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Determine the transfer function of the second-order (2 poles) lowpass Butterworth filter with a 3-dB cutoff frequency of 5 kHz. Design it using the Sallen-Key lowpass filter configuration, find all the values of the circuit elements, and draw the circuit. What is the DC gain?
A 300 V, 60 A, 1200 rpm series dc motor has an armature and series field resistance of .2 ohms each. When a .10 ohm resistance is connected in parallel to the winding, the motor's torque is doubled.
A 300-km bundled 500-kV, 60-Hz, three-phase completely transposed overhead line has three ACSR 1351-kcmil conductors per bundle, with the bundle spacing 0.5 m. The horizontal phase spacings between bundle centers are 10, 10, and 20 m.
A transmission line with characteristic impedance Z0= 60 ohms is connected to a load impedance ZL= 40-j20 ohms. The wavelength is 8 cm. A. Calculate the load reflection coefficient. B. Calculate the voltage standing wave ratio C.
Unpolarized light is incident on three polarizers: The first making an angle of 0 degrees with the vertical; the second making an angle of ? degrees with the vertical; and the last one making an angle of 90 degrees with the vertical.
For a 64-PSK modulator with an input data rate(fb) equal to 36 Mbps and a carrier frequency of 100 MHz. A. Determine the minimum double-sided Nyquist bandwidth(fN) and the baud. B. Sketch the output spectrum.
Given that a nonzero AC voltage source is applied, what can you say about whether the power, reactive and complex power are positive,negative, or zero for: A) a pure capacitor in series with a pure inductor.
A pressure sensor covers a range of 0-500 psi with 2.5 mV/psi. The sensor is input to an ADC with a voltage range of 0 to 5 V. What is the value of the feedback resistor required for a non-inverting amplifier circuit required to interface the sens..
A 100 hp, 16 pole, 460V, three phase, 60hz induction motor has a slip of 2.4 percent when running at rated conditions. Determine (a) synchronous speed; (b) rotor speed (c) rotor frequency.
Over a period of 10 seconds, how much charge moves through the element. If electrons carry the charge, which terminal do they enter. How much energy os transferred. Is it delevired to the element or taken from it.
Three loads are connected in parrallel across a 250 Vrms line. Load 1 absorbs 16 kW and 18 kVAR. Load 2 absorbs 10 kVA with a power factor of 0.6 leading. Load 3 absorbs 8 kW with a power factor of 1.
isible light passes through a diffraction grating that has 900 slits per centimeter, and the interference pattern is observed on a screen that is 2.58 m from the grating. In the first-order spectrum, maxima for two different wavelengths are separat..
A buck-boost converter works with an input voltage of 12 V and switching frequency 10 kHz. The load resistance of 24 Ω requires doubled input voltage. The inductor and capacitors are 1 mH and 100 μF, respectively.
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