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  2. Analog passthrough - Wikipedia

    en.wikipedia.org/wiki/Analog_passthrough

    Any converter box converts the digital signal for the current digital sub-channel to an analog signal (at the reduced screen resolution of the analog standard), outputs that signal onto analog channel 3 or 4 (set by the user to avoid any conflict with local over-the-air channels) and sends that signal to the analog tuner on the TV. With a box ...

  3. Attenuator (electronics) - Wikipedia

    en.wikipedia.org/wiki/Attenuator_(electronics)

    100 Watt power attenuator. An attenuator is a passive broadband electronic device that reduces the power of a signal without appreciably distorting its waveform. An attenuator is effectively the opposite of an amplifier, though the two work by different methods. While an amplifier provides gain, an attenuator provides loss, or gain less than ...

  4. Analog television - Wikipedia

    en.wikipedia.org/wiki/Analog_television

    In an analog television broadcast, the brightness, colors and sound are represented by amplitude, phase and frequency of an analog signal. Analog signals vary over a continuous range of possible values which means that electronic noise and interference may be introduced. Thus with analog, a moderately weak signal becomes snowy and subject to ...

  5. Cable converter box - Wikipedia

    en.wikipedia.org/wiki/Cable_Converter_Box

    A cable converter box or television converter box is an electronic tuning device that transposes/converts channels from a cable television service to an analog RF signal on a single channel, usually VHF channel 3 or 4, or to a different output for digital televisions such as HDMI.

  6. Set-top box - Wikipedia

    en.wikipedia.org/wiki/Set-top_box

    A typical modern set-top box, along with its remote control - pictured here a digital terrestrial TV receiver by TEAC. A set-top box (STB), also known as a cable box, receiver, or simply box, and historically television decoder or a converter, [1] is an information appliance device that generally contains a TV tuner input and displays output to a television set, turning the source signal into ...

  7. Television standards conversion - Wikipedia

    en.wikipedia.org/wiki/Television_standards...

    A digital television adapter (DTA), commonly known as a converter box or decoder box, is a device that receives, by means of an antenna, a digital television (DTV) transmission, and converts that signal into an analog signal that can be received and displayed on an analog television.

  8. Digital television adapter - Wikipedia

    en.wikipedia.org/wiki/Digital_television_adapter

    A digital TV converter box. A digital television adapter (DTA), commonly known as a converter box, DTV converter , or decoder box, is a television tuner that receives a digital television (DTV) transmission, and converts the digital signal into an analog signal that can be received and displayed on an analog television set.

  9. Cable television - Wikipedia

    en.wikipedia.org/wiki/Cable_television

    A cable from the jack in the wall is attached to the input of the box, and an output cable from the box is attached to the television, usually the RF-IN or composite input on older TVs. Since the set-top box only decodes the single channel that is being watched, each television in the house requires a separate box.

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