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Design a Colpitts oscillator operating at 200 MHz using an FET in a common gate configuration, including the effect of a lossy inductor. First derive equations for the resonant frequency and condition required for sustaining oscillation for an inductor with loss, corresponding to equations (13.20)- (13.22) for the BJT case. Use these results to find the required capacitances, assuming an inductor of 15 nH with a Q of 50, and a transistor with Determine the minimum value of the inductor Q required to sustain oscillations
the operation of an induction machine here used as an asynchronous generator her connected to a 3 phase electric system. a) What does asychronous mean in this context b) How is it possible to improve the operation of this generator on the system
The magnetic field produced in the air gap of an induction motor by the stator windings is given by B=Bm cos(wt-2theta) in which theta is angular displacement in the counterclockwise direction as illustrated.
Compare the noise floor in dBm with the GSM system (BW= 200 kHz) used by the European cell standards (available today in the US thru the AT&T acquired from the Cingular systems) assuming the same noise figure (NF) of 10 dB for the same receivers.
What is Corona effect on transmission Line?And states some sources of Corona loss.
A 200 nm oxide film is deposited on a 500 m thick bare silicon wafer that has a radius of curvature of 300 m. After deposition, the radius is measured to be 200 m. A 600 nm nitride film is now deposited on the oxide
A uniform magnetic field is applied perpendicular to the plane of a 60-turn circular coil with a radius of 6.0 cm and a resistance of 0.60 ohms. If the magnetic field increases uniformly from 0.20 T to 1.8 T in 0.20 s
Discuss how new detectors that allow us to see more of the electromagnetic spectrum (outside of visible light) have opened up new astronomical knowledge. NOTE AGAIN: this answer should discuss electromagnetic radiation that is NOT visible light.
The maximum oven temperature to be maintained by the conventional type of thermostatic control is 290 degrees Celsius, the kitchen temperature may vary from 15 to 33 degrees Celsius, and the average heat transfer coefficient between the oven surfac..
Control Systems and Laplace Transformations, What is the step response of a system whose transfer function has a zero at -1, a pole at -2 and a gain factor of 2?
Design a digital notch filter to reject frequency 5 kHz completelyand to have a sharp recovery on either side of 5 kHz to a gain ofunity. The highest frequency to be processed is 20 kHz.
Determine the frequency resolution when the data length is 73 samples. Without using the window function, is there any spectral leakage in the computed spectrum? Explain.
What functions must the communications stations perform? Repeat for ring and star.
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