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TC35i: Migration from TC35 to TC35i
P R E L I M I N A R Y
4.11 Terms and Abbreviations
Table 4-11: Glossary of terms
A/D
Analogue-to-Digital Converter
AF
Audio Frequency
AFC
Automatic Frequency Control
AGC
Automatic Gain Control
AMR
Adaptive Multi Rate
ARP
Antenna Reference Point
ASIC
Application Specific Integrated Circuit
BB
Baseband
CPU
Central Processing Unit
CR
Change Request
CTR
Common Technical Regulation
DAI
Digital Audio Interface
DFC
Digital Frequency Centering
DSB
Development Support Board
DSP
Digital Signal Processor
DSR
Data Set Ready
DTR
Data Terminal Ready
DTX
Discontinuous transmission
EFR
Enhanced Full Rate
EMC
Electro Magnetic Compatibility
E-GAIM
Enhanced GSM Analog Interfacing Module
EGSM
Enhanced GSM
ESD
Electrostatic Discharge
ESR
Equivalent Serial Resistance
ETS
European Telecommunication Standard
FE
Front End
FFC
Flat Flexible Cable
FR
Full Rate
GAIM
GSM Analogue Interface Module
GMSK
Gaussian Minimum Shift Keying
GSC
(Type of antenna connector)
GSM
Global Standard for Mobile Communications
HR
Half Rate
HW
Hardware
IC
Integrated Circuit
IF
Intermediate Frequency
IMEI
International Mobile Equipment Identity
I/O
Input/Output
ISO
International Standards Organization
ITU
International Telecommunications Union
LDO
Low Drop Out
LFBGA
Low-Profile Fine-Pitch Ball Grid Array
Li-Ion
Lithium-Ion
LNA
Low-Noise Amplifier
LO
Local Oscillator
Mbps
Mbits per second
MMI
Man Machine Interface
MTBF
Mean Time Between Failures
NTC
Negative Temperature Coefficient
OC
Offset Compensation
OTP
One Time Programmable
PA(C)
Power Amplifier (Control)
PCB
Printed Circuit Board
PCM
Pulse Code Modulation
PGC
Programmable Gain-Controlled Amplifier
PLL
Phase Locked Loop
PSU
Power Supply Unit
RAM
Random Access Memory
RF
Radio Frequency
RI
Ring Indication
ROM
Read-Only Memory
RTC
Real-Time Clock
Rx
Receive direction
SAW
Surface Acoustical Wave Filter
TC35_TC35i_MIG_01_V01.01
29.1.2003
Page 20 of 34
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