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Q. A voice message with Wf = 2π(3×103) rad/s and Wrms = 2π(1 × 103) rad/s is transmitted over an FM broadcast system with standard emphasis. and compare the improvements due to emphasis.
With neat diagrams explain the configuration of a step-by-step switching system
Define Multiple Inputs - Control System When there is much more than one input to a system, the superposition principle can be employed. This is that: The response to variou
ppt needed
Q. Illustrate Differential phase-shift keying? In order to eliminate the need of a local carrier, DPSK has been developed in which the receiver uses the received signal to act
Q. A transmission line with air dielectric is 25 m long. Find, in wavelengths, how long the line is at frequencies of 1 kHz, 10 MHz, and 100 MHz.
Modern complex systems are normally constructed by interconnecting sub-units. Therefore the systems engineer is often not too concerned about the details of what is inside these
Q. Give the classification of Oscillators? Depending on the type of the output waveform, oscillators are classified as sinusoidal (or harmonic) oscillators and relaxation osci
Considering the circuit shown in Figure (a), find the state of operation and operating point if the BJT has β = 80 and other typical values of a silicon BJT at room temperature.
time period measurement
Q. On a per-phase basis, let v = √2 V cos ωt and i = √2 I cos (ωt - θ). (a) Express the instantaneous power s(t) in terms of real power P and reactive power Q. (b) Now consid
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