12 dB Directional Coupler

The 12 dB Directional Coupler (Part number: 1200571) from C-COR is a Coaxial Directional Couplers with an operating brandwith of 1.0 GHz . Directional coaxial coupler is a passive device used to split power between ports, basically it extracts a portion of energy from the main transmission circuit and redirects it to one or more coupled ports. This type of device is mostly used in the field of radio technology and usually has high isolation among the ports. Coupling directly impacts the insertion loss, thence be aware that the less coupled the ports, the lower insertion loss is.

A directional coupler is an unequal power divider; a splitter is an equal power divider. Both have the abbreviation TFC (trunk/feeder coupler) in their model names because they split your network’s trunk and feederlines. A line power inserter passively combines radio frequency (RF) signals with up to 90 volts alternating current (VAC) from a line power supply. This device enables a single cable to service the power and signal requirements of active modules in a broadband telecommunications network. Directional couplers, line splitters, and line power inserters consist of a main circuit board and a housing. The housing’s environmental coating protects the module from the most severe conditions. A wire mesh gasket maintains RF integrity, while a rubber gasket prevents weather from affecting the module’s operation. A 90° rotating seizure mechanism lets you install directional couplers and splitters easily in a variety of configurations. Feed‐thru connectors can be used with cable up to 0.625‐inch in diameter. Pin connectors, which enable you to accommodate larger diameters, also give better RF performance than feed‐thru connection. All models have direct‐entry ports with heat‐shrink ridges and cable strip gauges. Line power inserter is available in two models: 9‐LPI/22A and 9‐LPI/22A‐ACM‐3. The ACM‐3 model provides heavy‐duty surge protection.

Characteristics

• 17‐Amp current handling capacity, with 90 VDC power capacity on all Directional Couplers and Line Splitters
• 22‐Amp current rating for Line Power Inserter
• Excellent hum‐modulation performance
• 1/2 inch hard‐line ports have extra length, creating a better seal between heat shrink and port
• Easily configured to block/restore AC power and/or add fuses
• 1 GHz capacity prepares your system for future expansion Backward compatibility, so that faceplates fit into both 8‐TFC and 9‐TFC housings
• Weather and RFI gaskets installed in each housing
• Line Power Inserter available in heavy‐duty surge suppression to protect system electronics