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A message signal m(t) = sinc2 (100 pi t) sin(200 pi t) modulates a carrier at fc = 1000 Hz by the LSB scheme. (a) Determine the LSB signal LSB(t) and its bandwidth. (b) If the LSB signal is transmitted through a channel that only introduces a 0.3 ms delay, and the oscillator at the LSB receiver produces a local carrier 2 cos(2 pi fct), determine the receiver output signal y(t).
A 800 turn solenoid has a total wire length of 400 feet of AWG 24 copper wire. This wire has a resistance of 26.17 ohms per 1000 feet. The voltage measured from one end of the solenoid to the other is 21 volts. What is the mmf of the solenoid in a..
A voltage divder is required to produce a 5.5V output from 12V source. If one of the resistor values is 1.0k, what value is required for the second resistor so that the voltage across the 1.0k resistor is 5.5V
give the definition of electrical circuit. draw the simplest electrical circuit and mark the directions of electrical values in it and ohms law. what are the main and the additional elements of the electrical circuit and that are the purpose.
The pre- Limiter circuitry has a Noise Figure of 8dB and an input Noise Temperature of 1800C. Given an FM demodulation noise improvement of 17dB, determine the minimum receive signal power to achieve a post detection signal to noise ratio of 35dB.
A circular coil of 200 turns of radius a=60mm, total resistance R=2 ohm, and no self inductance is rotated about a vertical diameter with uniform angular velocity =200 rad/s in a horizontal magnetic flux B of 0.25 Tesla.
In animation programs, special effects are achieved by changing the properties of objects. What instruction is used to change the opacity and color properties of objects in the Zeus example world?
When unmodulated the carrier voltage is 75 volts peak. An information (modulating) signal of 15 KHZ with 5 volts peak amplitude causes a frequency deviation of 22.5 KHz. If the load resistor RL= 100 Ohms, determine the following Modulation index
Open Neutral Assume that the load is star connected with the neutral disconnected. Each phase has a series RL load with R = 5 ohms and L = 20 mH. Plot the neutral voltage Plot the phase to neutral voltage for phase a.
A modulator transmits symbols, each of which has 64 different possible states, 15,000 times per second. Calculate the baud rate and the bit rate.
An ideal C/D converter is followed by a discrete-time LPF which is followed by an ideal D/C converter. The sampling rate is 8000 samples per second. The input analog signal is bandlimited to 3900 Hz. The overall frequency response is required to s..
Use the fact that x = 2 and y = 0 at t = 0 to determine the appropriate value of the arbitrary constant in the solution set.
Which of the following items is considered as a factor of production and which is considered as a raw material? In case you classify an item as a factor of production, identify the type of the resource.
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