Subcarrier & Tuner (radio) - Unionpedia, the concept map

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Difference between Subcarrier and Tuner (radio)

Subcarrier vs. Tuner (radio)

A subcarrier is a sideband of a radio frequency carrier wave, which is modulated to send additional information. A tuner is a subsystem that receives radio frequency (RF) transmissions, such as FM broadcasting, and converts the selected carrier frequency and its associated bandwidth into a fixed frequency that is suitable for further processing, usually because a lower frequency is used on the output.

Amplitude modulation

Amplitude modulation (AM) is a modulation technique used in electronic communication, most commonly for transmitting messages with a radio wave.

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Analog television

Analog television is the original television technology that uses analog signals to transmit video and audio.

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Band-pass filter

A band-pass filter or bandpass filter (BPF) is a device that passes frequencies within a certain range and rejects (attenuates) frequencies outside that range.

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Carrier wave

In telecommunications, a carrier wave, carrier signal, or just carrier, is a periodic waveform (usually sinusoidal) that carries no information that has one or more of its properties modified (the called modulation) by an information-bearing signal (called the message signal or modulation signal) for the purpose of conveying information.

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Composite video

Composite video is an baseband analog video format that typically carries a 415, 525 or 625 line interlaced black and white or color signal, on a single channel, unlike the higher-quality S-Video (two channels) and the even higher-quality component video (three or more channels).

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Demodulation

Demodulation is extracting the original information-bearing signal from a carrier wave.

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Digital television

Digital television (DTV) is the transmission of television signals using digital encoding, in contrast to the earlier analog television technology which used analog signals.

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DVB-S

Digital Video Broadcasting – Satellite (DVB-S) is the original DVB standard for satellite television and dates from 1995, in its first release, while development lasted from 1993 to 1997.

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Europe

Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere.

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FM broadcasting

FM broadcasting is a method of radio broadcasting that uses frequency modulation (FM) of the radio broadcast carrier wave.

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Local oscillator

In electronics, a local oscillator (LO) is an electronic oscillator used with a mixer to change the frequency of a signal.

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Radio broadcasting

Radio broadcasting is the broadcasting of audio (sound), sometimes with related metadata, by radio waves to radio receivers belonging to a public audience.

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S-Video

S-Video (also known as separate video, Y/C, and erroneously Super-Video) is an analog video signal format that carries standard-definition video, typically at 525 lines or 625 lines.

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Television

Television (TV) is a telecommunication medium for transmitting moving images and sound.

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