SUCCESSIVE APPROXIMATION TUNING OF MONOLITHIC CONTINUOUS-TIME FILTERS

被引:5
|
作者
FRANCA, JE
NUNES, F
机构
[1] Department of Electrical and Computer Engineering, Instituto Superior Técnico, 1096 Lisboa Codex, Av. Rovisco Pais
关键词
FILTERS; CIRCUIT DESIGN;
D O I
10.1049/el:19921078
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The Letter proposes the tuning of monolithic continuous-time filters employing a successive approximation algorithm to control the automatic adjustment of a two-integrator loop to its nominal resonant frequency depending on an error signal provided by a digital phase discriminator. This achieves high-precision tunability which does not depend on tight circuit matching.
引用
收藏
页码:1696 / 1697
页数:2
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