CMX638Q3 Description

The CMX638Q3 is a flexible, high integration, high performance, RALCWI (Robust Advanced Low Complexity Waveform Interpolation) Vocoder, offering near-toll-quality voice at very low bit rates. 

CMX638Q3 Features

• Near Toll Quality RALCWI Coding Algorithm

• Multiple Bit Rate Modes:

• -2400 or 2750 bps

• -3600 bps with FEC Enabled

• 4-bit Viterbi Soft Decision Decoding

• Integrated Audio CODEC (CMX618/CMX638 only)

• Integrated Input and Output Channel Filters

• 20ms, 40ms, 60ms and 80ms Packet Lengths

• No Licensing or Royalty Payments

• 1.8V Low Power Operation, 3.3V Tolerant I/O

• Small 48-pin LQFP and VQFN Packages

CMX638Q3 Applications

• Digital PMR, LMR, Voice Radio

• Digital Trunking

• DMR TDMA

• DMR FDMA, dPMR

• Digital Voice Scrambling and Encryption

• Digital WLL

• Voice Storage and Playback Systems

• Regenerative Digital Voice Repeaters

• Messaging Systems

• VoIP Systems

• Voice Pagers