The bi- quad type filter circuit which consists of the bit binary rate multiplier

摘要

Topic There is the demand for the filter which does not need the bit width which possesses equal accuracy, to that of the FIR filter but is wide.SolutionsThe sigma delta device which operates the binary rate multiplier (BRMs) as (108, 110 and 118) with the bi- quad type filter circuit which is formed (100) it regards. Unlike the former bi- quad type filter circuit, this invention offers the bi- quad type filter which is formed at single bit BRM. In another execution example, this invention furthermore, offers the bi- quad type filter which is formed at multiple bit BRMs.