SIGNAL FLOW GRAPH OTA-C HIGH-PASS FILTERS

Cai Guochang; Wu Jie; He Yigang

Volume 15 Issue 5

Sep. 1993

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Cai Guochang, Wu Jie, He Yigang. SIGNAL FLOW GRAPH OTA-C HIGH-PASS FILTERS[J]. Journal of Electronics & Information Technology, 1993, 15(5): 482-486.

Citation:

Cai Guochang, Wu Jie, He Yigang. SIGNAL FLOW GRAPH OTA-C HIGH-PASS FILTERS[J]. Journal of Electronics & Information Technology, 1993, 15(5): 482-486.

Cai Guochang, Wu Jie, He Yigang. SIGNAL FLOW GRAPH OTA-C HIGH-PASS FILTERS[J]. Journal of Electronics & Information Technology, 1993, 15(5): 482-486.

Citation:

Cai Guochang, Wu Jie, He Yigang. SIGNAL FLOW GRAPH OTA-C HIGH-PASS FILTERS[J]. Journal of Electronics & Information Technology, 1993, 15(5): 482-486.

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SIGNAL FLOW GRAPH OTA-C HIGH-PASS FILTERS

Received Date: 1992-05-07
Rev Recd Date: 1992-12-07
Publish Date: 1993-09-19

Abstract

Abstract

A design technique for high-pass filters using OTA differentiator is presenred. By means of the leapfrog synthesis of the active filters, the OTA-C realization of the highorder high-pass filters is built up. The filter is compatible with MOS process. It has low sensitivity performance and high cut-off frequency, and can be tuned conveniently by the external voltages. Experimental results and P-SPICE simulation are given to prove its feasibility

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References(1)

References

虢违頠,刘建献,杨山,电子学报,17(1989)4,106-109.[2]吴杰,通信学报,12(1991)4,76-78.[3]Antonioc, M. de Queiroz et al., Signal Flow Graph OTA-C Integrated Filters, Proc.EEE/ISCAS, ESPOO, Finland, June 7-9, 1988, pp. 2165-2168.[4]R. Nandi, Electron. Lett., 18(1980)17, 666-667.

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