Annex A Glossary - Motorola D15 Integration And Application Developers Manual

Gsm engine / modem
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ANNEX A
Abbreviation
Description
ACK
Acknowledgment
ADC
Analog-to-digital converter
ALC
Automatic level control
ANSI
American National Standards Institute
AOC
Automatic output control
ASIC
Application-specific integrated circuit
ATE
Automatic test equipment
BABT
British Approval Board – Telecommunications
BGA
Ball grid array
BER
Bit error rate
BNC
A type of connector used with coaxial cable
bps
Bits per second
BSC
Base station controller (for a network)
C/R
Card Reader
CCR
Type of miniature RF connector
Chebyshev filter
A filter with very sharp cutoff
CHRONOS
Enhanced pendulum IC
CLA
Cigarettte Lighter Adapter
CLK
Clock
CMOS
Complementary metal oxide silicon
CNTL
Control
COM
Communications (port)
CPU
Central processing unit
CQA
Customer quality assurance
CNTL
Control (key)
CSA
California Safety Authority
DAC
Digital-to-analog converter
Data
TAC'A type of Motorola data communications system
DB
Decibel
DBc
Decibels relative to carrier
dBm
Decibels mean; levels relative to 1 mW
DCD
Detailed circuit description
DCS
Digital Cellular System (GSM in the 1800MHz band)
DDFTM
Digital Data Fast, a technique that combines an industry-standard error-correction protocol with
two compression algorithms (V.42bis and MNP5) to provide data transfer rates up to 33,600bps
over a fixed 9,600bps channel
d15 Modem Integration and Application Developers Guide version draft 0.53
Glossary
Page 84 of 181

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