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Consider the following signals, sketch each one of them and comment on the periodic nature:
(a) x(t) = A cos(2πf0t + θ), where A, f0, and θ are the amplitude, frequency, and phase of the signal.
(b) x(t) = ej(2πf0t+θ) , A> 0.
(c) Unit step signal u-1(t) defined by u-1(t) =
(d) Discrete-time signal x[n] = A cos(2πf0n + θ), where n is an integer.
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Q. Draw a block diagramfor a 2-to-4 decoder. Obtain the truth table, and develop a logic diagram.
how to compute the fourier series expansion of a rectangular pulse train
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Q. A shift register can be used as a binary (a) divide by-2, and (b) multiply-by-2 counter. Explain. Show a block diagram of a 4-bit shift-right register using JKFFs.
Definition of bias compensation.
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Consider the characteristics of patterns that appear on the screen of a CRT, when sinusoidal voltages are simultaneously applied to horizontal and vertical plates. These patterns a
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