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The design of high-pass and band-pass ladder filters using novel SC differentiators

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2 Author(s)
Chung-Yu Wu ; Dept. of Electr. Eng. & Inst. of Electron., Nat. Chiao Tung Univ., Taiwan, China ; Tsai-Chung Yu

The design methodology and design equations of switched-capacitor (SC) high-pass and band-pass ladder filters using SC differentiators are presented. It is shown that the design method is straightforward, and the resultant SC ladder filters have a concise and fully stray-insensitive structure with a low component sensitivity. Moreover, they do not have a DC instability problem. In SC ladder filter design, therefore, the proposed differentiator-based methodology can be incorporated with the conventional integrator-based one to design all kinds of ladder filters with satisfactory performances

Published in:

Circuits and Systems, 1989., IEEE International Symposium on

Date of Conference:

8-11 May 1989