PRORXD Broadcast Receiver User Guide
Commercial in Confidence
Broadcast Solutions, HD/SD Products,
PRORXD
100167
Revision: 7.0
Commercial in Confidence
Page 10-92
A
Means…
Attenuation
Power loss resulting from conductor resistance and dielectric loss in the
insulating material used to isolate the conductors.
B
Means…
BNC
Bayonet Neill-Concelman – A very well-known type of RF connector used for
terminating coaxial cable.
Bandwidth
The width of a band of frequencies used for a function.
C
Means…
COFDM
Coded Orthogonal Frequency Division Multiplexing is a frequency-division
multiplexing (FDM) scheme utilized as a digital multi-carrier modulation
method. A large number of closely-spaced orthogonal sub-carriers are used
to carry data.
D
Means…
D/C
Downconverter. A device which changes microwave frequencies to UHF
frequencies for operation in DTC receivers.
Digital
A digital signal is a discontinuous signal that changes from one condition to
one more condition in discrete steps.
Decibel
The standard unit used to express transmission gain or loss and relative
power levels. Also written as dB.
Decoder
Processor in a video receiver that changes digital video data to analogue
signals for replay on analogue monitors; or in some cases a software
decoder, a program that decodes digital data for replay on the PC
(decompression etc.).
Demodulate
To collect the information originally impressed on the radio wave.
E
Means…
Electromagnetic field
The field of force that an electrical current produces around the conductor
through which it flows.
Electromagnetic Waves
A wave propagating as a periodic disturbance of the electrical and magnetic
fields and having frequency in the electromagnetic spectrum; the means by
which energy is transmitted from one area to one more area.
Elementary Stream (ES)
Elementary streams: These streams contain only one MPEG-2 video channel
and no audio. Elementary streams are required if you intend to operate
Milestone or a player that cannot operate with Transport streams.
You must be in RTSP mode to operate Elementary streams.
