Comtech EF Data SDR-54A User Manual
Page 92
SDR-54A Satellite Demodulator
Revision 4
Glossary
MN/SDR54A.IOM
Acronym/
Definition
Abbreviation
GHz
Gigahertz (10
9
hertz)
GND Ground
Hz
Hertz (cycle per second)
IESS
INTELSAT Earth Station Standards
IF Intermediate
Frequency
INV Inverted
k
Kilo (10
3
)
kbit/s
Kilobits per second (10
3
bits per second)
kHz
Kilohertz (10
3
Hertz)
ks/s
Kilosymbols Per Second (10
3
symbols per second)
LED Light-Emitting
Diode
lf Line
Feed
LNB
Low Noise Block Converter
LO Local
Oscillator
m
Milli (10
-3
)
M&C
Monitor and Control
mA Milliamperes
Max Maximum
M&C
Monitor and Control
MHz
Megahertz (10
6
Hertz)
Min
Minimum or Minute
Mod Modulator
ms
Millisecond (10
-3
second)
Ms/s
Megasymbols per second
NRM Normal
OQPSK
Offset Quadrature Phase Shift Keying
PCB
Printed Circuit Board
RF Radio
Frequency
RMA
Return Material Authorization
RTS
Request to Send
RX Receive
(Receiver)
S/N Signal-to-Noise
Ratio
SIG Signal
SHLD Shield
SLRC
Space Link Remote Control
SYNC Synchronize
TRIB Tributary
TTL Transistor-Transistor
Logic
TX Transmit
(Transmitter)
TXCLK Transmit
Clock
US United
States
VAC
Volts, Alternating Current
VDC
Volts, Direct Current
VSWR
Voltage Standing Wave Ratio
W Watt
g–2