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a. Design a precision full-wave rectifier as shown in Fig.(a) to provide a voltage gain of Af = vO ⁄ vS = 50. The input voltage is vS = 0.01 sin (200πt).
b. Use PSpice/SPICE to check your design by plotting the output voltage.
A single phase 220V system draws a current of 15A at a lagging power factor of 0.8. Calculate the value of a capacitor that can be used to improve the power factor of this system to 0.95 lagging.
1) Which has greater efficiency DC Machine operating as MOTOR or GENERATOR 2) What happens when an AC supply is given to a DC Machine
Create 2 equations with 2 unknown variables. For example, one equation would be ax + by = c and the other equation would be dx + ey = f where x and y are the variables and a, b, d, and e are coefficients for the variables and c and f are numbers.
1) Briefly explain what happens when the VSYNC goes from '1' to '0' for negative sync polarization2) Briefly explain what happens when the HSYNC goes from '1' to '0' for negative sync polarization
Consider a digital communication system in which the received symbol y is equal to : y = x+I+n, where n is AWGN with variant sigma_n^2, I models interference independent of both x and n and x is the data taking values +A and -A.
in a hydroelectric generating station the difference in level between ,the water surface and turbine driving the generators is 425 meters.if 1250 liters of water is required to generate 1 kwh of electric energy.find the overall efficiency
Each X-valley has "jelly-bean" shaped constant-energy surfaces with one effective mass (the longitudinal,ml*) along the long axis and equal masses (the transverse,mt*) along each of the two short axes. Find the Density of States mass associated wi..
a)determine substrate for useb)determine rectangular patch element geometry which is based on dielectric constant of the substratec)use far-field approximation formula to calculate the element pattern
The Total Complex Power Supplied By The Source
Discuss how energy is stored in capacitors and inductors. Are the equations linear or non-linear? How do you know?
1. Find the Fourier transform of the signal by hand, using either the de nition of the Fourier transform or properties of the Fourier transform. 2. Use the Symbolic Math Toolbox to nd the Fourier transform and show that the same result is obtained.
A silicon semiconductor resistor is in the shape of a rectangular bar with a cross sectional area of 1x10-6 cm2 a length of 0.1 cm and is doped with a donor concentration of 5x1016 cm-3. (a) Calculate the resistance of this resistor at 300K.
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