A-B-C-D-E-F-G-H
I-J-K-L-M-N-O-P-Q
R-S-T-U-V-W-X-Y-Z
|
A |
Ampere |
AC |
Alternating Current |
ACK |
Acknowledge |
ACIA |
Asynchronous Communication Interface Adapter |
ACL |
Advanced CMOS Logic |
A/D |
Analog to Digital |
AF |
Audio Frequency |
AFC |
Automatic Frequency Control |
AGC |
Automatic Gain Control |
AH |
Ampere-Hour |
AI |
Artificial Intelligence |
AKA |
Also Known As |
ALC |
Automatic Level Control |
ALU |
Arithmetic Logic Unit |
A/N |
Alphanumeric |
ANSI |
American National Standards Institute |
ARRL |
American Radio Relay League |
AS |
Advanced Schottky |
ASCII |
American Standard Code for Information Interchange |
ASIC |
Application Specific Integrated Circuit |
ASK |
Amplitude Shift Keying |
ATC |
Air Traffic Control |
AV |
Audio/Visual |
AVC |
Automatic Volume Control |
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BASIC |
Beginners All-purpose Symbolic Instruction Code |
BBD |
Bucket Brigade Device |
BCE |
Binary Coded Decimal |
BEV |
Billion Electron Volts |
BIFET |
Bipolar Field-Effect Transistor |
BJT |
Bipolar Junction Transistor |
BNC |
Bayonet Neill-Concelman (connector) |
BPI |
Bits Per Inch |
BPS |
Bits Per Second |
BTW |
By The Way |
B&W |
Black & White |
BW |
BandWidth |
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C |
Capacitance |
CAD |
Computer Assisted Design or Computer Aided Drafting |
CADA |
Computer Assisted Design and Analysis |
CADD |
Computer Assisted Design and Development |
CAE |
Computer Assisted Engineering |
CAM |
Computer Assisted Manufacturing |
CAN |
CANcel |
CAS |
Column Address Strobe |
CATV |
CAble TeleVision |
CB |
Citizens Band |
CBI |
Complementary BInary or Computer Based Instruction |
CBT |
Computer Based Training |
CC |
Constant Current |
CCD |
Charge Coupled Device |
CCITT |
International Telegraphy and Telephony Consultative Committee |
CCTV |
Closed Circuit TeleVision |
CCW |
Counter Clock Wise |
CD |
Compact Disk |
CD-I |
Compact Disk - Interactiv |
CDR |
Compact Disk Recordable |
CDROM |
Compact Disk Read Only Memory |
CDRW |
Compact Disk ReWriteable |
CECL |
Cascode Emitter Coupled Logic |
CEMA |
Consumer Electronics Manufacturers Association |
CEMF |
Counter ElectroMotive Force |
CERDIP |
CERamic Dual Inline Package |
CES |
Consumer Electronics Show |
CF |
Center Frequency or Cubic Feet |
CFM |
Cubic Feet per Minute |
CIM |
Computer Integrated Manufacturing |
CISC |
Complex Instruction Set Computer |
CL |
Current Loop |
CMOS |
Complementary Metal Oxide Semiconductor |
CP/M |
Control Program for Microcomputers |
CPI |
Characters Per Inch |
CPU |
Central Processing Unit |
CRC |
Cyclic Redundancy Check |
CRT |
Cathode Ray Tube |
CS |
Control Strobe (logic signal) |
CSA |
Canadian Standards Association |
CTC |
Counter/Timer Circuit |
CTS |
Clear To Send (protocol signal) |
CV |
Constant Voltage |
CVT |
Constant Voltage Transformer |
CW |
ClockWise, Continuous Wave, Carrier Wave (for old-timers) |
CYMK |
Cyan Yellow Magenta blacK |
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D/A |
Digital to Analog |
DAC |
Digital to Analog Converter or Data Acquisition and Control |
DARPA |
Defense Advanced Research Projects Agency |
DAV |
Data AValiable or DatA Valid |
DB |
Data Base |
dB |
DeciBel |
dBA |
DeciBel - Adjusted |
