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1. A low pass Chebyshev Type I filter has a pass band edge gain of -0.5dB at 10kHz, and a stop band edge gain of -20db at 12kHz, with a 32kHz sampling frequency.
a. Choose an order for the filter.
b. Find and plot an expression for filter shape ¦H(f)¦ versus f.
2. A band pass filter has a center frequency of 5kHz. It's maximum gain is 0dB, and it's pass band edges lie at -0.5dB, 1.6kHz apart. The transition widths are 400Hz, and the stop band attenuation is 35dB. Choose an order for the Chebyshev Type I filter that satisfies these specifications for a 15kHz sampling rate.
For a unity feedback system with forward path transfer function (Open-loop transfer function) as follows G(s) = 5000/ s(s + 75) derive closed-loop transfer function
A 50 hp, 460 V, three phase induction motor draws 61 amps when operating at rated voltage and at a power factor of 0.85 lagging when supplying a rated load. knowns: 1hp=746watts effeciency (n) = Pout/Pin = Pout/(Pout+losses)
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A)Design a high-pass filter with a cutoff frequency of 40 kHz. Use 0.01 uF capacitor and an appropriate resistor. B) Sketch and label the circuit. C) What is the gain of the filter at the cutoff frequency Give your answer both as ratio (Vout/Vin) ..
A 115/28 V transformer has 56 turns on its low voltage side. How many turns does it have on its high voltage side what is its turns ratio when it is used as a step-down transformer
A sensor with a nominal resistance of 50 ? is used in a bridge with R1 = R2 = 100 ?, V = 10.0 V, and R3 = 100 potentiometer. It is necessary to resolve 0.1 changes of the sensor resistance. A) At what value of R3 will the bridge null
A separately excited DC motor runs at1500 rpm under no load with 200 V applied to the armature.The field voltage is maintain at its rated value. The speed of the motor, when it delivers a torque of 5 Nm ,is 1400 rpm.
A 200 resistor, a 10 mH inductor and a 4.7 µF capacitor are connected in a series circuit. a. Is the circuit overdamped, underdamped, or critically damped b. Write the characteristic equation and find the poles of this circuit.
a laser weapon is fired many times at a circular target that is 1m in diameter and it is found that one-tenth of the shots miss the target entirely. for those shots that miss the target completely
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