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Registered in England No: 4264387 Registered Office: ,7 Theatre Court, London Road, Sales -Support -Marketing ©Copyright: KCL 1986-2008
NatureDSP 4FSK Library
Features
Support both 4800/9600 bps PMR/LMR modes and 9600 bps APCO P25 mode
Flexible test pattern generator and BER tester
Fast synchronization on two user-selectable bit patterns or by soft decision threshold
Repeater mode with automatic TX clock rate adjustment
TX jitter buffer enables clock rate alignment
Log-likelihood soft decision output compatible with DVSI AMBE vocoder data format
I/Q and voiceband inputs
Adaptive adjustment of RX deviation
Economy DARAM/cache usage
True fixed point implementation with saturation, no floating point
Fully portable ANSI C code
Library for MS Visual Studio for free – enables development under PC environment
Ordering Info: Part No.
Description
NatureDSP 4FSK is software data pump for 4FSK/C4FM data transmission over UHF channels. It supports 4800/9600 bps data modulation formats for PMR/LMR and APCO P25 standards both for 12.5 kHz and 25 kHz channels. Flexible interfaces allow to integrate it into base-stations, repeaters and inexpensive handheld radios.
This software package is available in binaries and in source code written on fully portable C-language for:
Texas Instruments TMS320C54xx, TMS320C55xx, TMS320C64xx, OMAP, DaVinci
ARM7, ARM9, ARM9E
MS Windows
XDAIS compliant library is available upon request
Applications
Digital UHF two-way radios
Base-stations and repeaters
APCO P25/PMR/LMR equipment
Software defined radio
Related
Products
NatureDSP Signal (collection of signal processing routines needed for implementation of typical algorithms for voice/audio processing) NatureDSP Math (fixed point digital signal processing library) NatureDSP Squelch+ (software package providing CTCSS/DCS sub-audio signaling functions for FRS)