dBK |
DeciBel (1 kilowatt ref) |
DBM |
Data Base Management |
dBm |
DeciBel (1 milliwatt ref) |
dBV |
DeciBel (1 volt ref) |
dBX |
DeciBel - above reference |
DC |
Direct Current |
DCD |
Data Carrier Detect (protocol signal) |
DDS |
Direct Digital Synthesis |
DES |
Data Encryption Standard |
DIAC |
Bilateral trigger diode |
DIL |
Dual In Line |
DIN |
Deutsche Industrie Normenausschuss |
DIP |
Dual Inline Package |
DLC |
Dual Layer Capacitor |
DMA |
Direct Memory Access |
DMM |
Digital MultiMeter |
DOD |
Department of Defense |
DOS |
Disk Operating System |
DOT |
Department of Transportation |
DP |
Data Processing |
DPDT |
Double Pole Double Throw |
DPI |
Dots Per Inch |
DPST |
Double Pole Single Throw |
DRAM |
Dynamic Random Access Memory |
DS |
Data Strobe |
DSO |
Digital Storage Oscilloscope |
DSP |
Digital Signal Processing |
DSR |
Data Set Ready |
DTL |
Diode Transistor Logic |
DTMF |
Dual Tone Multi Frequency |
DTR |
Data Terminal Ready |
DVM |
Digital Volt-Meter |
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E2PROM |
Electrically Erasable Programmable Read Only Memory |
EAROM |
Electrically Alterable Read Only Memory |
EBCDIC |
Extended Binary Coded Decimal Interchange Code |
ECC |
Error Checking and Correction |
ECL |
Emitter Coupled Logic |
EEPROM |
Electrically Erasable Programmable Read Only Memory |
EGA |
Enhanced Graphics Adapter |
EHF |
Extremely High Frequency |
EIA |
Electronics Industries Association |
EL |
ElectroLuminescent |
ELF |
Extremely Low Frequency |
EMF |
ElectroMotive Force |
EMI |
ElectroMagnetic Interference |
EMP |
ElectroMagnetic Pulse |
ENIAC |
Electronic Numerical Integrator and Calculator |
EOT |
End Of Transmission |
EPLD |
Electrically Programmable Logic Device |
EPROM |
Electrically Programmable Read Only Memory |
EQ |
EQualizer |
ESA |
European Space Agency |
ESD |
Electrostatic Sensitive Device or ElectroStatic Discharge |
ESR |
Equivalent Series Resistance |
EV |
Electron Volt |
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|
F |
Farad |
FAA |
Federal Aviation Administration |
FAST |
Fairchild Advanced Schottky |
FAX |
Facsimile |
FCC |
Federal Communications Commission |
FDC |
Floppy Disk Controller |
FDX |
Full DupleX |
FET |
Field Effect Transistor |
FF |
Flip Flop |
FFT |
Fast Fourier Transform |
FIFO |
First In First Ou |
FILO |
First In Last Out |
FM |
Frequency Modulation |
FORTRAN |
FORmula TRANslato |
FP |
Floating Point |
FPGA |
Field Programmable Gate Array |
FPLA |
Field Programmable Logic Array |
FPP |
Floating Point Processor |
FPU |
Floating Point Unit |
FSK |
Frequency Shift Keying |
FTP |
File Transfer Protocol |
FUBAR |
Fouled Up Beyond Any Repair |
FVC |
Frequency to Voltage Converter |
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GA |
Gate Array |
GAL |
Generic Array Logic |
GCS |
Gate Controlled Switch |
GFCI |
Ground Fault Circuit Interrupter |
GFI |
Ground Fault Interrupter |
GFLOPS |
Billions of FLOating Point operations per Second |
GIGO |
Garbage In Garbage Out |
GND |
GrouND |
GPIB |
General Purpose Interface Bus (evolved from HPIB by Hewlett Packard) |
GPS |
Global Positioning System |
GUI |
Graphical User Interface (software) |
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HAL |
Hardwired Array Logic |
