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## GATE ECE 2000

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

Introducing a resistor in the emitter of a common amplifier, stabilizes the dc o...
In the circuit shown in the figure assume that the transistor is in the active r...
For the amplifier of given figure,<br>$${I_C}\, = \,1.3\,mA,\,{R_C}\, = \,2\,k\O... The current gain of a bipolar transistor drops at high frequencies because of In the circuit of figure V<sub>0</sub> is <img class="question-image" src="htt... If the Op-Amp in the figure, is ideal, than V<sub>0</sub> is <img class="quest... The most commonly used Amplifier in sample and hold circuit is If the Op-Amp in the figure has an input offset voltage of 5 mV and an open-loo... In an FM system, a carrier of 100 MHz is modulated by a sinusoidal signal of 5 K... In a digital communication system employing Frequency Shift Keying (FSK), the 0 ... A linear time invariant system has an impulse response e<sup>2t</sup>, t &gt; 0.... An amplifier with resistive negative feedback has two left half-plane poles in i... The block diagram of a feedback system is shown in Figure. <img alt="gate 2000 c... For the linear, time-invariant system whose block diagram is shown in Fig. with ... A system described by the transfer function$$$H\left(s\right)=\frac1{s^3+\alpha... A certain linear, time-invariant system has the state and output representation ... For the logic circuit shown in Figure, the required input condition (A, B, C) to... For the logic circuit shown in the figure, the simplified Boolean expression for... The operating conditions (ON = 1, OFF = 0) of three pumps (x,y,z) are to be moni... A sequential circuit using D flip-flop and logic gates is shown in the figure, w... In the figure, the J and K inputs of all the four Flip-Flops are made high. The ... The number of comparators in 4-bit flash ADC is For the 4 bit DAC shown in Figure, the output voltage $${V_0}$$ is <img class="... A TEM wave is incident normally upon a perfect conductor. The E and H fields at ... The magnitudes of the open-circuit and short-circuit input impedances of a trans... A uniform plane wave in air impinges at 45° angle on a lossless dielectric mater... The three regions shown in Fig. are all lossless and non-magnetic. Find <p> (a)... A rectangular waveguide has dimensions $$1\,\,cm\,\, \times \,\,0.5\,\,cm$$. Its... For an 8 feet (2.4 m) parabolic disk antenna operating at 4 GHz, the minimum dis... The half-power beam widths (HPBW) of an antenna in the two orthogonal planes ar... If the diameter of a $$\lambda /2$$ dipole antenna is increased from $$\lambda /... The eigen values of the matrix$$\left[ {\matrix{ 2 &amp; { - 1} &amp; 0 &amp... $$\int\limits_0^{{\raise0.5ex\hbox{\scriptstyle \pi } \kern-0.1em/\kern-0.15em... If$$\,\,\,L\left\{ {f\left( t \right)} \right\} = {{s + 2} \over {{s^2} +... In the 8085 microprocessor, the RST6 instruction transfers the program execution... The number of hardware interrupts (which require an external signal to interrupt... <p>In the circuit of Fig., the votage v(t) is</p> <img alt="GATE 2000 Network Th... <p>In the circuit of Fig., the value of the voltage source E is</p> <img alt="GA... <p>For the circuit in Fig. the voltage V<sub>0</sub> is</p> <img alt="GATE 2000 ... <p>Use the data of Fig.(a). The current i in the circuit of Fig.(b) is </p> <img... The circuit of Fig. represents a <img alt="GATE 2000 Network Theory Sinusoidal S... For the circuit in Fig., write the state equations using v<sub>c</sub> and i<su... For the circuit in Fig. <img alt="gate 2000 network-theory miscellaneous (gate-e... The network $$N$$ in Fig. consists only of two elements: a resistor of $$1\Omega... In Fig., the steady state output voltage corresponding to the input voltage$$\l... For the circuit in Fig. Which is in steady state, <img class="question-image" s... Given that $$L\left[ {f\left( t \right)} \right]\, = \,$$ $${{s + 2} \over {{s^2... A system with an input x(t) and an output y(t) is described by the relation: y(t... The Fourier Transform of the signal$$x(t) = {e^{ - 3{t^2}}}$$is of the followi... A linear time invariant system has an impulse response$${e^{2t}},\,\,t\, &gt; \... Let u(t) be the unit step function. Which of the waveforms in Fig.(a) -(d) corre... The Hilbert transform of $$\left[ {\cos \,{\omega _1}t + \,\sin {\omega _2}t\,} ... For the linear, time-invariant system whose block diagram is shown in Fig.(a), w... A system has a phase response given by$$\phi \,(\omega )$$where$$\omega$\$ is...
A band limited signal x(t) with a spectrum X(f) as shown in Fig. a is processed ...

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