Glossary, Amplifier, UHF Ultra high frequency

7 Glossary

Amplifier

A device, either a single stage or a large scale circuit with multiple stages for creating gain, i.e. it makes small signals larger.

Antenna

A device, such as a rod or wire, which picks up a received radio frequency signal or radiates a transmitted RF signal.

Coaxial

A single copper conductor, surrounded with a layer of insulation, covered by a surrounding copper shield and finally, an insulating jacket. An unbalanced transmission line with constant impedance. In audio, this type is commonly used for low level, line signals terminated in RCA connectors.

DVB (Digital Video Broadcasting)

DVB is a suite of internationally accepted open standards for digital television.

FM (Frequency Modulation)

In radio broadcasting: a method of modulation in which the frequency of the carrier voltage is varied with the frequency of the modulation voltage.

HDTV (High-Definition Television)

It is a digital television broadcasting system with higher resolution than traditional

television systems (standard-definition TV, or SDTV). HDTV is digitally broadcast; the earliest implementations used analog broadcasting, but today digital television (DTV) signals are used, requiring less bandwidth due to digital video compression.

UHF (Ultra high frequency)

In radio or TV broadcasting: it is the frequency range of electromagnetic waves which lies between 300 MHz and 3 GHz (3000 MHz).

VHF (Very high frequency)

In radio or TV broadcasting: it is the frequency range of electromagnetic waves which lies between 30 MHz and 300 MHz.

10EN

SDV6224/12 specifications

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