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The sinusodial modulating wave m(t) = (Am)cos(2*pi*fm*t) is applied to a phase modulator with sensitivity kp. The unmodulated carrier wave has frequency fc and amplitude Ac. Determine the spectrum of the resulting phase-modulated wave, assuming that the maximum phase deviation B = kp*Am does not exceed 0.3 radian.
Consider a three-phase distribution feeder with line reactance of10 ohm supplying a three-phase Y-connected load of 200 kVA at power factor of 0.85 lagging.
Pure ethylene (C2H4) and oxygen are fed to a process for the manufacture of ethylene oxide (C2H4O) C2H4 + ½ O2? C2H4O The process flow diagram is shown below. The catalytic reactor operates at 300 °C and 1.2 atm. Under these conditions
An absolute optical rotary encoder has five tracks. How many bits is the output, and what is the resolution in degrees per state (that is, degrees per LSB)
A wafer 100mm in diameter is mounted in an electron-beam evaporation system in which spherical radius is 40cm. Estimate the worst case variation in film thickness between the center and edges of the wafer for an evaporated aluminium 1micro meter t..
A 1cmx2cm rectangular wire loop carries a current of 2A. What is the magnetic field at the center of the rectangle
A (3V, 300mA) flashlight bulb is to be used as the dial light in a 120V radio. What is the resistance of the resistor that should be connected in series with the flashlight bulb to limit the current
A sequential circuit has two inputs w 1 and w 2 , and an output, z. Derive a suitable circuit for the given condition.
Treat as an ideal gas ie it obeys pV=nRT law where pis pressure, V is volume, n is # of moles, R=82.056*10-6 m3-atm/mole-K is the universal gas constant and T is the absolute temperature.
What is the thermal noise level of a channel with bandwidth 10kHz carrying 1000. Watts of power at 50o C?
1. What is Miller capacitance What is its role in High frequency amplifier design Label all the involved variables in the Figure below and derive an expression for the Miller effect capacitances (input and output).
A) Design a low-pass filter with a cutoff frequency of 12 kHz. Use 0.15 uF capacitor and an appropriate resistor. B) Sketch and label the circuit. C) What is the gain of the filter at a frequency of 20 kHz Give your answer both as ratio (Vout/Vin) an..
Work out the following problem: If the analog signal to be quantized is a sinusoidal waveform, that is, x(t) = 6 sin (6283t), and if the bipolar quantizer uses 8 bits, determine 1. Number of quantization levels; 2. Step size of the quantizer ; 3. ..
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