HC |
High speed CMOS |
HCT |
High speed CMOS with TTL thresholds |
HD |
High Density |
HDC |
Hard Disk Controller |
HDTV |
High Definition TeleVision |
HDX |
Half DupleX |
HER |
High Efficiency Red |
HET |
Heterodyne |
HF |
High Frequency |
HFS |
Hierarchical File System |
HIC |
Hybrid Integrated Circuit |
HP |
Hewlett Packard or Horse Power |
HPIB |
Hewlett Packard Interface Bus |
HPIL |
Hewlett Packard Interface Loop |
HTL |
High Threshold Logic |
HVDC |
High Voltage Direct Current |
HVPS |
High Voltage Power Supply |
Hz |
Hertz (frequency in cycles per second) |
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I2ICE |
Integrated Instrumentation and In Circuit Emulation |
I2R |
Current (I) squared x Resistance |
IA |
Instrumentation Amplifier |
IC |
Integrated Circuit |
ICE |
In Circuit Emulation |
IEEE |
Institute of Electrical and Electronics Engineers |
IF |
Intermediate Frequency |
IGFET |
Insulated Gate Field Effect Transistor |
IMHO |
In My Humble Opinion |
IMNHO |
In My Not so Humble Opinion |
I/O |
Input/Output |
IOP |
Input/Output Processor |
IP |
Interface Processor or Internet Protocol |
IR |
Current-Resistance or InfraRed |
IRED |
InfraRed Emitting Diode |
IRLED |
InfraRed Light Emitting Diode |
IRQ |
Interrupt ReQuest |
ISA |
Instrument Society of America |
ISN |
Information Systems Network |
ISO |
In Search Of |
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JEDEC |
Joint Electron Device Engineering Council |
JFET |
Junction Field Effect Transistor |
JIS |
Japanese Industrial Standard |
JPL |
Jet Propulsion Laboratory |
JUG |
Joint Users Group |
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k |
Kilo (1000 units) |
kA |
Kilo Ampere (1000 A) |
kbPS |
Kilo bits Per Second |
kEV |
Kilo Electron Volts |
kHz |
Kilo Hertz (1000 cycles per second) |
kVA |
Kilo Volt Amperes |
kW |
Kilo Watts |
kWH |
Kilo Watt Hours |
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L |
Inductance |
L2FET |
Logic Level Field Effect Transistor |
LAN |
Local Area Network |
LASCR |
Light Activated Silicon Controlled Rectifier |
LASER |
Light Amplification by Stimulated Emission of Radiation |
LC |
Inductance and Capacitance |
LCD |
Liquid Crystal Display |
LCM |
Least/Lowest Common Multiple |
LD |
Line Driver |
LED |
Light Emitting Diode |
LF |
Low Frequency |
LIFO |
Last In First Out |
LISP |
LISt Processing |
LLFET |
Logic Level Field Effect Transistor |
LO |
Local Oscillator |
LORAN |
LOng RAnge Navigation |
LP |
Low Pass |
LPC |
Linear Predictive Coding |
LPM |
Lines Per Minute |
LPT |
Line PrinTer |
LSB |
Least Significant Bit or Lower SideBand |
LSD |
Least Significant Digit |
LSI |
Large Scale Integration |
LUT |
Look Up Table |
LW |
Long Wave |
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mAH |
milliAmpere-Hour |
MB |
MegaBytes |
Mb |
Megabits |
MBPS |
Million Bytes Per Second |
MbPS |
Million bits Per Second |
MCA |
Micro Channel Architecture |
MCU |
Micro Computer Unit |
MDAC |
Multiplying Digital to Analog Converter |
MECL |
Motorola Emitter Coupled Logic |
MFLOPS |
Millions of FLOating Point operations per Second |
MFM |
Modified Frequency Modulation |
MHz |
MegaHertz |
MIDI |
Music Instrument Digital Interface |
MIL |
MILitary |
MILSPEC |
MILitary SPECification |
