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Design a passive fourth-order Butterworth filter with cutoff frequency of 2000 radians per second and an output resistor of 1000 ohms.
Assume that the I bit for external hardware interrupt IRQ is enabled and is low-level triggered. Explain how this interrupt works when it is activated. How can we make sure that a single interrupt is not interpreted as multiple interrupts
After 10 min the process is stopped, and fresh water is poured into the tank at a rate of 8 gal/min, with the mixture again leaving at the same rate. Find the amount of salt in the tank at the end of an additional 10 min.
A three-phase, 5kVA, 208 V, four-pole, 60Hz, Y-connected synchronous generator has negligible stator winding resistance and a synchronous reactance of 8 ohms per phase at rated terminal voltage.
a) An Si p+-n junction has A=1/100 cm^2 and N(donor)=10^15/cm^3 on the n side. Calculate junction capacitance with reverse bias of 10V. b) An abrupt p+-n junction is formed in Si with donor doping of Nd=10^15 / cm^3.
If the resistance of dry skin is 5 k? and accidental contact is made with a conductor that is at a voltage of 120 V, how much current can flow through the human conducting path. If contact with this same conductor is maintained for 10 s
A permanent magnet dc motor has two poles and a simplex lap winding of 18 loops and 3 turns per loop. The armature radius is 4 cm and the armature length is 15 cm. The flux density under the poles is 0.74 T.
A 75-kVA, 230-V/115-V, 60-Hz was tested with these results: Open-circuit test: 115 V, 16.3 A, 750 W; Short-circuit test: 9.5 V, 326 A, 1200 W a) Determine the voltage regulation at rated load, 0.8 power factor lagging.
The instantaneous power p into a one port containing resistors and inductors has maximum value 100(1+sqrt2) W and minimum value 100(1-sqrt2)W. (note that instantaneous power is measured in W, and it contains various contributions
A 40 H resistor, a 5 mH inductor, and a 1.25/xF capacitor are connected in series. The series-connected elements are energized by a sinusoidal voltage source whose voltage is 600 cos (8000t + 20°)V. a) Draw the frequency-domain equivalent circuit.
A thin spherical shell of 0.4 kg and a diameter of 0.2 m is filled with alcohol of density 800 kg/m^3. It is released from rest at the bottom of a container of water. Calculate the acceleration of the shell as it rises to the surface.
There is a 50 Mhz clock signal on the FPGA board. we want to have a 1 Hz signal for testing all the designs. Find out what size of the counter we need in order to obtain this signal from the on board clock.
If vid is 20-mV peak-to-peak sine wave applied in a balanced manner but superimposed on VCM = 0.5 V, what is the value that VDD must have to ensure saturation-mode operation for Q1 and Q2 at all times. Assume Vt = 0.5 V.
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