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Transmission speed



The speed with which the bits are transferred over the bus line are mainly dependent upon

 

The transmission speed is given in the form of transmission rate. This gives the maximum number of bits that can be transferred in one second.
Therefore the unit of the transmission rate is "bits per second", i.e. "bits / s".

The time a single bit needs for the transmission (the so-called "bit time") has an important role in calculating the transmission rate. Since these bit times are only fractions of a second, the bit time is given in "microseconds" (µs). Remember: A microsecond is a millionth of a second.

If the bit time is known then the transmission rate is easily calculated:


x: trasnmission rate
b: bit
tb: bit time