Glossary
DM240XR High-Speed Digital Modulator
G-2
TM120 – Rev. 1.1
C
C Celsius
CATS
Computer Aided Test Software
CA/xxxx Cable
Assembly
CD-ROM
Compact Disk – Read Only Memory
CLK Clock
cm Centimeter
COM Common
CPU
Central Processing Unit
CRC
Cyclic Redundancy Check. A system of error checking performed at the
transmitting and receiving stations.
CW Continuous
Wave
C/N
Carrier to Noise Ratio
D
DAC
Digital to Analog Converter
dB Decibels
dBc
Decibels Referred to Carrier
dBm
Decibels Referred to 1.0 milliwatt
DC Direct
Current
Demod Demodulator
or
Demodulated
DPLL
Digital Phase Locked Loop
DVB Digital
Video
Broadcast
D&I
Drop and Insert
E
E
b
/N
0
Ratio of Energy per bit to Noise Power Density in a 1 Hz Bandwidth.
EEPROM
Electrically Erasable Programmable Read Only Memory
EIA
Electronic Industries Association
EMI Electromagnetic
Interference
ESC Engineering
Service
Circuits
ES-ES
Earth Station to Earth Station Communication
ET Earth
Terminal
Summary of Contents for DM240XR
Page 2: ......
Page 10: ...Table of Contents DM240XR High Speed Digital Modulator x TM120 Rev 1 1 ...
Page 12: ...Introduction DM240XR High Speed Digital Modulator 1 2 TM120 Rev 1 1 ...
Page 16: ...Installation DM240XR High Speed Digital Modulator 2 4 TM120 Rev 1 1 ...
Page 19: ...DM240XR High Speed Digital Modulator Theory of Operation TM120 Rev 1 1 3 3 ...
Page 55: ...User Interfaces DM240XR High Speed Digital Modulator 4 36 TM120 Rev 1 1 ...
Page 67: ...Rear Panel Interfaces DM240XR DVB High Speed Digital Modulator 5 12 TM120 Rev 1 1 ...
Page 69: ...Maintenance and Troubleshooting DM240XR High Speed Digital Modulator 6 2 TM120 Rev 1 1 ...
Page 79: ...Technical Specifications DM240XR High Speed Digital Modulator 7 10 TM120 Rev 1 1 ...
Page 103: ...Appendix A DM240XR High Speed Digital Modulator A 24 TM120 Rev 1 1 ...
Page 124: ...DM240XR High Speed Digital Modulator Appendix B TM120 Rev 1 1 B 21 ...