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A 10 × 12-in. embedded capacitance FR-4 epoxy glass PCB has a power-to-ground plane capacitance of 500 pF per square inch. The logic circuits have rise times of 300 ps. What will be the effective inter plane decoupling capacitance? Assume that the charge from the decoupling capacitance must arrive at the IC during the period of the rise time.
An AC load circuit consists of a resistance of 30 Ω in sereiswith an inductance of 0.2 H. It is fed from a 120 V, 60 Hz AC source. determine the conduction interval in half cycle for a firing delay of 100 degree.
How the degree of polynomial in continuous path is estimated with its acceleration and velocity.
Problem 1: Consider the following Wheatstone bridge:
Tell us about a time when you failed to meet a deadline. What were the repercussions?
Using the devices above, please construct the 555circuit. use circuit-building software you want andmeasure and record the frequency and the duty cylcle of theoutput. Also, include the picture of the constructed circuit.
A three phase abc sequence wye connected source with Van=220
e) What is the value of C such that the energy stored in the capacitor equals the energy stored in the inductor f) How much energy is stored in the 3.9?F capacitor Use the formula for the energy. g) What is the power dissipated in the resistors
An ac circuit with 4.157kv 60hz with a load of 2880 kva load and pf=.8 lagging find all the currents (6 total), also draw the diagram.
Is dv for a cylinder pi r squared times the lengrh?
Flux weakening causes problems in both generators and motors. In generators, the effect of flux weakening is simply to reduce the voltage supplied by the generator for any given load. In motors, the effect can be more serious.
The energy density (that is, the energy per unit volume) at a point in a magnetic field can be shown to be B2/2μ, where B is the flux density and μ is the permeability. Using this result and Eq. (4 .10), show that the total magnetic field energy s..
A second-order system is being designed. It is desired that the percent overshoot be between 10 and 20 percent. Using the relationship between percent overshoot and damping ratio, this corresponds roughly to zeta being 0.45 and 0.6.
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