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## GATE ECE 2003

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

The circuit shown in figure is best described as a <img alt="gate 2003 analog-c...
In the amplifier circuit shown in the figure, the values of R<sub>1</sub> and R<...
Three identical amplifiers with each one having a voltage gain of 50, input Resi...
Generally, the gain of a transistor Amplifier falls at high frequency due to the...
An ideal sawtooth voltage waveform of a frequency 500 Hz and Amplitude 3 V is ge...
The action of a JFET in its equivalent circuit can be best represented as a
The oscillator circuit shown in the figure has an ideal inverting Amplifier. It'...
If the differential voltage gain and the common mode voltage gain of a different...
An amplifier without feedback has a voltage gain of 50, input Resistance of 1 k$... The output voltage of the Regulated power supply shown in the figure is <img cla... If the Op-Amp in the figure is ideal, the output voltage V<sub>out</sub> will eq... If the input to the ideal comparator shown in figure is sinusoidal signal of 8V ... A DSB-SC signal is to be generated with a carrier frequency f<sub>c</sub> = 1MHz... Let $$m\left(t\right)\;=\cos\left[\left(4\mathrm\pi\times10^3\right)t\right]$$ b... Let $$m\left(t\right)\;=\cos\left[\left(4\mathrm\pi\times10^3\right)t\right]$$ b... The input to a linear delta modulator having a step size $$\Delta$$ = 0.628 is ... If S represents the carrier synchronization at the receiver and $$\rho$$ repres... A signal is sampled at 8 KHz and is quantized using 8-bit uniform quantizer. Ass... If E<sub>b</sub>, the energy per bit of a binary digital signal, is 10<sup>-5</s... A sinusoidal signal with peak-to-peak amplitude of 1.536V is quantized into 128 ... Let x(t) be the input to a linear, time-invariant system. The required output is... The signal flow graph of a system is shown in figure. The transfer function $$\f... A second-order system has the transfer function$$\frac{C\left(s\right)}{R\left(... The open-loop transfer function of a unity feedback system is $$G\left(s\right)... The root locus of the system$$$G\left(s\right)H\left(s\right)=\frac K{s\left(s+...
Figure shows the Nyquist plot of the open-loop transfer function G(s)H(s) of a s...
The gain margin for the system with open-loop transfer function G(s)H(s)=$${{2(1... The approximate Bode magnitude plot of a minimum-phase system is shown in figure... The gain margin and the phase margin of a feedback system with G(s)H(s)=$${s \o...
A PD controller is used to compensate a system. Compared to the uncompensated sy...
The zero, input response of a system given by the state space equation $$\left[... The number of distinct Boolean expressions of 4 variables is If the functions W, X, Y and Z are as follows <p> W= R+$$\overline P Q + \overli...
The circuit shown in figure converts <img class="question-image" src="https://ga...
The circuit shown in figure has 4 boxes each described by inputs P, Q, R and out...
With out any additional circuitry, an 8:1 MUX can be used to obtain
A 0 to 6 counter consist of 3 flip-flops and a combination circuit of 2 input ga...
In the circuit shown in Figure, A is a parallel in, parallel-out 4-bit register,...
A 4 bit ripple counter and a 4 bit synchronous counter are made using flip-flops...
The output of the 74 series of TTL gates is taken from a BJT in
The DTL, TTL, ECL and CMOS families of digital ICs are compared in the following...
The circuit shown in figure is a 4-bit DAC <img class="question-image" src="htt...
The unit of $$\nabla\times\mathrm H$$ is
If the electric field intensity is given by $$\mathrm E=\left(\mathrm x{\widehat... The depth of penetration of electromagnetic wave in a medium having conductivity... A short-circuited stub is shunt connected to a transmission line as shown in Fig... A uniform plane wave traveling in air is incident on the plane boundary between ... Medium$$1$$has the electrical permittivity$${\varepsilon _1} = 1.5\,\,{\varep...
If the electric field intensity associated with a uniform plane electromagnetic ...
A rectangular metal wave guide filled with a dielectric material of relative per...
Two identical antennas are placed in the $$\theta = \pi /2$$ plane as shown in ...
n-type silicon is obtained by doping silicon with
The electron concentration in a sample of uniformly doped n-type silicon at 300<...
An n-type silicon bar 0.1 cm long and $$100\;\mu m^2$$ in cross-sectional area h...
At 300 K, for a diode current of 1 mA, a certain germanium diode requires a forw...
Choose proper substitutes for X and Y to make the following statement correct Tu...
When the gate-to-source voltage (V<sub>GS</sub>) of a MOSFET with threshold volt...
For an n-channel enhancement type MOSFET, if the source is connected at a higher...
If P is Passivation, Q is n-well implant, R is metallization and S is source/dra...
The laplace transform of $$i(t)$$ is given by <br>$$I\left( s \right) = {2 \ove... In an 8085 microprocessor, the instruction CMP B has been executed while the con... <p>Twelve 1Ω resistances are used as edges to form a cube. The resistance betwee... A source of angular frequency 1rad/sec has source impedance consisting of$$1\Om...
<p>The circuit is given in figure.Assume that the switch S is in position 1 for ...
<p>The circuit is given in figure.Assume that the switch S is in position 1 for ...
A series RLC circuit has a resonance frequency of 1 kHz and a quality factor Q =...
The current flowing through the resistance R in the circuit in figure has the fo...
The impedance parameters Z<sub>11</sub> and Z<sub>12</sub> of the two-port netwo...
The minimum number of equations required to analyze the circuit shown in Fig. <i...
An input voltage $$v(t)$$ $$= 10\sqrt 2 \,\,\cos \,\,\left( {t + {{10}^0}} \rig... The driving-point impedance Z(s) of a network has the pole-zero locations as sho... Find the Y-parameters (short ciruit admittance parameters) for the network shown... The Laplace transform of i(t) tends to <br>$$I\left( s \right)\,\, = \,{2 \over...
Let x(t) be the input to a linear, time-invariant system. The required output is...
A sequence $$x\left( n \right)$$ with the $$z$$-transform $$X\left( z \right)$$ ...
Let P be linearity, Q be time-invariance, R be causality and S be stability. <p...
The system under consideration is an RC low -pass filter (RC-LPF) with R = 1.0 $... The system under consideration is an RC low -pass filter (RC-LPF) with R = 1.0$...
Let x(t) = $$\,2\cos (800\pi t) + \cos (1400\pi t)$$. x(t) is sampled with the r...

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