![]() 50 ohms is just a design point to match to 50-ohm coax. PTFE or FEP jackets are furthermore resistant to oil, UV radiation or chemicals. Antenna efficiency is not related to 50 ohms, or resonance. 80☌, cables with PTFE or FEP jacket up to approx. Cables with PE or PVC jackets can be used up to approx. Improving this value is achieved by applying double braids, foil under braid (Low Loss Cables) or tin-soaked braids (Semi Flex Cables) as the outer conductor.ĭepending on the materials used, cables may be applied in different ambient temperature ranges. Screening effectiveness describes how well a cable prevents electrical energy escaping from or entering into a transmission line. Compared to corresponding RG-Cables of the same size, the signal attenuation is significantly lower, especially when using higher frequencies. ![]() Low Loss Cables for example are characterized by particularly good, that is, low values of insertion loss. This value is mainly determined by cable diameter, material of the dielectric and the transmission frequency. Insertion loss describes the total electrical loss along an electrical line (ratio of input to output power). For broadcast and video applications, 75 Ohm systems are used. The most important characteristics are briefly described here:Īlmost every system works with 50 Ohm technology. Using this table will help you easily and quickly find the right cable for your application. In our product overview a variety of technical characteristics is shown. ![]()
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