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郭勳星,李斗秀,金定德 全北大學校 1980 論文集 Vol.22 No.-
This paper introduces a technique for implementing a second order recursive digital filter. The realization is based on the residue number system and sequentially multiplexing two look-up tables which are used for the operations of addition and multiplication. The data rate of the filter implemented with microprocessor is improved under some assumption.
演算 增幅器를 利用한 2階 RC 能動 濾波回路의 設計에 關하여
郭勳星,李斗秀,金定德 全北大學校 1978 論文集 Vol.20 No.-
State variable technique was introduced to realize active filters which have arbitrarily and independently assigned poles and zeros in the s-plane with the exception of poles at the origin. The networks designed by the state variable technique have a great deal of advantages but ideal active elements have been used for the design. This is not practical. In this paper, a method of design of active filters by state variable technique is introduced by using practical active elements. The active filters owing to this method have been proved experimentally to have a little more stable characteristics on high quality factor.