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## GATE ECE 1992

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

If the transistors in fig. has high value of β and a v<sub>BE</sub> of 0.65, ...
An n-channel JFET has a pinch-off voltage of V<sub>p</sub> = -5V. V<sub>DS</sub...
The JFET in the circuit shown in fig. has an I<sub>DSS</sub> = 10mA and V<sub>p<...
Assume that the operational amplifier in figure is deal the current I through th...
The circuit of fig. uses an ideal OP_Amp for small positive values of V<sub>in</...
An Op-Amp has an offset voltage of 1mV and is ideal in all other respects. If th...
Consider the circuit shown in Fig. The circuit uses an ideal operational amplifi...
The maximum power efficiency of an AM modulator is
The bit stream 01001 is differentially encoded using 'Delay and Ex OR' scheme fo...
Coherent demodulation of FSK signal can be effected using
Source encoding in a data communication system is done in order to
For a random variable 'X' following the probability density function, p (x), sho...
Given a unity feedback system with open loop transfer function, $$G\left(s\righ... Block diagram model of a position control system is shown in figure. <img alt="g... Bode plot of a stable system is shown in fig. The transfer function of the syste... A unity feedback system has open-loop transfer function$$G(s) = {1 \over {s\lef...
A process with open-loop model $$G(s) = {{K{e^{ - s{\tau _d}}}} \over {\tau s +... A linear time-invariant system is described by the state variable model$$$\left... The logic realized by the circuit shown in figure is <img class="question-image"... A combinational circuit has three inputs A, B and C and an output F. F is true ... The initial contents of the 4-bit serial-in-parallel-out, right-shift, Shift Reg... Choose the correct satatement(s) from the following: The figure shows the circuit of a gate in the Resistor Transistor Logic (RTL) fa... A new clocked "X-Y" flip-flop is defined with two inputs, X and Y in addition to... A transmission line whose characteristic impedance is a pure resistance A uniform plane wave traveling in free space along the +$$z$$ direction and havi... Two dissimilar antennas having their maximum directivities equal The beam width-between-first-null of a uniform linear array of N equally-spaced ... Elements of a linear array of three equally spaced (element spacing $$0.5\lambda... A semiconductor is irradiated with light such that carriers are uniformly genera... The 6 V Zener diode shown in figure has zero Zener resistance and a knee current... An n-channel JFET has a pinch-off voltage V<sub>P</sub> = -5 V, V<sub>DS</sub>(m... In a transistor having finite B, the forward bias across the base emitter juncti... In an 8085 microprocessor system with memory mapped I/O, The following program is run on 8085 microprocessor: <img class="question-image... <p>Of the four networks, N<sub>1</sub>,N<sub>2</sub>, N<sub>3</sub> and N<sub>4... <p>For the compensated attenuator of figure, the impulse response under the cond... For the series R-L-C circuit of figure(a), the partial phasor diagram at a certa... For a 2-port network to be reciprocal Relative to a given fixed tree of a network The two-port Darlington impedance booster of figure uses identical transistors ... Which of the following signals is/are periodic? If G(f) represents the Fourier transform of a signal g (t) which is real and odd... A linear discrete - time system has the characteristic equation,$${z^3} - 0.81\... A low pass signal x(t) has a spectrum given by$\$X(f) = \left\{ {\matrix{ {1 ...

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