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News

Semi-rigid cable assembly electrical stability and low passive intermodulation

Author: Date:4/18/2019 1:19:03 AM
Semi-rigid cable assemblies have excellent passive intermodulation performance when equipped with suitable connectors, making them ideal for modern multi-frequency wireless communication systems including distributed antenna system related equipment. The following summarize the results  and the engineers explored.

 

Electrical stability:

 

Since the semi-rigid cable is made of high quality material, it has extremely high electrical stability compared to a flexible coaxial cable using a wire braided outer conductor. The properties of metals and dielectric materials vary with temperature, so the use of phase-conserving cables is extremely important for many critical systems. In addition, phase-matched semi-rigid cables are often used in systems where phase length control is required. This is especially true for antenna systems with phased array antennas. This is because, in such antenna systems, the phase of the input signal has an important role in the electrical control of the main beam of the antenna array. Modern mobile communication systems use this technology to optimize coverage under varying conditions to achieve the goal of reducing the number of antennas required for system performance optimization.

Low passive intermodulation:

 

Semi-rigid cables are equipped with the right connectors, which have excellent passive intermodulation performance, making them ideal for modern multi-frequency wireless communication systems including distributed antenna system related equipment. As people's demand for full coverage increases, the distributed antenna system market requires the use of more types of low-passivity intermodulation products, including power splitters, combiners, amplifiers, and even high-end test equipment. Since the semi-rigid cable assembly can simultaneously meet the RF power and passive intermodulation requirements of modern wireless communication systems, it is a natural fit for the above applications.

 

As people's demand for full coverage increases, the distributed antenna system market requires the use of more types of low-passivity intermodulation products, including power splitters, combiners, amplifiers, and even high-end test equipment. Since the semi-rigid cable assembly can simultaneously meet the RF power and passive intermodulation requirements of modern wireless communication systems, it is a natural fit for the above applications.