杭州三元电缆有限公司 电缆产品 碳足迹报告
Types Of Coaxial Cables And How They Are Specified
by:SanYuan
2020-07-24
These cables can be used with our choke balun that comes with the standard Buddipole. They can be used with our Triple Ratio Switch Balun (TRSB), or for any other antenna system. These are premium, made in USA MILSPEC-17 coaxial cables with custom injection-molded pressure reliefs and captive weatherproof end caps. We designed the over-molded strain reliefs with retention slots to hold a hook-and-loop one-wrap strap (included) which can be used to safe rolled up coax or secure the coax to a mast, for example. Glenair high-performance Coax cables are constructed with silver plated conductors, insulated with fluoropolymer material, and completed with single or double layers of conductive shielding and applicable jacket.
Hitachi Cable America’s coaxial cables are tested with equipment that simulates a wide variety of environmental and electrical efficiency circumstances. As a end result, the expectations for positive, dependable and trouble free operations are of the highest degree of confidence.
Hitachi Cable America provides a full line of nice wire coaxials and twinaxials from 36 to 50 AWG. Many of our cables use Hitachi developed copper alloy to offer superior conductivity, flexibility and tensile strength. We have a long history of precision wire growth for the medical business – for ultrasound, catheter, endoscopy and surgical purposes, plus industrial inspection utilizing ultrasound applied sciences. Think of Hitachi Cable America in your subsequent nice wire improvement program. If you aren't conscious about the cable you must utilize, or have an unfamiliar connector/meeting you want duplicated, Contact us and we can help design the coaxial cable meeting or match the connectors required.
IMPEDANCE - Impedance is a term expressing the ratio of voltage to present in a cable of infinite size. In the case of coaxial cables, impedance is expressed when it comes to 'ohms impedance'.The coaxial cables usually fall into three primary lessons; 50 ohms, seventy five ohms, and 95 ohms.
This metric is used to calculate propagation delay, and is commonly around eighty five% for prime quality coaxial cables. These cables terminate in Amphenol RF Brand (to not be confused with the cheaper Amphenol Connex) BNC male connectors (see picture). The cable is RG58 A/U 50 ohm and is available in each 25' (7.62 meters) and 50' (15.24 meters) lengths, with or with out SO239 adapters.
F-type connectors are also referred to as F-81 connectors and are specified by IEC commonplace IEC . VELOCITY OF PROPAGATION - Velocity of propagation, commonly known as velocity, is the ratio of the pace of the flow of an electric present in an insulated cable to the pace of sunshine. All insulated cables have this ratio and it is expressed in a %- age. In the case of coaxial cables with polyethylene dielectric, this ratio is within the range of sixty five% - sixty six%.
The cable TV and closed circuit TV methods use miles of this kind cable. In coaxial cable, the 'go' wire is the center conductor, some form of copper wire, stable or stranded, of comparatively small diameter, around which is a very heavy insulation - the dielectric. But the 'return' wire is now not one other equivalent wire. Often referred to as 'Velocity' or 'VF', velocity of propagation refers back to the ratio of the speed of a wave via a bodily medium against the pace of light in a vacuum.
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