1. If the coaxial version is used, its physical properties such as softness and outer diameter are better than the twisted pair version, but the twisted pair version has inherent defects, the outer diameter is too large and the flexibility is not enough, the high frequency performance can be adjusted by adjusting It can make the difference between the two small, and the other is the production cost. The coaxial cable is obviously several grades higher than the twisted pair version. How to choose, everyone is watching the actions of the big manufacturers.
2. At present, less than 10 of the certified manufacturers use the twisted-pair version (a strange phenomenon, the big manufacturers all use the coaxial sample delivery, and the medium-sized professional HDMI factories all use the twisted-pair version for sample delivery), the current situation is large Parts are used or in preparation for the coaxial version of the send-off association test.
3. Coaxial cable is a composite composed of two conductors. The central wire of the coaxial cable is used to transmit signals, and the metal shielding net plays two roles: one is to provide a current loop for the signal as a common ground wire for the signal. , the second is as a shielding network for the signal to suppress the interference of electromagnetic noise on the signal.
The relevant content of HDMI2.1 cable using coaxial or twisted pair will be shared with you today. The specific structure is better. In fact, there is no good standard judgment. In the short term, the manufacturing cost of twisted pair is higher. Low, which is conducive to market promotion. In the long run, the performance of the coaxial version is easier to achieve and has better stability.
