\\u00a0 \\u00a0 \\u00a0 Twisted Pair Cable is a common transmission cable composed of two twisted wires, widely used in communication fields such as telephone and local area network (LAN). The basic structure of twisted pair cables is to wrap two insulated wires together according to a certain pattern, and the twisting frequency of each pair of wires may be different, in order to reduce external electromagnetic interference and signal crosstalk.
\\u00a0 \\u00a0 \\u00a0 \\u00a0working principle
- Anti interference principle: Twisted pair cables effectively resist external electromagnetic interference (EMI) through a twisted structure. When external interference affects twisted pair cables, the interference has opposite effects on the two wires. Due to the different signal directions on the wires, differential reception technology can ultimately achieve mutual cancellation of interference, thereby maintaining signal clarity and stability.
- Differential signal transmission: Twisted pair cables use differential signal transmission, which means that opposite signals are transmitted through two wires. The receiving end restores the signal by detecting the voltage difference between these two wires, ensuring the reduction of noise and interference during data transmission.
- Reduce crosstalk: The twisting angle and frequency design of each pair of wires helps to reduce signal crosstalk between adjacent wire pairs. This design enables twisted pair cables to effectively maintain signal quality over longer distances.
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