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## GATE ECE 2005

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

The cascode amplifier is a multistage configuration of
The circuit using a <b>BJT</b> with β = 50 and V<sub>BE</sub> = 0.7 V is shown ...
For an npn transistor connected as shown in the figure, V<sub>BE</sub> = 0.7 vol...
Given <br>$${r_d} = 20K\Omega ,\,\,{I_{DSS}}\, = \,10mA,\,\,{V_P} = - 8V$$ <im...
Given <br>$${r_d} = 20K\Omega ,\,\,{I_{DSS}}\, = \,10mA,\,\,{V_P} = - 8V$$ <im...
Given <br>$${r_d} = 20K\Omega ,\,\,{I_{DSS}}\, = \,10mA,\,\,{V_P} = - 8V$$ <im...
For an n-channel MOSFET and its transfer curve shown in the figure, the threshol...
The input resistance R<sub>i</sub> of the amplifier shown in the figure is <img...
The effect of current shunt feedback in an amplifier is to
In an ideal differential amplifier shown in the figure, a large value of (R<sub>...
The voltage e<sub>0</sub> indicated in the figure has been measured by an ideal ...
The Op-Amp circuit shown in figure is a filter. The type of filter and its cut-o...
Given the ideal operational amplifier circuit shown in figure, indicate the corr...
Which of the following analog modulation scheme requires the minimum transmitted...
A device with input x(t) and output y(t) is characterized by: y(t) = x<sup>2</su...
A carrier is phase modulated (PM) with frequency deviation of 10 kHz by a single...
An output of a communication channel is a random variable 'V' with the probabili...
Noise with uniform power spectral density of N<sub>0</sub> W/Hz is passed throu...
A signal as shown in figure is applied to a matched filter. Which of the followi...
A symmetric three-level midtread quantizer is to be designed assuming equiprobab...
A symmetric three-level midtread quantizer is to be designed assuming equiprobab...
Despite the presence of negative feedback, control systems still have problems o...
A ramp input applied to an unity feedback system results in 5% steady state erro...
In the derivation of expression for peak percent overshoot,$$M_p=exp\left(\frac... A unity feedback system is given as,$$$G\left(s\right)=\frac{K\left(1-s\right)}{... Which one of the following polar diagrams corresponds to a lag network? The open loop transfer function of a unity feedback system is given by g(s)=$${{... The polar diagram of a conditionally stable system for open loop gain K=1 is sho... The open loop transfer function of a unity feedback system is given by G(s)=$${... A double integrator plant, $$G(s) = {K \over {{s^2}}},H(s) = 1$$ is to be comp... A linear system is equivalently represented by two sets of state equations. $$\m... Decimal 43 in Hexadecimal and BCD number system is respectively The Boolean expression for the truth table shown is <style type="text/css"> .tg ... The Boolean function f implemented in the figure using two input multiplexers i... The given figure shows a ripple counter using positive edge triggered flip-flops... The present output Q<sub>n</sub> of an edge triggered JK flip-flop is logic 0. I... Both transistors T1 and T2 in figure have a threshold voltage of 1 Volt. The dev... The transistors used in a portion of the TTL gate shown in figure have β=100. th... Many circles are drawn in a Smith chart used for transmission line calculations.... The magnetic field intensity vector of a plane wave is given ... Characteristic impedance of a transmission line is 50$$\Omega $$. Input impedanc... Voltage standing wave pattern in a lossless transmission line with characteristi... Voltage standing wave pattern in a lossless transmission line with characteristi... Refractive index of glass is 1.5. Find the wavelength of a beam of light with a ... Which one of the following does represent the electric field lines for the$$T{E... Two identical and parallel dipole antennas are kept apart by a distance $$\lambd... The primary reason for the widespread use of Silicon in semiconductor device tec... A Silicon PN junction at a temperature of 20°C has a reverse saturation current ... The band gap of Silicon at room temperature is: A silicon sample 'A' is doped with 10<sup>18</sup> atoms/cm<sup>3</sup> of Boron... The Zener diode in the regulator circuit shown in figure has a Zener voltage of ... A Silicon PN junction diode under reverse bias has depletion region of width 10 ... A MOS capacitor made using p-type substrate is in the accumulation mode. The dom... Given the matrix$$\left[ {\matrix{ { - 4} &amp; 2 \cr 4 &amp; 3 \cr ... Given an orthogonal matrix $$A = \left[ {\matrix{ 1 &amp; 1 &amp; 1 &amp; 1 ... If$$A = \left[ {\matrix{ 2 &amp; { - 0.1} \cr 0 &amp; 3 \cr } } \ri... The value of the integral $$1 = {1 \over {\sqrt {2\pi } }}\,\,\int\limits_0^\inf...$$\nabla \times \left( {\nabla \times P} \right)\,\,$$where$$P$$is a vector... A fair dice is rolled twice. The probability that an odd number will follow an e... A solution of the differential equation$${{{d^2}y} \over {d{x^2}}} - 5{{dy} \ov... The following differential equation has $$3{{{d^2}y} \over {d{t^2}}} + 4{\left( ... Match the following and choose the correct combination <p><b>Group$$-{\rm ... In what range should $$Re(s)$$ remain so that the laplace transform of the funct... The Dirac delta Function $$\delta \left( t \right)$$ is defined as What memory address range is NOT represented by chip 1 and chip 2 in figure? A<s... <p> Consider an 8085 microprocessor system </p> <br> The following program start... <p> Consider an 8085 microprocessor system </p> <br> If in addition following co... <p>Impedance Z as shown in the figure is: </p> <img alt="GATE 2005 Network Theor... The maximum power that can be transferred to the load resistor R<sub>L</sub> fro... <p>For the circuit shown in figure, Thevenin’s voltage and Thevenin’s equivalent... The condition on R, L and C such that the step response y(t) in figure has no os... <p>A square pulse of 3 volts amplitude is applied to C-R circuit shown in figure... If R<sub>1</sub> = R<sub>2</sub> = R<sub>4</sub> = R and R<sub>3</sub> = 1.1R in... In a series $$RLC$$ circuit $$R = 2\,k\Omega ,\,\,\,L = \,1H$$ and $$C = \,1/400... For the circuit in figure, the phase current$${{\rm I}_1}$$is <img class="que... The ABCD parameters of an ideal n:1 transformer shown in Fig. are$$\left[ {\mat... The h parameters of the circuit shown in Fig. are <img class="question-image" sr... Choose the function f (t );−$$\infty$$ &lt; 1 &lt; +$$\infty$$, for which a Four... Let x(n) = $${\left( {{1 \over 2}} \right)^n}$$ u(n), y(n) = $${x^2}$$, and Y ($...
In what range should Re(s) remain so that the Laplace transform of the function ...
A sequence x(n) has non-zero values as shown in Fig. <img class="question-image"...
A sequence x(n) has non-zero values as shown in figure. 1 <img class="question-i...
The region of convergence of z-transform of the sequence $${\left( {{5 \over 6}... Which of the following can be impulse response of a causal system? The output y(t) of a linear time invariant system is related to its input x(t) ... For a signal x(t) the Fourier transform is X(f). Then the inverse Fourier transf... A signal x(n)$$ = \sin ({\omega _0}\,n + \phi )$$is the input to a linear time-... The function x(t) is shown in Fig. Even and odd parts of a unit-step function u(... The derivative of the symmetric function drawn in Fig .1 will look like <img cla... The value of the integral$$\,I = {1 \over {\sqrt {2\,\,\pi } }}\int\limits_0^\i...
Match the following and choose the correct combination. <p> <b> GROUP 1 </b> <b...

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