Engineering, 11.06.2020 21:57 loveuncondition
Design a first–order high-pass filter with a cutoff frequency fc = 1.5 kHz and a passband gain |Ao| = 20dB, using a capacitor C = 47nF. Include a compensation resistor and determine its value. (b) Sketch the frequency response for the circuit (i. e., magnitude vs. frequency and phase vs. frequency). On the magnitude response plot, indicate the cutoff frequency, bandpass gain, and bandstop rolloff slope. On the phase response plot, indicate the approximate value of the phase angle at f = 0.1fc, f = fc, and
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Engineering, 04.07.2019 18:10
Aplate clutch has a single pair of mating friction surfaces 250-mm od by 175-mm id. the mean value of the coefficient of friction is 0.30, and the actuating force is 4 kn. a) find the maximum pressure and the torque capacity using the uniform-wear model. b) find the maximum pressure and the torque capacity using the uniform-pressure model.
Answers: 3
Engineering, 04.07.2019 18:20
Ahe-xe mixture containing a 0.75 mole fraction of helium is used for cooling electronics in an avionics application. at a temperature of 300 k and atmospheric pressure, calculate the mass fraction of helium and the mass density, molar concentration and molecular weight of the mixture. if the cooling capacity is 10 l, what is the mass of the coolant?
Answers: 3
Engineering, 04.07.2019 19:10
The short distance from the objective lens to the object causes problems at high magnification. which of the following is the most serious? a. cleaning the object surface b. positioning the object c. reflection from the object surface. d. illumination of the object
Answers: 1
Engineering, 04.07.2019 19:10
Starting wih an energy balance on a rectangular volume element, derive the one- dimensional transient heat conduction equation for a plane wall with constant thermal conductivity and no heat generation.
Answers: 1
Design a first–order high-pass filter with a cutoff frequency fc = 1.5 kHz and a passband gain |Ao|...
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