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Problem
(a) Give an example of a power signal and one example of an energy signal.
(b) Given a periodic signal x (t) = A sin (2Bft). Calculate the power Px.
(c) Differentiate between baseband and bandpass signals.
(d) Consider the linear system represented in Figure.
Given x(t) = cos( 2Bf1t) ; h(t) = t for 0 <= t <= T and h(t) =0 elsewhere Find y(t).
(e) Find the Fourier Transform of the signal in Figure
(f) An energy spectrum has a peak value of 0.02. Find the value the energy spectrum must go below to be
i. 40-dB below the peak.
ii. 3-dB below the peak.
Analysis of thermistor as a bias compensation
High Voltage Distribution System or HVDS Adoption of HVDS (High Voltage Distribution System) through converting existing LVDS to HVDS reduces the technical losses appreciably.
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Q. A three-phase, 600-kVA, 2300:230-V,Y-Y trans-former bank has an iron loss of 4400Wand a full-load copper loss of 7600 W. Find the efficiency of the transformer for 70%full load
Sketch the asymptotic Bode plot for
design a single phase circuit from a supply point to a load
Static Rotor Resistance Control Methods This method is used only for slip ring induction motor in SRIM 3- phase variable resistor can be inserted in the rotor circuit and
Q. Explain Resistance-capacitance coupling? It is the most commonly used coupling in discrete device amplifier as it is least expensive and has satisfactory frequency response.
Q. Explain how LEDs are arranged in a seven segment display ? The illustration given below shows the basic layout of the segments in a seven- segment display. The segments the
region of convergence of (Z+2)*(12z-1)/((3z-1)*(4z+1 ))
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