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  2. 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 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.

  3. Qterics - Wikipedia

    en.wikipedia.org/wiki/Qterics

    The upgrades are transmitted repeatedly every day over a period of many months, in part so that the update is not missed due to a power outage, being unplugged (such as to prevent lightning damage while a resident is away, or perhaps being in storage), or due to data corruption or data loss caused by interference or weak signal strength in ...

  4. 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.

  5. Low-noise block downconverter - Wikipedia

    en.wikipedia.org/wiki/Low-noise_block_downconverter

    The signal received by the LNB is extremely weak and it has to be amplified before downconversion. The low-noise amplifier section of the LNB amplifies this weak signal while adding the minimum possible amount of noise to the signal. The low-noise quality of an LNB is expressed as the noise figure (or sometimes noise temperature). This is the ...

  6. TV tuner card - Wikipedia

    en.wikipedia.org/wiki/TV_tuner_card

    The ATI Twin Wonder TV tuner card. A TV tuner card is a kind of television tuner that allows television signals to be received by a computer. Most TV tuners also function as video capture cards, allowing them to record television programs onto a hard disk much like the digital video recorder (DVR) does. A DVB-S2 tuner card D-Link external TV tuner

  7. RF modulator - Wikipedia

    en.wikipedia.org/wiki/RF_modulator

    When the TV is tuned to the programmed channel, the video and audio signal of the source device is accessed. RF modulation can become difficult in a CATV system. High pass, low pass, and notch filters must be used to block certain frequencies, or channels, so that the modulator can broadcast the audio/video signal of the source device on that ...

  8. Analog television - Wikipedia

    en.wikipedia.org/wiki/Analog_television

    Signal reception is invariably done via a superheterodyne receiver: the first stage is a tuner which selects a television channel and frequency-shifts it to a fixed intermediate frequency (IF). The signal amplifier performs amplification to the IF stages from the microvolt range to fractions of a volt.

  9. DTV receiver - Wikipedia

    en.wikipedia.org/wiki/DTV_receiver

    It is usually connected to the TV set or incorporated in the TV set. The main features of a DTV receiver may be classified as follows: decodes the incoming digital signal; verifies access rights and security levels; displays cinema quality pictures on the TV set; outputs digital surround sound; processes and renders Internet and interactive TV ...

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