The clock frequency of an 8085 microprocessor is 5 MHz. If the time required to execute an instruction is 1.4 μs, then the number of Tstates needed for executing the instruction is
Consider a single input single output discretetime system with x[n] as input and y[n] as output, where the two are related as
Which one of the following statements is true about the system?
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Consider the following statement about the linear dependence of the real valued functions y_{1} = 1, y_{2} = x and y_{3} = x^{2} , over the field of real numbers.
I. y_{1}, y_{2} and y_{3} are linearly independent on
II. y_{1} , y_{2} and y_{3} are linearly dependent on
III. y_{1}, y_{2} and y_{3} are linearly independent on
IV. y_{1}, y_{2} and y_{3} are linearly dependent on
Q.
Which one among the following is correct?
Consider the 5 × 5 matrix
It is given that A has only one real eigen value. Then the real eigen value of A is
The voltage of an electromagnetic wave propagating in a coaxial cable with uniform characteristic impedance isvolts, Where ℓ is the distance along the length of the cable in meters. γ = (0.1 + j40)m^{1} is the complex propagation constant, and rad s is the angular frequency. The absolute value of the attenuation in the cable in dB/meter is __________.
A bar of Gallium Arsenide (GaAs) is doped with Silicon such that the Silicon atoms occupy Gallium and Arsenic sites in the GaAs crystal. Which one of the following statement is true?
The rank of the matrix
For a narrow base PNP BJT, the excess minority carrier concentration (Δn_{E} for emitter, Δp_{B} for base.Δn_{C} for collector) normalized to equilibrium minority carrier concentration (n_{E0} for emitter, p_{B0} for base, n_{C0} for collector) in the quasineutral emitter, base and collector regions are shown below. Which one of the following biasing modes is the transistor operating in?
The Miller effect in the context of a Common Emitter amplifier explains
Consider the DLatch shown in the figure, which is transparent when its clock input CK is high and has zero propagation delay. In the figure, the clock signal CLK1 has a 50% duty cycle and CLK2 is a onefifth period delayed version of CLK1. The duty cycle at the output latch in percentage is ___________.
Which of the following can be polezero configuration of a phaselag controller (lag compensator)?
In the latch circuit shown, the NAND gates have nonzero, but unequal propagation delays. The present input condition is: P = Q = ‘0’. If the input condition is changed simultaneously to P = Q = ‘1’, the outputs X and Y are
Three fair cubical dice are thrown simultaneously. The probability that all three dice have the same number of dots on the faces showing up is (up to third decimal place) __________.
A periodic signal x(t) has a trigonometric Fourier series expansion
we can conclude that
The open loop transfer function
Where p is an integer, is connected in unity feedback configuration as shown in figure.
Given that the steady state error is zero for unit step input and is 6 for unit ramp input, the value of the parameter p is _________.
An n^{+}  n Silicon device is fabricated with uniform and nondegenerate donor doping concentrations ofcorresponding to the n + and n regions respectively. At the operational temperature T, assume complete impurity ionization, kT/q = 25 mV, and intrinsic carrier concentration to be . What is the
magnitude of the builtin potential of this device?
For the operational amplifier circuit shown, the output saturation voltages are ±15V. The upper and lower threshold voltages for the circuit are, respectively.
In the circuit shown, the positive angular frequency ω (in radians per second) at which magnitude of the phase difference between the voltages V1 and V2 equals is
__________.
In a digital communication system, the overall pulse shape p(t) at the receiver before the sampler has the Fourier transform P(f). If the symbols are transmitted at the rate of 2000 symbols per second, for which of the following cases is inter symbol interference zero?
Consider a stable system with transfer function
Where are real valued constants. The slope of the Bode log magnitude curve of G(s) converges to 60 dB decade as A possible pair of values for p and q is
A good transconductance amplifier should have
Let (X_{1} , X_{2}) be independent random variables. X_{1} has mean 0 and variance 1, while X_{2} has mean 1 and variance 4. The mutual information I (X_{1}; X_{2}) between X_{1} and X_{2} in bits is
Consider the following statements for continuoustime linear time invariant (LTI) systems.
I. There is no bounded input bounded output (BIBO) stable system with a pole in the right half of the complex plane.
II. There is non causal and BIBO stable system with a pole in the right half of the complex plane.
Which one among the following is correct?
Which one of the following statements about differential pulse code modulation (DPCM) is true?
Consider a wireless communication link between a transmitter and a receiver located in free space, with finite and strictly positive capacity. If the effective areas of the transmitter and the receiver antennas, and the distance between them are all doubled, and everything else remains unchanged, the maximum capacity of the wireless link
Starting with x = 1, the solution of the equation x^{3} + x = 1, after two iterations of NewtonRaphson’s method (up to two decimal places) is _________.
In binary frequency shift keying (FSK), the given signal waveform are
Where T is the bitduration interval and t is in seconds. Both u_{0} (t) and u_{1} (t) are zero outside the interval . With a matched filter (correlator) based receiver, the smallest positive value of T (in milliseconds) required to have u_{0} (t) and u_{1} (t) uncorrelated is
For the DC analysis of the CommonEmitter amplifier shown, neglect the base current and assume that the emitter and collector current are equal. Given that V_{T} = 25mV, V_{BE} = 0.7V, and the BJT output resistance r_{0} is practically infinite. Under these conditions, the midband voltage gain magnitude. , is _________.
The figure shows an RLC circuit exited by the sinusoidal voltage 100 cos (3t) volts, where t is in seconds.
Which one of the following is the general solution of the first order differential equation = (x + y  1)^{2}, where x, y are real?
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Electronics And Communication  ECE 2016 GATE Paper (Practice Test) Test  65 ques 
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