CXA2174S US Audio Multiplexing Decoder Description The CXA2174S is an IC designed as a decoder for the Zenith TV Multi-channel System and also corresponds with I2C BUS.
Functions include stereo demodulation, SAP (Separate Audio Program) demodulation, dbx noise reduction and sound processor.
Various kinds of filters are built-in this IC.
Adjustment, mode control and sound processor control are all executed through I2C BUS.
Features • Alignment-free VCO and filter • Audio multiplexing decoder dbx noise reduction decoder sound processor — One external input — Volume control are all included in a single chip.
Almost any sort of signal processing is possible through this IC.
• Input level, separa...

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