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1. What is meant by feedback speed control?
2. How is the magnetic drive used as an adjustable speed drive?
The circuit in given figure is operating in the sinusoidal steady state.- Use the unit-output method to find the phasor responses VX and IX.
A 3-phase 230 V, 9 kVA, 0.9 PF (lagging) load is supplied by 10 kVA, 1330/230 V, 60 Hz three-phase transformer connected in Y-?. The equivalent impedance of transformer referred to the low-voltage side is 0.12 + j0.25.
Screenshot of the circuit simulation running and the measurements of the input voltage and voltage on each lead of the DC motor.
Write an expression for the waveform f(t) in Figure using a delayed exponential.- Use the time-domain translation property to find the Laplace transform of the waveform f(t) found in part (a).
A differential amplifier stage has collector resistors of 5.1 Kohms each. If Ic1 = 1.35 mA and Ic2 = 1.29 mA, what is the differential output voltage.
Design an output controller to drive eight solenoids. The controller should have an 8-bit output register, and should connect to the Wishbone bus used by the Gumnut core.
Control systems can be either open-loop or closed-loop
Design a static CMOS inverter with long channel transistors and a. switching voltage VM of 0.6 VDD. What is the resulting ratio of WP/WN b. switching voltage VM of 0.45 VDD. What is the resulting ratio of WP/WN
Because the circuit will take a variable amount of time to compute f (it depends on the value of n), an output called done must be provided, which should remain high while the machine is idle. Draw a state transition diagram for a Moore-type machi..
draw the sympol and truth table of the gate that corresponds to the action of the logic gate.
An optical communication system employs a photodetector whose output is modeled as a Poisson(λ ) random variable X. Find the second moment and the variance of X.
Explain about the term cut-in voltage associated with pn junction diode. -How do you obtain cut-in voltage from forward V-I characteristics?
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