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Manchester encoding is a type of digital encoding that is used in data transmission. Within the structure for Manchester encoding, the data bits in the transmission are represented by a series of states that occur in a logical sequence. This approach to data transmission is somewhat different, as many encoding methods tend to assign a high or low state of voltage to each bit and use that information as the criteria for effecting the transfer of the bits.

Along with a difference in the way data is recognized and transmitted, Manchester encoding also involves the setting of certain perimeters that impact the transmission process. First, there is a default in place for the length of each data bit included in the transmission. Because of this default, the end result is that the transmission signal involved with Manchester encoding is self-clocking.

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