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Consider the current-to-voltage converter circuit shown in given Figure. The input resistance Ri f is assumed to be small, the output resistance is Ro = 0, and the op-amp gain Az is large.
(a) Write the closed-loop transfer function in the form
(b) What is the expression for βg?
(c) If Az = 5 × 106 Ω and Azf = 5 × 104 Ω, what is the required βg and RF?
(d) If Az decreases by 10 percent, what is the percent change in Az f?
b. To maintain one per unit voltage at rated load, find the per unit generator voltage needed. c. Find load current in amps, current through the transmission line in amps, generator current in amps, and the genertor voltage in volts.
We have v1(t)=10cos(wt+30degrees). The current i1(t) has an rms value of 5A and leads v1(t) by 20s. (The current and the voltage have the same frequency) Draw a phasor diagram showing the phasors.
A Y-connected load has an impedance of 25+j12 ohms in each phase. It is desired to raise the load power factor to .95 lagging. (a) What size capacitor should be placed in parallel with each phase impedance if frequence = 60 Hz
Two data streams are coming serially to a system. These two streams are carefully observed and if considering any three bits from each stream, we observe that these two input streams are equal ; the FSM gives a signal to an alarm system.
A 120V source is connected in parallel with four (4) resistors, all of which are in parallel. The resistors have the ratios 1 : 2 : 3 : 6 (for example 4Ω, 8Ω, 12Ω, 24Ω). The source delivers 288W to the parallel combination.
A point charge of +Q is placed at the center of a square and asecond point charge of -Q is placed at the upper left corner. It isobserved that an electrostatic force of 2.0 N acts on the positivecharge at the center.
Straight rods of 6-mm diameter and 30-m length are stored by coiling the rods inside a drum of 1.25-m inside diameter. Assuming that the yield strength is not exceeded
Find the mid-band gain AM and the 3-dB (high) frequency of a MOS cascade amplifier as shown in the following circuit.
Write an assembly language program that initialize data X to 0, and then when input device inputs data it is added to X and when output device asks for data the value of X is output. a) Use Programmed I/O Mode of data transfer for inputting and out..
A Si pn junction diode is described by its I-V equation, I?= Is exp (V?/V?) ,where V?=25mV, Is=10-14A . It is desired to derive constant drop and PWL models for the diode assuming an operating current between 1mA and 3mA.
A random variable X is normally distributed with unknown mean u and unknown standard deviation sigma. Find u and sigma if it is known that the probability X is less than 10 is 0.6950 and the probability that exceeds 6 is 0.7..
A tow truck applies forces F1 and F2 to the bumper of an automobile where F1 is horizontal. Determine the magnitude of F2 that will provide a vertical resultant force, and determine the magnitude of this resultant.
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