Application value of extremely thin coaxial cables in high-speed signal transmission

In electronic devices, cables are often the most overlooked part, but they directly affect the stability of signal transmission. Many engineers encounter a professional term when choosing cables - shielding braid density. So, what does it mean? Why can ultra-fine coaxial cables (Micro Coaxial Cable) stand out in precision equipment? This article will take everyone along to understand these two topics.

The meaning of wire屏蔽编织 density
In electronic cables, the function of the shielding layer is to block external electromagnetic interference (EMI) and ensure stable signal transmission. The shielding weave density refers to the tightness of the metal woven mesh covering the surface of the cable. The higher the density, the better the shielding effect and the stronger the anti-interference ability; a low density is prone to allowing electromagnetic waves to "slip through," leading to signal distortion; while a high density, although providing better shielding, reduces flexibility and increases weight, making it not the best choice for devices with high requirements for lightness. Therefore, weave density is not the better the higher, but needs to find a balance between shielding effect and usage scenario.

Unique Advantages of Ultra-Fine Coaxial Lines
Extremely fine coaxial cables have been widely used in recent years in medical imaging equipment, intelligent terminals, and camera modules, etc. The reasons for their popularity lie in the good balance between size and performance: their extremely small diameter can be as thin as 0.3mm or even finer, allowing them to be routed in extremely limited spaces; their lightweight design is lighter than traditional coaxial cables, significantly reducing the weight of the device, especially suitable for handheld or mobile devices; the efficient shielding structure can ensure stable signal transmission even at extremely fine diameters through high-density braiding or composite shielding design; they support high-speed transmission and can meet the needs of multi-Gbps high-speed differential signals such as MIPI and LVDS; at the same time, they have good flexibility and durability, suitable for repeated bending and complex motion environments.

The shielding density determines the cable's ability to resist interference, while the extremely thin coaxial cable maintains excellent shielding performance while also considering small size, light weight, and high flexibility. For this reason, it has become the core connection solution in precision equipment such as medical, imaging, and communication.
I am[Suzhou Huichengyuan Electronic]Long-term focus on the design and customization of high-speed cable harnesses and extremely thin coaxial cables, committed to providing stable and reliable high-speed interconnection solutions. If you have related needs or want to learn more, please contact us:Manager Yin 18913280527 (same WeChat number)。