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USB4 cable

    With the USB4 cable market requirements for high-frequency transmission more and more rigorous, and high-speed transmission requires the wire has a strong anti-interference ability and electrical performance stability, in order to ensure the stability of high-frequency transmission, its high-end series is still the mainstream coaxial version, but the coaxial manufacturing process is a complex process. Suitable production equipment and mature and stable production process are needed to solve high frequency and high speed applications. In the production of high-speed products, material selection, process parameters and process control, special laboratory testing of electrical parameters all play a key role, so everyone wants to make a breakthrough on the twist version, because relatively speaking, the processing is simple, the process is mature, and the equipment is universal, but the structure of the twisted wire in the processing process, due to the twist distance, There are many factors such as the change and instability of the total lay distance of the overlay, including the processing and stripping of the aluminum foil will also hurt the twisted structure, resulting in signal attenuation and reflection problems after the signal passes through the cable because of the low connectivity of the medium, non-ideal, skin effect, impedance discontinuity and other effects. And because the frequency of USB4 compared with USB3.1 has qualitative changes, its structural differences will be infinite amplification with the impact of high and low frequency signal attenuation ratio, USB4 version of high frequency stability is very poor, the so-called price butcher millet with USB4 coaxial will drive the entire industry.

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Contact: Mr. Guo

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