Application of multiplying digital-to-analogue convertor to digital control of active filter characteristics
作者:
J.M.Zurada,
期刊:
IEE Proceedings G (Electronic Circuits and Systems)
(IET Available online 1981)
卷期:
Volume 128,
issue 2
页码: 91-92
年代: 1981
DOI:10.1049/ip-g-1.1981.0018
出版商: IEE
数据来源: IET
摘要:
The paper examines the use of the multiplying digital-to-analogue convertor (DAC) in op-amp inverting summers and integrators. The digitally controlled analogue filtering circuits are obtained when analogue computer-typeRCfilters are implemented with digitally controlled summers and integrators. An example of a fully programmable state variable bandpass filter is outlined.
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