MIPS |
Millions of Instructions Per Second |
MMU |
Memory Management Unit |
MO |
Master Oscillator |
MOS |
Metal Oxide Semiconductor |
MOSFET |
Metal Oxide Semiconductor Field Effect Transistor |
MOV |
Metal Oxide Varistor |
MPU |
Main Processing Unit |
MR |
Magnetic Resonance |
MSDOS |
MicroSoft Disk Operating System |
MSB |
Most Significant Bit |
MSD |
Most Significant Digit |
MSDS |
Material Safety Data Sheet |
MSI |
Medium Scale Integration |
MTBF |
Mean Time Between Failures |
MTS |
Multichannel Television Sound |
MUF |
Maximum Useable Frequency |
MUX |
Multiplexer |
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NASA |
National Aeronautics and Space Administration |
NC |
Not Connected or Normally Closed |
NCO |
Numerically Controlled Oscillator |
NEDA |
National Electronics Distributors Association |
NEG |
NEGative |
NEMA |
National Electrical Manufacturers Association |
nF |
NanoFarad |
NFS |
Network File Server |
NiCad |
Nickel Cadmium |
NiMH |
Nickel Metal Hydride |
NMOS |
N-channel Metal Oxide Semiconductor |
NMR |
Nuclear Magnetic Resonance |
NO |
Normally Open |
NOAA |
National Oceanic and Atmospheric Administration |
NORAD |
NORth American Defense |
NPN |
Negative Positive Negative |
NPO |
Negative Positive 0 temperature coefficient |
NPR |
Noise Power Ratio |
NRZ |
Non Return to Zero |
NRZI |
Non Return to Zero Invert |
NSB |
National Science Board |
NSF |
National Science Foundation |
NSPE |
National Society of Professional Engineers |
NT |
Network Terminator |
NTC |
Negative Temperature Coefficient |
NTSC |
National Television Systems Committee |
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OBTW |
Oh, By The Way |
OC |
Open Collector |
OCR |
Optical Character Recognition |
OEM |
Original Equipment Manufacturer |
OO |
Object Oriented |
OOP |
Object Oriented Programming |
OPAMP |
OPerational AMPlifier |
OS |
Operating System |
OSCAR |
Orbiting Satellite Carrying Amateur Radio |
OSHA |
Occupational Safety and Health Administration |
OTDR |
Optical Time Domain Reflectometry |
OTOH |
On The Other Hand |
OTP |
One Time Programmable |
OVP |
Over Voltage Protection |
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PA |
Power Amplifier or Public Address |
PAL |
Programmable Array Logic |
PBX |
Private Branch eXchange |
PC |
Personal Computer or Printed Circuit or Program Counter |
PCB |
Printed Circuit Board |
PCC |
Plastic Chip Carrier |
PCM |
Pulse Code Modulation |
PEC |
PhotoElectric Cell |
PEP |
Peak Envelope Power |
PF |
Power Factor |
PG |
Power Gain |
PGA |
Pin Grid Array |
PIA |
Peripheral Interface Adapter |
PIC |
Priority Interrupt Controller or Parallax'es microcontroller name |
PIV |
Peak Inverse Voltage |
PIXEL |
PI(X)cture ELement |
PLA |
Programmable Logic Array |
PLCC |
Plastic Leaded Chip Carrier |
PLD |
Programmable Logic Device |
PLL |
Phase Locked Loop |
PM |
Phase Modulation or Pulse Modulation |
PNP |
Positive Negative Positive |
POS |
Point Of Sale or POSitive |
POV |
Peak Operating Voltage |
PPI |
Pixels Per Inch |
PPM |
Parts Per Million or Pulse Position Modulation |
PPS |
Pulses Per Second |
PRN |
Pseudo Random Noise |
PROM |
Programmable Read Only Memory |
PRV |
Peak Reverse Voltage or Peak Repetitive Voltage |
PSG |
