|
3G |
Third generation of mobile phone standards |
|
A/D |
Analog to digital |
|
AC |
Alternating current |
|
ADC |
Analog-to-digital converter |
|
ADS |
Advanced design system |
|
AGC |
Automatic gain control |
|
AltBOC |
Alternative binary offset carrier |
 |
Low-frequency current gain |
|
BER |
Bit error rate |
|
BJT |
Bipolar junction transistor |
|
BOC |
Binary offset carrier |
|
BPSK |
Bi-phase shift key |
|
BW |
Bandwidth |
|
C |
Capacitance |
|
C/A-code |
Coarse acquisition code |
 |
Carrier-to-noise ratio (dB) |
 |
Carrier-to-noise ratio (expressed as a ratio) |
 |
Base-collector capacitance |
 |
Bulk-drain capacitance |
 |
Base-emitter capacitance |
|
CDMA |
Code-division multiple access |
|
CE |
Chip enable |
|
CFL |
Compact fluorescent lamp |
 |
Gate-bulk capacitance |
 |
Gate-drain capacitance |
 |
Gate-source capacitance |
 |
Load capacitance |
 |
Base-collector parasitic capacitance |
|
CMOS |
Complementary metal-oxide semiconductor |
|
CP |
Charge pump |
 |
Base-emitter parasitic capacitance |
|
CPU |
Central processing unit |
|
CRT |
Cathode ray tube |
|
CS |
Commercial service (Galileo) |
|
DC |
Direct current |
 |
Phase difference |
|
DGPS |
Differential GPS |
|
DGTREN |
Directorate-General for Energy and Transport |
|
DNSS |
Defense Navigation Satellite System |
|
DoD |
Department of Defense |
|
DoT |
Department of Transportation |
|
DSP |
Digital signal processing |
|
DVD |
Digital video disc |
|
EC |
European Commission |
|
ECL |
Emitter coupled logic |
|
ECP |
Extended capability port |
|
EGNOS |
European Geostationary Navigation Overlay Service |
|
EPP |
Enhanced parallel port |
|
ESA |
European Space Agency |
|
ESD |
Electrostatic discharge |
|
EU |
European Union |
|
FAA |
U. S. Federal Aviation Administration |
|
FDD |
Floppy disk drive |
|
FDMA |
Frequency division multiple access |
|
FEC |
Forward error correction |
|
FOC |
Full operational system |
 |
Phase margin |
 |
Reference frequency |
 |
Resonance frequency |
|
FS |
Frequency selection |
 |
Crystal frequency |
|
G |
Gain |
|
GaAs |
Gallium arsenide |
|
GAGAN |
Satellite-based augmentation system |
|
Galileo |
European GNSS |
|
GC |
Gain control |
|
GCA |
Gain-controlled amplifier |
|
GDP |
Gross domestic product |
|
GIOVE |
Galileo in-orbit validation element |
|
GIS |
Geographic information system |
|
GLONASS |
Russian global navigation satellite system |
 |
Transconductance |
 |
Effective transconductance |
|
Gmax |
Maximum gain |
|
Gmin |
Minimum gain |
 |
Radio frequency transconductance |
|
GMT |
Greenwich mean time |
|
GND |
Ground |
|
GNSS |
Global navigation satellite system |
|
GOC |
Galileo operating company |
|
GPS |
Global positioning system (U.S. GNSS) |
|
GSM |
Global system for mobile communications |
|
GSS |
Galileo Sensor Station |
 |
Voltage gain |
|
HA |
High accuracy (GLONASS) |
|
HBM |
Human body model |
|
HBT |
Heterojunction bipolar transistor |
|
HDD |
Hard disk drive |
 |
Input/output |
 |
Base current |
 |
Collector current |
|
IC |
Integrated circuit |
|
IDE |
Integrated drive electronics |
 |
Bias current of the differential amplifier |
 |
Emitter current |
|
IF |
Intermediate frequency |
|
IFA |
Intermediate frequency amplifier |
|
IIP3 |
Input third-order intermodulation product |
|
IP3 |
Third-order intermodulation product |
 |
Radio frequency current |
|
J/S |
Jammer-to-signal power ratio |
 |
Jammer-to-signal power ratio (expressed as a ratio) |
|
JCAB |
Japan’s ministry of land, infrastructure and transpo |
|
JPO |
Joint programme office |
|
JTAG |
Joint Test Action Group (IEEE 1149.1 standard) |
|
JU |
Joint undertaking |
 |
PFD gain |
 |
Gain of the voltage-controlled oscillator |
|
L |
Transistor length |
 |
Base inductance |
|
LBS |
Location-based services |
|
LC |
Inductors and capacitors |
|
LCD |
Liquid crystal display |
 |
Emitter inductance |
 |
Degeneration emitter inductance |
|
LNA |
Low-noise amplifier |
|
LO |
Local oscillator |
|
LORAN |
Long-range radio aid to navigation |
|
LPF |
Low pass filter |
|
LPT |
Line print terminal |
|
LVDS |
Low-voltage differential signaling |
|
MEO |
Medium earth orbit |
|
MM |
Machine model |
|
MOS |
Metal-oxide semiconductor |
|
MP3 |
MPEG-1 audio layer 3 |
|
MPW |
Multiproject wafer |
|
MSAS |
Multifunctional satellite augmentation system |
|
N |
PLL divider division ratio |
|
NASA |
National Aeronautics and Space Administration |
|
Navstar GPS |
GPS |
|
NF |
Noise figure |
|
NMOS |
re-type channel metal-oxide semiconductor |
|
NUDET |
Nuclear detonation detection system |
|
OEM |
Original equipment manufacturer |
|
OIP3 |
Output third-order intermodulation product |
