Realization of monolithic variable integrators and their application to automatically tunable high-frequency active filters

被引：0

作者：

Nishio, Kenichi ^{[1
]}

Watanabe, Yoshiju ^{[1
]}

Takagi, Shigetaka ^{[1
]}

Yanagisawa, Takeshi ^{[1
]}

Furihata, Makoto ^{[1
]}

Nagata, Minoru ^{[1
]}

机构：

[1] Sony Corp, Japan

来源：

Electronics and Communications in Japan, Part II: Electronics (English translation of Denshi Tsushin Gakkai Ronbunshi) | 1988年 / 71卷 / 08期

关键词：

Electric Filters; Active--Design - Electric Filters; High Pass--Design - Electronic Circuits; Integrating;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

With the widespread use of home video and other equipment, it is strongly desired to realize a high-frequency monolithic IC active RC filter. This paper proposes a method of constructing the integrator with voltage-controlled current source operated by a single 5-V supply. The proposed integrator is of a variable characteristic with differential inputs, and, consequently, an automatically tunable leapfrog-type filter can be realized. The experimental result agree well with the theory, indicating that the whole filter can be realized by a monolithic IC.

引用

页码：32 / 42

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