All circuit blocks of ADPCM codec are studied and the ADPCM algorithm is described and implemented with mixed-signal CMOS circuits specially.

 
  • 整个系统包括:内置振荡器,时钟产生器,放大器,前置运算放大器,自动增益控制器(AGC),ADPCM编解码器和数模转换器等,我们着重完成了ADPCM编解码器核心算法的电路设计。
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