The Introduction of Balanced and Unbalanced

- Aug 06, 2018-

A signal that is modulated into a symmetrical signal is transmitted in two lines, called balanced transmission. If a single line is used, it is unbalanced transmission. Similarly, symmetric reception at the receiving end is called balanced reception; asymmetric reception at the receiving end is unbalanced reception. So unbalanced is also called single-ended input or single-ended output, using one signal end and one reference end (ground line). The balance is also called double-ended input or double-ended output. One of the two signal terminals is in phase with one phase inversion, and there is also a ground line. The balanced line transmits both the positive phase signal and the inverted signal, that is, one line is a positive signal and the other line is an inverted signal. They are respectively called hot end and cold end.



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