(Two separate 32-tone FIFOs are provided and support fast switching between tone sets).Įach programmed tone (entry in the list) is user-assigned to one of two (or both) tone groups. Up to 32 user-defined decode tone frequencies from 280Hz to 3500Hz are written to an internal RAM-based FIFO. The CMX823 is a high performance, low power, audio tone decoder that can operate on low S/N signals.Įach decoded tone frequency is user-defined to provide the flexibility to operate in a variety of paging, two-way radio and proprietary systems.Įxample systems and tones include: Motorola Quick Call series GE groups A, B and Zetron, Reach and Plectron 2-tone radio paging Motorola 5/6-tone paging and the EIA, CCIR, ZVEI1 and EEA tonesets used for HSC radio paging and selcall. Multi-mode Wireless Packet Data Modems, FFSK, GMSK, 2-16 FSK, 4-64 QAM.Low-Power Modems, DTMF, Call Progress Detectors, SPM Detectors.VDES, Marine VHF, AIS, SART, AToN, MOB, exactTrax.Low bit rate Vocoders: RALCWI & TWELP, CVSD, ADM, PCM,G.711, G.723.1, G.729A.Common Platform PMR/LMR Radio Application.Software Defined Radio (SDR) Application.DMR, NXDN, dPMR, ARIB, PDT, TETRA, APCO P25.I/Q Modulators/Demodulators, Power Amplifiers, Cartesian Loop Transmitter, Direct Conversion, 2.7GHz Up/Down Conversion.1W/2W Power Amplifiers, 28GHz Power Amplifiers, Positive Gain Blocks.
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