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An AM modulator operates with the message signal: m(t) = 9 cos(20πt) - 8 cos(60πt).The unmodulated carrier is given by 110 cos(200πt), and the system operates with an index of 1/2.
a. Write the equation for mn(t), the normalized signal with a minimum value of -1.b. Determine (m2n(t)), the power in mn(t).c. Determine the efficiency of the modulator.d. Sketch the double-sided spectrum of xc(t), the modulator output, giving the weights and frequencies of all components.
a total charge Q is uniformly distributed around a ring shape conductorwith radius a.a charge q is located at a distance x from the center of the ring ....the force exerted on a charge is given by F=(qQx)/(4πε(x2+a2)3/2)
Jim starts to work in January - time k=0. His income was zero the previous six months. His income is steady and constant for 0
The campus bus uses an embedded system that tracks the number of passengers getting in and those getting out of the bus. Two circuits with laser photodiodes, connected to RB0 (getting in) and RB1 (getting out), are used to track these numbers.
The power supplied by a certain source is a constant 7.5 W over the first 5.8 min, zero for the next 2.8 min, a value that increases linearly from zero to 10 W during the next 8.8 min, and a value that decreases linearly from 10 W to zero
If a signal is digitized at a sampling rate of 20kHz centered at 10 kHz, at what frequency would a signal at 22 kHz appear
Given 4 Bytes of hexadecimal data: 34H, 62H, 43H, and 17H. 1.Find the checksum byte. 2. Perform the checksum operation to ensure data integrity (add the 5 Bytes showing sum equal to zero). 3. If the second byte changes from 62H to 22H, show how the c..
A fiber has n1=1.53, n2=1.46 and a core diameter of .080 mm. It is to be coupled to a photodiode whose circular sensitive area is 20mm². It has been found that there is 2.75 db of coupling loss present.
Submit an excel spreadsheet with your characterization results, and a screen shot of you amplifier schematics, and your simulation result running a sin wave (Use a vsin for input).
Need the coding for the circuits and its a intelligent fan controller based on temperature?
An interplanetary spacecraft far beyond Earth's orbit communicates with an equatorial ground station on the Earth. Calculate the maximum Doppler shift seen at X-band (8.4 GHz) due just to the Earth's revolution around the Sun and Earth's rotation ..
If I have a resistor that is 10 Ohms and has a voltage drop of 4.2 V, how much current is flowing through the resistor?
The shaft output of a three-phase, 60 Hz induction motor is 100 HP. The friction and windage losses are 900 W, the stator core loss is 4200 W, and the stator copper loss is 2700 W. If the slip is 3.75%, what is the effïciency of the motor
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