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If an FM signal is given by sFM(t) = 100 cos [2πfct +100 m(τ ) dτ ] and m(t) is given in figure, sketch the instantaneous frequency as a function of time and determine the peak frequency deviation.
Explain the Power Chart The phasor diagram shown in Figure with the x and y axes added, as shown. This diagram may be converted to a 'power chart' by multiplying each phasor in
Q. Explain Current-to-Voltage Amplifier? The basic circuit is shown in Figure, which is similar to that of an inverting amplifier. The - input is connected directly to a curren
Q. Briefly explain about Wye-delta transformation? Certain network configurations cannot be reduced or simplified by series-parallel combinations alone. In some such cases wye-
how to connect some DG together?
A balanced star-connected load is connected across a three phase 450V 50 Hz AC supply. Each load element has an impedance of 5+j12 Ω. Calculate: (i) The power factor of the
Q. Find the frequency of oscillation, amplifier gain ? The transfer function is found to be where the equation is written as a Laplace transform (s=jw). Analysis of thi
Saturation or active mode While V GS > V th and V DS > (V GS - V th ) The switch is turned on, and a channel has been made that allows current to flow
What is the power of the signal transmitted by powerful cell phones? Ans) The powerful cell phones can transfer a signal of 3 watts.
What is the expected peak demand for a transformer feeding the following loads? Connected kVA
Power Transistor A power transistor is a three layer PNP or NPN semiconductor device having two junctions. Three terminals of power transistors are collector emitter
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