Programmable Sound Generator |
PSI |
Pounds per Square Inch |
PSK |
Phase Shift Keying |
PTC |
Positive Temperature Coefficient |
PTT |
Push To Talk |
PUT |
Programmable Unijunction Transistor |
PV |
PhotoVoltaic |
PWM |
Pulse Width Modulation |
PWR |
PoWeR |
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QA |
Quality Assurance |
QC |
Quality Control |
QIC |
Quarter Inch Cartridge |
QIP |
Quad Inline Package |
QSM |
Quad Surface Mount |
QWERTY |
Standard keyboard layout |
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R |
Resistance |
R&D |
Research and Development |
RAD |
Radiation Absorbed Dose |
RADAR |
RAdio Detection And Ranging |
RAM |
Random Access Memory |
RAS |
Row Address Strobe |
RC |
Radio Control or Resistance and Capacitance |
RCV |
ReCeiVe |
RD |
Receive Data or ReaD |
RDA |
Deceive Data |
RDY |
ReaDY |
REM |
Roentgen Equivalent Man |
REP |
Roentgen Equivalent Physical |
RET |
RETurn |
RF |
Radio Frequency |
RFI |
Radio Frequency Interference |
RGB |
Red Green Blue |
RH |
Relative Humidity |
RHDP |
Right Hand Decimal Point |
RISC |
Reduced Instruction Set Computer |
RLC |
Resistance Inductance Capacitance |
RLG |
Ring Laser Gyroscope |
RMI |
Radio Magnetic Interference |
RMS |
Root Mean Square |
ROM |
Read Only Memory |
RPM |
Revolutions Per Minute |
RPN |
Reverse Polish Notation |
RPS |
Revolutions Per Second |
RS |
Reed Solomon |
RSSI |
Received Signal Strength Indication |
RT |
Real Time or Rise Time |
RTD |
Resistance Temperature Detector |
RTI |
Real Time Interrupt |
RTL |
Resistor Transistor Logic |
RTOS |
Real Time Operating System |
RTS |
Request To Send |
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S/H |
Sample and Hold |
S/N |
Signal to Noise |
SAW |
Surface Acoustic Wave |
SBC |
Single Board Computer |
SCA |
SubCarrier Adapter |
SCI |
Serial Communication Interface |
SCL |
Serial CLock |
SCR |
Silicon Controlled Rectifier |
SCS |
Silicon Controlled Switch |
SCSI |
Small Computer System Interface |
SD |
Standard Deviation |
SDI |
Strategic Defense Initiative |
SDRAM |
Synchronous Dynamic Random Access Memory |
SEM |
Scanning Electron Microscope |
SEMI |
Semiconductor Equipment and Materials Institute |
SFC |
polyStyrene Film Capacitor |
SG |
Signal Ground |
SHF |
Super High Frequency |
SI |
System International |
SIMM |
Single Inline Memory Module |
SINAD |
SIgnal-to-Noise-And-Distortion |
SIO |
Serial Input and Output |
SIPO |
Serial In Parallel Out |
SLC |
Single Layer Ceramic |
SM |
Surface Mount |
SMD |
Surface Mount Device |
SNAFU |
Situation Normal, All Fouled Up (other variations on F-word possible) |
SNR |
Signal to Noise Ratio |
SMT |
Surface Mount Technology |
SO |
Serial Output or Small Outline |
SOIC |
Small Outline Integrated Circuit |
SOJ |
Small Outline J-leaded |
SOLV |
SOLenoid Valve |
SONAR |
SOund NAvigation and Ranging |
SOP |
Small Outline Package |
SP |
Signal Processor or Stack Pointer |
SPDT |
Single Pole Double Throw |
SPI |
Serial to Parallel Interface |
SPICE |
Simulation Program with Integrated Circuit Emphasis |
SPL |
Sound Pressure Level |
SPST |
Single Pole Single Throw |
SQL |
Structured Query Language |
SR |
Shift Register |
SRAM |
Static Random Access Memory |
SSB |
Single SideBand |
SSI |
Small Scale Integration |
SSIXS |
