times \,512$$ picture elements. Each of the picture eleme...
The steady state error of a stable 'type 0' unity feedback system for a unit ste...
An electromechanical closed-loop control system has the following characteristic...
The transfer function of a simple RC network functioning as a controller is: $$... A system is characterized by the following state-space equations: <img class="qu... The number of Boolean functions that can be generated by n variable is equal to:... The minimum function that can detect a "divisible by 3" 8421 BCD code digit (r... A 4 bit modulo-16 ripple counter uses JK flip-flops. If the propagation delay of... Which of the resistance networks of figure can be used as 3 bit R-2R ladder DAC.... The incoming solar radiation at a place on the surface of the earth is 1.2 KW/m<... A 200 volt (r. m. s) generator having an internal resistance of 200 ohm is feedi... Which of the following field equations indicate that the free magnetic charges d... Choose the correct statements. <br> For a wave propagating in an air filled rect... A 300 MHz plane E.M. wave is propagating in free space. The wave is in... Two isotropic antennas are separated by a distance of two wavelengths. If both t... In a junction diode <p>If the Laplace transform of the voltage across a capacitor of value of$$\fra...
The switch $$S$$ in figure is thrown to position $$'a'$$ at $$t = 0$$. At $$t = ... The resonant frequency of this series circuit shown in figure is <img class="qu... The transfer function of simple RC network functioning as a controller is$$$G\... The Z-transform of the following real exponential sequence: <br> x(nT) =$\${a^n}...
The response of an initially relaxed linear constant parameter network to a unit...
The impulse response and the excitation function of a linear time invariant casu...
The magnitude and phase transfer functions for a distortionless filter should re...
A 4 GHz carrier is DSB-SC modulated by a low pass message signal with maximum fr...

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