Product Literature


DSP Vocoder Chips
AMBE-3000™ Vocoder Chip AMBE-3003™
Multi-Channel Vocoder Chip
AMBE-3000™ Brochure (780kb) AMBE-3003™ Brochure (104kb)
AMBE-3000™ Manual Version 2.8 (3.1Mb) AMBE-3003™ Manual Version 1.3 (1.1Mb)
AMBE-2000™ Vocoder Chip
AMBE-2000™ Brochure (99kb)
AMBE-2000™ Manual Version 4.92 (3.1MB)
AMBE-2020™ Vocoder Chip
AMBE-2020™ Brochure (93kb)
AMBE-2020™ Manual Version 4.92 (2.9MB)
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USB
USB-3000™ and USB-3000™ P25
USB-3000™ Brochure (68kb)
USB-3000™ Manual (2.3Mb)
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Vocoder Boards
AMBE-3000™ HDK
AMBE-3000™ HDK Brochure (274kb)
AMBE-3000™-HDK Manual Version 0.9 (4.2Mb)
AMBE-20x0™ HDK
AMBE-20x0™ HDK Brochure (274kb)
AMBE-20x0™ HDK Manual Version 2.2 (3,7687kb)
VC-55™-PR Single Channel Vocoder Board
VC-55™-PR Brochure (193kb)
VC-55™-PR Manual Version 1.1 (406kb)
VC-20™ Vocoder PCB
VC-20™ Brochure (63kb)
VC-20-MR2™ Manual Version 2.0 (63kb)
VC-20-ATC-10b™ Manual Version 1.0 (134kb)
VC-20-PRJ25™ Manual Version 2.0 (460kb)
VC-20-MM™ Manual Version 2.0 (140kb)
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Voice Codec Units
Net-2000™ Voice Codec Unit
Net-2000™ Brochure (226kb)
Net-2000™ VCU Manual (755kb)
Net-2000-P25™ Voice Codec Unit
Net-2000-P25™ Brochure (169kb)
Net-2000-P25™ Manual Version 2.0 (739kb)
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Application Notes

AMBE-2000™ and AMBE-2020™ Vocoder Chips

Interfacing to the Analog Devices AD73311 or AD73311L codecs (169k)
Interfacing to the Texas Instruments'TLV320AIC10 codec (177k)
Interfacing to the Texas Instruments' PCM3500 codec (158k)
Soft Decision Error Decoding (261k)
Special Rate 2350/50 (Voice/FEC) AMBE-1000™ Vocoder Chip Compatible Mode (95k)

VC-20™ Vocoder Board Serial Interface

Interfacing to the VC-20 Serial Data Stream (169k)
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Papers
APCO Project 25 Training Guide
provided courtesy of Daniels Electronics, Ltd.
AMBE+™ Vocoder: Toll-Quality at 4.0 kbps
Application of Vocoders to Wireless Communications
IMBE™ and AMBE™ Speech Compression
Maximizing Channel Capacity in a Voice Communications Network
Multi-Band Excitation Technology Abstract
Voice Coding Overview
Practical HF Digital Voice
This article originally appeared in QEX Magazine, May/June 2000. For information about QEX, go to http://www.arrl.org/qex.  Link provided with permission.