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A pn junction diode and a Schottky diode have equal cross-sectional areas and have forward-bias currents of 0.5 mA. The reverse-saturation current of the Schottky diode isIS= 5× 10-7A. The difference in forward-bias voltages between the two diodes is 0.30 V. Determine thereverse-saturation current of the pn junction diode.
a three phase motor operates at 70% efficiency, out of a 60Hz 480V balanced system of voltages. the motor takes a line current of 70A at a lagging power factor 65%. if the motor is rotating at 3500 rpm, and neglecting fraction, what is the torque ..
Design an interface for a 12 V, 500 mA bipolar stepper motor. There are 200 steps per revolution. Write software to spin the motor at 1 rps.
g0 is the acceleration of gravity at the surface of the Earth, A is the altitude, and Re is the radius of the Earth, approximately 6,380 kilometers. What is the value of g at an altitude of 20 miles in unites of meters per second squared
Design a 2-bit counter that, when f = 1, counts in the repeating sequence: 0, 2, 3, and when f = 0, counts in the reverse direction. Use T flip-flops. (a) Construct a state diagram or state table. (b) Specify a state assignment.
What is the inverse Laplace transform of 32/s(s^2+64). Please show all work.
The cylindrical surface ρ = 8 cm contains the surface charge density ρs = 5e -20|z| nC/m2. (a) What is the total amount of charge present. Not so concerned about the answer but more about the process.
A line charge of uniform charge density (l) forms a circle of radius b that lies in the xy-plane in air with the center at the origin. a) Find the electric field intensity E at the point (0,0,h) b) At what value of h will E in part (a) be a maximum
Find the maximum torque on an orbiting charged particle if the charge is 1.60E-19C, the circular path has a radius of 0.5E-10m, the angular velocity is 4E16 RAD/S, and B=0.4E-3T.
Determine the phase margin of the uncompensated and compensated system from the Nichols chart. (The graph on the left is uncompensated, the one on the right is compensated. What is the DC gain of the compensated closed loop system.
design a multirange ammeter with ranges of 1-10mA,0-100mA, and 0-1500mA, using a 5mA movement whose internal resistance is 3.8ohms. draw a circuit diagram of the meter.
A 1 kHz sine wave signal with a power level -10 dBm is applied to the input of the amplifier. What is the power at the amplifier output in dBW?
Which transistor bias circuit arrangement provides good Q-point stability, but requires both positive and negative supply voltages.
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