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Please explain why the operation wavelength around 1.55 mm is selected for the long haul fiber optic communications.
A particular op-amp, characterized by a gain-bandwidth product of 20MHz, is operated with a closed loop gain of 100. What is the 3-db bandwidth? At what frequency the closed loop amplifier exhibits a phase shift of -84°
The Integrator and Differentiator appear to behave like analog filters. What kind of filters are they, how do they behave with low and high frequencies
An electric field in free space is given as E=(x,4z,4). Given VA=10v, calculate the electric potential difference VAB & VB, where A is (1,1,1) and B is (3,3,3), assuming V=9 at (2,4,6).
In a multiuser CDMA system of DSSS, all transmitters are at equal distances from the receivers. The additive white Gaussian noise density Sn(f) = 5x10^-7 W/Hz. BPSK is used by all users with bit rate = 16 kb/s. There are 16 users.
Assume a 10w power is transmitted over an area with a radius of 10m. Determine power density attenuation (Lρ) and electric field strenght attenuation in dB when received power is reduced to 1/10 of the original.
4. consider a three slab geometry where each slab carries a uniform charge density and has equal width w in the z
(d) Use the colon operator to create a matrix D by extracting the first through third columns of matrix A. (e) Create a matrix F by extracting the values in columns 2, 3, and 4 and combining them into a single column matrix. (f) Create a matrix G tha..
A sign on hte door of a room you are abour to enterreads DANGER 10,000 VOLTS. Knowing that your body reistance ispresently 500 kΩ, should you worry about touching any of the equipment i the room
determine the frequency response for the LTI system specified by the LCCDE y[n] - 0.8y[n -1] = x[n]. Plot the magnitude response and phase response for -pie
A diode is connected in series with a 30-V rms source to charge a 12-V battery with an internal resistance of 0.1 ohm. Specify the series resistance necessary to limit the peak current to 2A. Estimate the time required to recharge a 10-A hr batter..
State Carson's rule for bandwidth estimation. What does it reduce to for NBFM and WBFM and d erive an time domain expressionfor the output xd(t) of the system
Write an assembly program that reads a list of characters from the keyboard and writes the sorted list in ascending order to the console screen, over and over again. Any lowercase letter should be translated to the corresponding uppercase letter
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