Cable TV

Coaxial cable is a type of cable used to transmit signals from one device to another. Depending on the application, a coax cable can be used to send audio signals, video signals and radio frequencies.

In the United States, the digital-TV transition was completed by June 12, 2009. All broadcast networks now transmit only digital signals, rather than the older analog signals. The transition...

Cable television is one of the most popular forms of entertainment in the world. Established in the mid-twentieth century, cable television expanded throughout the United States after federal...

As of June 2009, the United States switched over to digital-only broadcasting. Therefore, consumers now must have a way of receiving these digital signals, either through cable or satellite...

A "digital cable filter" is a very small device designed to be installed between a set-top-box (or "digital receiver") and a cable outlet. Marketed as "a convenience" or "for enthusiasts and...

For years, analog cable was the only alternative to an over-the-air signal. Television networks used microwave or satellite to beam their signals to regional cable companies. These carriers would...

TV signal boosters come in two varieties: inline or powered. One-line boosters have a single input and a single output. Some powered boosters also function as splitters. They accept one coaxial...

A wireless cable modem works by converting data into radio signals, which are then transmitted through an antenna. This allows a router to receive and decode the messages and consequently transmit...

As the name suggests, a diplexer is a device that takes two signals (frequencies) and allows both frequencies to be passed through on one port at the same time. For instance, if there is one...

Cable television works through the transmission of separate frequencies. The process of cable television operation thus actually begins when the FCC assigns a particular frequency to a particular...

Cable TV started as a means of getting around the problems of traditional antenna TV, which relies on a direct signal from the station's broadcast tower to the antenna on top of your home. The...

The roots of cable TV lie in rural parts of the country, which had difficulty receiving ordinary television signals. In the 1940s and '50s, people received TV via a direct broadcast from the...

Cable companies receive satellite signals from providers that are then routed to their processing centers. Companies like Comcast, Time Warner and Cox Communications break the signals out into...

Cable TV starts at the antenna farm. The networks beam their programs via satellite to the local cable company, whereby the different feeds are received from different satellites. Then the feeds...

For the past 50 years, TV signals have been broadcast in analog format. These are standard radio waves that are received by your antenna and converted into sound and pictures on your TV. Adding...