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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.
hint on clamping as a project topic
Significance of form factor,why we decide the power handing capacity in transmission with the help of form factor?
Applications of holography 1. Holography is used in the non-destructive tests by interferometic methods. In this method called double exposure holographic interferometry,
Q. A 5-kVA, 480:120-V, two-winding, 60-Hz, single-phase transformer has an efficiency of 95% while delivering rated load at rated voltage and 0.8 power factor lagging. This transfo
Q. Determine the bits required for a D/A converter to detect 1-V change when V ref = 15 V.
Advantages of BJT over MOSFET: BJTs have some benefits over MOSFETs for at least two digital applications. Very first, in high speed switching, they do not comprises the "large
Charge density I n a semiconductor
Q. What are the advantages of an RC coupling over a direct coupling? Draw a basic Rc coupling network and explain. Figure -RC-coupled transistor amplifier The network
Q. A coaxial cable with polyethylene dielectric (ε r =2.26) connects an antenna to a receiver 30maway. Determine the velocity of wave propagation in the cable and the delay of the
Energy conservation: NEP envisages a voluntary approach initially for promoting energy conservation along with emphasis on labelling of appliances. Gradually as awareness incr
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