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Explain Noise
Noise is unwanted signals which degrade the desired signal content and therefore the performance of the system. Noise might be produced either externally or internally to the system. External noise contains atmospheric interference, man-made interference, lightning, etc. Internal noises are produced by the components and devices used in the system.
Bi Directional Buffer 74LS245 This types of bi directional buffer is required for data bus as it has to function as bi directional bus. The logic diagram of such buffer i
Blanking circuit: The saw tooth sweep voltage applied to the X places moves beam across the CRT tube in a straight horizontal line from left to right during the sweep or trace tim
For a discrete time unit step input x(kT), the output y(kT) of a system is shown below, Part (a) Obtain the Z-transform of the output signal y(kT). Part (b) F
A 3-bit quantizer is utilized to transform the following signal into a binary digital signal. Determine the binary values of the first three samples (assuming the quantizer rounds
Explain the Synchronous Compensators These are synchronous motors running without mechanical loads (or with load if required). Similar to the synchronous generators, they can a
Explain the different types of polarizations. Polarizations are of three types. i. Electric polarization ii. Ionic polarization. iii. Dipolar polarization.
what is the equation for rc phase shift oscillator?
Q. Illustrate Frequency-shift keying? Digital transmission by FSK is a nonlinear modulation method that is appropriate for channels that lack the phase stability needed to perf
Experiments conducted by Faraday and others using current carrying coils resulted in 'The Laws of Electromagnetic Induction' which state: 1) 'If the magnetic flux threading throu
Ask questio8. A road 300 m long is required to be illuminated by providing 40W fluorescent lamps. The width of the road is 4m. Design a street lighting scheme for obtaining minimu
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