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ACE9040 provides all the speech signal processing and data/SAT tone filtering needed for AMPS or TACS analog cellular telephones. Transmit voice channel functions comprise a microphone amplifier, soft limiter, bandpass filter, compressor, hard limiter, lowpass filter and a gain controlled amplifier to set deviation level. Additional transmit circuits include a DTMF generator, data and SAT filters, deviation setting amplifiers for data/ST and SAT and a modulation combiner.
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The CS7410 is a comprehensive silicon solution with powerful processing capabilities and advanced features for the music and technology enthusiast. The CS7410 is a total solution that includes CD-based MP3 and WMA playback. In addition to the extensive feature set for the CD decoder market, the CS7410 has low power requirements and a small package size, which make it a standard-setting IC solution for portable electronics. Typical applications for the CS7410 include portable CD-based MP3/WMA players and boomboxes.
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The FX806 is a PMR Audio Processor intended primarily to operate as the 'Audio Terminal' of Radio Systems using the DBS 800 Digitally- Integrated Baseband System.
The FX806 is a half-duplex device whose signal paths and level setting elements are configured and adjusted by digital information sent from the Radio Controller using 'C-BUS' hardware and software protocol.
The signal path of the FX806 can be viewed as 3 sections:
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