quadrature mirror filter.it is used as fir filter.

AD9854数字合成器是高集成度的器件，它采用先进的DDS技术，片内整合了两路高速、高性能正交D/A转换器通过数字化编程可以输出I、Q两路合成信号。-AD9854 digital synthesizer is a highly integrated device that uses advanced DDS technology, on-chip integration of two-way high-speed, high-performance quadrature D/A converte