Submarine Satellite Information eXchange System |
SSR |
Solid State Relay |
SSTV |
Slow Scan TeleVision |
SVGA |
Superior Versatile Graphics Adapter (800 x 600 pixels) |
SW |
Short Wave |
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T/H |
Track and Hold |
TC |
Temperature Coefficient |
TCP/IP |
Transmission Control Protocol/Internet Protocol |
TD |
Tunnel Diode |
TDD |
Telecommunication Devices for the Deaf |
TDR |
Time Domain Reflectometry |
TEM |
Transverse ElectroMagnetic |
TF |
Transfer Function |
TFD |
Thin Film Detector |
TFEL |
Thin Film ElectroLuminescent |
TFT |
Thin Film Transistor |
THD |
Total Harmonic Distortion |
THz |
Terra Hertz |
TI |
Texas Instruments (a company) |
TIG |
Tungsten Inert Gas |
TM |
Transverse Magnetic (wave) |
TR |
Transient Response |
TRIAC |
TRIode AC switch (bilateral SCR) |
TS |
Time Sharing |
TTL |
Transistor Transistor Logic |
TV |
TeleVision |
TWT |
Traveling Wave Tube |
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UART |
Universal Asynchronous Receiver/Transmitter |
_F |
micro Farad |
UHF |
Ultra High Frequency |
UHV |
Ultra High Vacuum |
UJT |
UniJunction Transistor |
UL |
Underwriters Laboratories |
ULSI |
Ultra Large Scale Integration |
UPC |
Universal Product Code |
UPS |
Uninterruptible Power Supply |
USART |
Universal Synchronous/Asynchronous Receiver/Transmitter |
USB |
Universal Serial Bus or Upper SideBand |
UTC |
Universal Time Code |
UV |
UltraViolet |
UVA |
UltraViolet Alpha |
UVB |
UltraViolet Beta |
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V |
Volt |
VA |
Volt Ampere |
VAC |
Volts Alternating Current |
VAR |
VARiable or Volt Amperes Reactive |
VARICAP |
VARIable CAPacitance diode |
VCC |
Supply Voltage |
VCD |
Variable Capacitance Diode |
VCO |
Voltage Controlled Oscillator |
VCR |
Video Cassette Recorder |
VDC |
Volts Direct Current |
VDD |
Supply Voltage |
VEE |
Supply Voltage |
VF |
Vacuum Fluorescent |
VFC |
Voltage to Frequency Converter |
VFO |
Variable Frequency Oscillator |
VGA |
Versatile Graphics Adapter (640 x 480 pixels) |
VHF |
Very High Frequency |
VLF |
Very Low Frequency |
VLSI |
Very Large Scale Integration |
VLT |
Video Look up Table |
VOL |
VOLume |
VOM |
Volt OhmMeter |
VOX |
Voice Operated transmit |
VR |
Voltage Regulator or Virtual Reality |
VRAM |
Video Random Access Memory |
VS |
Vertical Sync |
VSS |
Supply Voltage |
VT |
Virtual Terminal |
VTM |
Voltage Tunable Magnetron |
VTO |
Voltage Tuned Oscillator |
VTVM |
Vacuum Tube Volt Meter |
VXO |
Variable crystal Oscillator |
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WACK |
Wait before ACKnowledge |
WDT |
Watch Dog Timer |
WH |
Watt Hour |
WHR |
Watt HouR |
WP |
Word Processor |
WPM |
Words Per Minute |
WR |
WRite |
WV |
Working Voltage |
WVDC |
Working Volts DC |
Ww |
Wire Wound or Wire Wrap |
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XGA |
eXtended Graphics Adapter |
XMT |
TransMiT |
XOFF |
Transmit OFF |
XON |
Transmit ON |
XTAL |
CrysTAL |
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YAG |
Yttrium Aluminum Garnet |
YIG |
Yttrium Iron Garnet |
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ZD |
Zero Defects |
ZDT |
Zero Defect Tolerance |
ZIF |
Zero Insertion Force |
ZIP |
Zigzag Inline Package |