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Electronics


Topic Name:

What is meant by baud rate?



Posted By:

Mepitsuser



What is meant by baud rate? Last Post By : SUJITH MATHEW
Nima Total Posts on mepits: 13
Posted On 17-Apr-2015 14:11
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Baud rate is the term commonly used in serial communication. It is defined as the rate at which data transfer occurs in bits per second.


Babu Total Posts on mepits: 15
Posted On 17-Apr-2015 15:33
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Which are the commonly used baudrate?


Arunpremji Total Posts on mepits: 14
Posted On 17-Apr-2015 15:45
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The baud rate of a data communications system is the number of symbols per second transferred. A symbol may have more than two states, so it may represent more than one binary bit (a binary bit always represents exactly two states). Therefore the baud rate may not equal the bit rate, especially in the case of recent modems, which can have (for example) up to nine bits per symbol.


NAJEEB Total Posts on mepits: 2
Posted On 17-Apr-2015 16:06
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What is the symbol means?? is it a byte or what??


BASIL Total Posts on mepits: 12
Posted On 17-Apr-2015 16:11
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Mr. Najeeb Note the example below:

A Bell 212A modem uses Phase Shift Keying (PSK) modulation, and each symbol has one of four phase shifts (of 0(deg), 90(deg), 180(deg), or 270(deg)). Since it requires two bits to represent four states (00, 01, 10, and 11), the modem transmits 1,200 bits/s of information, using a symbol rate of 600 baud.

Usually the baud rate of a modem will not equal the bit rate and is of no interest to the end user--only the data rate, in bits per second, is.

Therefore in referring to the data rate of a modem, use bits/s (or kbits/s, etc.), not baud rate.


SUJITH Total Posts on mepits: 10
Posted On 26-Apr-2016 14:57
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THE DEFAULT BAUD RATE IS 9600.


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