Softrock Lite II Acronyms
Acronym Definitions
This page provides a list of acronyms which you may encounter in Software Defined Radio projects. The list was initiated by Alan, W6ARH in collaboration with Ron, KU7Y.
Acronym | Definition |
---|---|
1E | SDR-Radio.com Internet client/server application |
ABPF | Auto Band Pass Filter |
ADC | Analog to Digital Converter |
AFSK | Audio Frequency Shift Keying (Base band Modulation) |
APRS | Automatic Packet Reporting System |
ATiny45 | Microcontroller/microprocessor |
ATiny85 | Microcontroller/microprocessor |
AVR | Atmel low power, high performance microcontroller |
BOM | Bill of Materials - a list of the materials and quantities required to build/construct a kit |
BPF | Band Pass Filter - a device that passes frequencies within a certain range and rejects (attenuate s) frequencies outside that range |
CD | Compact Disk media format and form factor |
CFGSR | Software to program the Si570 using a USB interface |
DAC | Digital to Analog Converter |
DDS | Direct Digital Sampling |
DFU | Device Firmware Update |
DIL | Dual In-line circuit |
Dimension 4 | Software for Microsoft Windows that synchs PC time to internet time at chosen intervals (important to programs such as WSPR) |
DIPS | Dual In-line Package |
DLL | dynamic linked library (Microsoft program support) |
DMM | Digital Multi-Meter |
DOS | Disk Based Operating System for Personal Computers |
Dragon | an FPGA development board that plugs into a PCI and/or USB port |
Dream | Open-source application to run DRM |
DRM | Digital Radio Mondaile a set of digital audio broadcasting technologies used for AM HF; Digital Rights Management |
DSP | Digital Signal Processing |
DttSP | Linux based SDR management software |
EIA | Electronics Industries Alliance (Standards) |
EMI | Electro-Magnetic Interference |
EMU0202 | Creative Labs Sound Card for PCs |
EVK | Alereon Ultraband prototype development platform |
FCC | US Federal Communication Commission |
FCC-1 | Frequency Meter kit from the Northern California QRP Club |
FEC | Forward Error Correction |
FELD HELL | Facsimile protocol for HF images (AKA "HellSchreiber") |
FET | Field Effect Transistor |
FPGA | Field Programmable Gate Array |
FSK | Frequency Shift Keying |
HEX | hexadecimal numerical presentation. Also used to describe a file of computer instructions in hexadecimal notation. |
HID | Human Interface Device |
HRD | Ham Radio Deluxe |
HVS | High Voltage Serial (has something to do with programming Atiny AVR processors) |
I,Q | Signals used in SDR. The I (in-phase) and Q (quadrature) signals are identical in all respects except phase (there is 90 degree phase difference between them - "quadrature") |
I2C | (Inter-IC) bus is a bi-directional two-wire serial bus |
IC | Integrated Circuit |
ICE | In Circuit Emulation (used to diagnose IC behavior) |
IDC | Insulation Displacement Connector (e.g., ribbon cable D9 IDC) |
IDC | Integrated Distribution Circuit |
IF | Intermediate Frequency |
ISP | In circuit serial programming (aka, In System Programming) |
ISP | internet service provider |
JTAG | Joint Test Action Group; Programmable Methods of Interface Testing; type of soldering technique |
KGKSDR | M0KGK SDR Decoder Software |
LCD | Liquid Crystal Display |
LED | Light Emitting Diode |
LO | Local Oscillator |
LPT | (Line Print Terminal) Parallel Printer I/O port on PC |
LVPECL | Low Voltage Positive Emitter Coupled Logic (associated with FPGA) |
MCU | (Micro Controller Unit) Microcomputer on a chip; Motor Control Unit |
MME | Software Application Programming Interface for managing audio streams (Introduced by Microsoft in 1991) |
Mobo | The 9V1AL Motherboard (MoBo) is a plugin addition to the Softrock RxTx v. 6.3 transceiver kit |
Panadapter | A device designed to operate with a search receiver to provide a visual presentation on an oscilloscope screen of a band of frequencies extending above and below the center frequency to which the search receiver is tuned. |
PC | Personal Computer |
PCB | Printed Circuit Board |
PCI | Personal Computer Interface (device I/O card form factor) |
PIC | (Programmable Interface Controller) Microcontroller/microprocessor |
PowerSDR | Flexradios software interface to their products and other SDRs. |
PowerSdr-IQ | PowerSDR-IQ is a program for homebrew SDR designs. A variantof PowerSDR designed for use with homebrew IQ SDRs. Ported by Christos, SV1EIA |
PowerSdr-SR40 | A variant of PowerSDR designed for use with the Softrock line of SDR radios. |
PSDR | Programmable Software Defined Radio |
PSK | Phase Shift Keying |
PSK31 | Phase Shift Keying, 31 Baud developed by English amateur radio operator Peter Martinez (G3PLX) |
QDE | Quadrature Direct Exciter |
QRP | Low Power Communications |
QSD | Quadrature Sampling Detector (the heart of an SDR receiver) |
QSE | Quadrature Sampling Exciter (the TX opposite of RX QSD) |
QUCS | Quite Universal Circuit Simulator (Open Source Unix/Linux program) |
RTTY | Radio Teletype |
RX | Receive |
RXTX | Transceive (RX and TX in same radio) |
SDR | Software Defined Radio |
SDRDLL.dll | software routines to handle USB interfaces to software designed radios |
SFDR | Spurious-free Dynamic Range |
SI570 | ANY-RATE I2C PROGRAMMABLE XO/VCXO |
SIL | Single In-Line |
SIP | System In Package (multiple instances in a group) |
SMD | Surface Mount Device |
SMT | Surface Mount Technology |
SSTV | Slow Scan Video over HF |
SVN | Subversion Software Version Management System |
TX | Transmit |
UBW | USB Bit Wacker, An inexpensive board to expose USB signals to other home brew projects |
UMDF | User Mode Driver Framework: device-driver development platform first introduced with Microsoft's Windows Vista operating system, and is also available for Windows XP. It facilitates the creation of drivers for certain classes of devices. |
USB | Universal Serial Bus I/O specification (computer interface port) |
USRP | Universal Software Radio Peripheral (Open Source/Gnu FPGA Software Radio) |
VAC | Virtual Audio Connection |
VCO | Voltage Controlled Oscillator |
VCXO | Voltage Controlled Crystal Oscillator |
VDDIN | Input Voltage for Digital Devices |
VDDIO | I/O Buffer for VDD |
VFO | Variable Frequency Oscillator |
VNA | Vector Network Analysis |
WinRad | A windows software-defined radio program modeled on Leif, SM5BSZ's Linrad software. |
WSPR | Weak Signal Propagation Reporter |
XO/VCXO | Crystal Oscillator/Voltage Controlled Crystal Oscillator |
Xtal | Crystal |
ZIF | Zero Insertion Force (type of socket for ICs) |