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Explain about the dispersion in optical fibres.
Dispersion in optical fibres:
Into optical fibers, temporal distribution of optical pulses because of dispersion will lead to merging of pulses like the length of propagation by the fiber raisess and finally lead to smearing out of data as depicted within the figure below. (Keep in mind that length increases attenuation also increases, therefore amplitude also drops.) It is limits the total bit-rate of long distance transmission by the optical fiber.
The increase within pulse width due to dispersion as this travels by the fiber is a function of the length of travel (km) including the line width (nm) of the optical source and is thus expressed into terms of ns/km.nm.
What are different characteristics of an ideal operational amplifier? Ans: Characteristics of an ideal Operational Amplifier: (1) Infinite voltage gain A (2) Infinite
application of electrostatic
why it is called gate
It is a highly doped p-n junction which is not smashed by high reverse current. The breakdown voltage is made very sharp. In the forward bias, the zener diode do as ordinary diode.
The internal energy change when a system goes from state A to B is 40 kJ/mole. If the system goes from A to B by a reversible path and returns to state A by an irreversible path wh
Derivation
What is the speed of a 232 kg satellite in an approximately circular orbit 645 km above the surface of Earth?
1. Solve the TISE in each region to find the stationary wave function, and show that it can be written as ?(x) = Ae ikx +(k-1)/(k+1)Ae ikx x =2k/(k+1)Ae ilx x>0 where
Explain about the term holography. Holography Holography (through the Greek hòlòs entire + grafè writing, drawing) is a technique which permits the light scattered by an obj
why phase is defined only for periodic motion ?
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