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Comtech EF Data SDR-54A User Manual

Page 92

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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