List of Acronyms and Abbreviations
ABBREVIATION OR ACRONYM | DEFINITION |
|---|---|
# | Number |
Ω | Ohm (Resistance) |
@ | At |
°C | Degrees Celsius |
°F | Degrees Fahrenheit |
A | Ampere |
A/D | Analog-to-Digital |
ACP | Audio Control Panel |
ADC | Analog-to-Digital Converter |
ARINC | Aeronautical Radio, Incorporated |
Assy | Assembly |
BAC# | Boeing Aircraft Company Specification Number |
BCD | Binary-Coded Decimal |
BIT | Built-In-Test |
B/U | Back-up |
CAP | Captain or Capacitor |
CCW | Counterclockwise |
CMM | Component Maintenance Manual |
Comm | Communications |
CMOS | Complementary Metal Oxide Semiconductor |
CPU | Central Processing Unit |
CRC | Cyclic Redundancy Check |
Ctrl | Control |
CW | Clockwise |
D/A | Digital-to-Analog |
DC | Direct Current |
DHCP | Dynamic Host Configuration Protocol |
DISP | Display |
DLK | Datalink |
EEPROM | Electrically Erasable Programmable Read-Only Memory |
EFIS | Electronic Flight Information System |
EPROM | Erasable Programmable Read-Only Memory |
ESD | Electrostatic Sensitive Device |
ESDS | Electrostatic Discharge Sensitive |
F | Farad (Capacitance) |
FH | Fire Handle |
FO | First Officer |
F/O | First Officer |
Fed. | Federal Standard (USA) |
FET | Field-Effect Transistor |
Fig | Figure |
FPGA | Field-Programmable Gate Array |
FREQ | Frequency |
FTDI | Future Technology Devices International |
GND | Electrical Ground |
GRCC | GRCC Corporation |
HF | High Frequency |
HFDL | HF Data Link |
HFDR | HF Data Radio |
HFDU | HF Data Unit |
HI | High |
Hz | Hertz |
I/O | Input/Output |
IC | Integrated Circuit |
ICD | Interface Control Document |
ID | Internal Diameter |
Ident | Identification |
In. | Inch |
INOP | Inoperable |
IP | Internet Protocol |
IPL | Illustrated Parts List |
kHz | Kilo Hertz |
Lbs | Pound Mass |
LCD | Liquid Crystal Display |
LED | Light Emitting Diode |
LO | Low |
LRU | Line Replaceable Unit |
LSB | Least Significant Bit |
M | Mega = 10+6 |
m | Milli = 10-3 |
MAC | Media Access Control |
MAX | Maximum |
MCP | Mode Control Panel |
MCU | Microcontroller Unit |
MHz | Mega Hertz |
Mic | Microphone |
MIN | Minimum |
MKP | Multifunction Keypad |
mm | Millimeter |
MMR | Multimode Receiver |
MSB | Most Significant Bit |
NAV | Navigation Panel |
nc | Circuit designation for “normally closed” |
NC | Not Connected |
no | Circuit designation for “normally open” |
No. | Number |
OBS | Observer |
p | Pico |
p/n | Part Number |
PCB | Printed Circuit Board |
PCBA | Printed Circuit Board Assembly |
PHY | Physical Layer |
PNL | Panel |
Pot | Potentiometer |
PWM | Pulse Width Modulator (Or Modulation) |
RAM | Random Access Memory |
RCV | Receiver |
Rev. | Revision |
RF | Radio Frequency |
RMS | Root Mean Square |
ROM | Read-Only Memory |
RSVD | Reserved |
RTN | Return |
RTP | Radio Tuning Panel |
RX | Receive or Receiver |
sec | Second |
SEL | Select |
SENS | Sensitivity |
SPI | Serial Peripheral Interface |
Sq | Squelch |
STBY | Standby |
Subassy | Sub-Assembly |
TPU | Time Processor Unit |
TTMi | Tri-Tech Manufacturing, Inc. |
u (or μ) | Micro |
UART | Universal Asynchronous Receiver/Transmitter |
UDP | User Datagram Protocol |
UI | User Interface |
USB | Universal Serial Bus |
UUT | Unit-Under-Test |
VAC | Volts Alternating Current |
VDC | Volts Direct Current |
VDR | VHF Data Radio (ARINC 750) |
VHF | Very High Frequency |
VOR | VHF Omnidirectional Range |
W | Watt (Power) |
XCVR | Transceiver |
XFR | Transfer |