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Glossary / Jargon

A

A

Amp.

AC

Alternate current – mains voltage.

Adaptor

An adaptor or adapter is a device used to match the physical or electrical characteristics of two pieces of equipment to establish a connection. For person, use adapter.

ADSL

Asymmetric Digital Subscriber Line – ADSL technology turns a conventional copper-pair analogue telephone line into an always-on digital connection.

Aerial

Receiver of television/radio signals.

Amp

See: Amplifier.

Amplifier

Amplifies an incoming signal.

Analogue

Non-digital television and/or radio signal.

Antenna

See: Aerial.

Anti-surge

Stops a power surge on a mains line.

ATA

Advanced Technology Attachment – P(Parallel)ATA; S(Serial)ATA.

Attenuate(r)

To lessen the density of; Reduced or weakened, as in strength, value or virulence.

AV

Audio visual.

B

BC

Bayonet Cap.

C

CMOS

Complimentary Metal Oxide Semi-conductor.

D

DAB

Digital Audio Broadcasting.

E

Euro

Three pin equipment mains connector.

F

Face Plate

Wall Mount Socket.

G

G4

Two pin low voltage base for lamps.

H

Halogen

Brighter than older filament lamp.

I

IEC

Three pin mains plug or utility lead (kettle plug).

J

Jack Plug.

Audio connector.

K

Kettle Connector

See: Utility lead.

L

Latium

Battery.

M

Modulator

Converts RF signal to an AV signal.

N

N Plug

Termination on end of cables.

O

Optic

High speed video lead.

P

PA

Public Address system.

Q

Quad LNB

Four separate outputs from a satellite LNB.

R

RCA

Carries audio and video signals.

S

SBC

Small Bayonet Cap.

T

Timer

Device to trigger on and off at specific times.

U

UHF

Ultra High Frequency.

V

VGA

Video Graphics Array.

W

Wi-Fi

Wireless Fidelity – The WiFi (Wi-Fi) Alliance is an industry alliance to promote wireless networking arrangements based on the IEEE 802.11 specification. Products approved by the Alliance receive the WiFi certified seal of interoperability.

X

XLR

Three pin connector that carries audio signals.

Y

Yargi

Design of a aerial, type of antenna.

Z

Zener

A Zener diode is a type of diode that permits current not only in the forward direction like a normal diode, but also in the reverse direction if the voltage is larger than the breakdown voltage known as 'Zener knee voltage' or 'Zener voltage'.