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A pn junction diode has Vd= 690 mv, C=6pF, Id= 500 microamps, Vt=.0259 V. It also has C=4pF when Id= 100 microamps. Derive the complete high-frequency model when Vd=610mV.
1.Calculate motor speed in revolutions per minute for an eight-pole,50Hz motor. Give the equation and identify its parts; show your math. 2.You need to detect finished products coming down an assembly line.
Design a 4 input, 1 output combinational circuit. the input represents a 4-bit number, N = X3X2X1X0, which ranges from 0 to 15. The output, PN is 1 when N represents a Prime Number,PN, otherwise PN is 0
n the conduction band of a semiconductor, it has a lower valley at the center of the Bril- louin zone, and six upper valleys at the zone boundary along [100]. If the effective mass for the lower valley is 0.1m0 and that for the upper valleys
(a) Find the electric field intensity using Cartesian vectors, Ecart, at the free space point P(-2.00 m, 5.00 m, 2.00 m). (b) Find P in spherical coordinates. (c) Find the electric field intensity using spherical vectors, Espher.
A temperature sensor covers a range of 0 to 70 degrees C with an output sensitivity of 2 mV/degree C. The sensor is input to an ADC with voltage range of 0 to 4V. What is the value of the feedback resistor required for an inverting amplifier circu..
Give three advantages of a three-phase system over a single-phase system There are two basic three-phase connections, the wye connection and the delta connection. Draw a labelled diagram showing the wye connection
First draw the transmit con-stellation and the receive constellation with ideal phase tracking and sampling. Note:they are obviously the same constellations. Now, assume that receiver synchronization is off by a phase angle.
Write an instruction sequence to set bits 3, 2, 1, and 0 of memory location at $1000 to 1 and leave the upper four bits of the same locations unchanged. use hcs12/9s12 to program.
A 3-phase, 2300 V, 60 Hz, 12-pole, Y-connected synchronous motor has 4.5 ? per phase synchronous reactance and negligible stator winding resistance. The motor is connected to an infinite bus and draws 250 A at 0.8 power factor lagging.
Suppose that the number of customers entering a department store in a day is a random variable with mean of 50 customers/day. Suppose that the amounts of money spent by each one of these customers are statistically independent.
Important information about Examination of a digital radio link A. A digital radio link operates at a frequency of 75 MHz and uses ideal RRC filters with nroll off factor r = 0.2 in the transmitter
Signal generator‘s internal impedance is purely resistive and has an open-circuit voltage of 3.5 V. When the generator is loaded with 22 ohms of resistance, its terminal voltage drops to 2.8 V. What is the generator's output impedance (pure resist..
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