Power dividers and directional couplers are passive devices used mostly in the field of radio technology. They couple a defined amount of the electromagnetic power in a transmission line to a port ena
A 10 dB 1.7–2.2 GHz directional coupler. From left to right: input, coupled, isolated (terminated with a load), and transmitted port.
A 3 dB 2.0–4.2 GHz power divider/combiner.
Microstrip directional coupler on the output of a local oscillator on a spectrum analyser PCB.
Microstrip sawtooth directional coupler
Cable television
Videos
Cable television is a system for delivering broadcast programming to viewers by radio frequency signals transmitted through coaxial cable and through fibre-optic cable. Cable television is contrasted
Power dividers and directional couplers
…power combiner application is given in the next section. An inexpensive version of the power divider, shown in figure 16, is used in the home to divide cable TV or over-the-air TV signals to multiple TV sets and other devices. Multiport splitters with more than two output ports usually consist internally of a…
A sign warning about a buried CATV cable in the area
A coaxial cable used to carry cable television to the subscribers' premises
A set-top box is an electronic device that receives the cable signal into the television set. Presented unit is a Cisco RNG200N for QAM digital cable television system used in North America.
A cable television distribution box (left) in the basement of a building in Germany (Kabel BW network, now Vodafone), with a splitter (right) which supplies the signal to separate cables which go to different rooms