Digital Voice Systems VC-20-ATC-10B Especificaciones Pagina 10

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FAA20 Embedded NEXCOM Vocoder
Board Manual
This manual has been prepared for the Federal Aviation Administration.
FA100-00107 (March 2004) Rev 1.0.0 Page 4
2.2 Features
The FAA20 features include:
TMS320C5416-160 High Performance DSP Engine
Dual RS-232 serial ports (supports transfer rates up to 921,600 bps)
Downloadable software (via RS-232 ports)
16-bit Linear Audio Codec with external anti-aliasing filters
Pulse Code Modulated (PCM) Digital Linear Voice Interface
(supports time division multiplexed frame format, external/internal
clocking modes, programmable serial date rates up to 4 Mbps)
Optional Truncated Timing Mode Rate Adapter (adapts standard 8K
linear data to truncated 6.6K rate)
Compressed Nibble Interface (VC20 compatible, internal/external
clocking modes)
Optional Extended Nibble Interface mode (supports virtual COM3
interface using spare bandwidth in the compressed nibble frame)
Forward Error Correction (FEC) status reporting
Built-in Tone Generator and Detector
Five-Port Linear Voice Mixer (vocoder, analog, PCM, tone generator,
and COM port)
Three-Port Compressed Voice Router (vocoder, nibble interface, and
COM port)
Terminal Command Processor with built-in help and flash memory
configuration retention
Programmable LEDs and 8-position configuration switch bank
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