A NEW MULTIFUNCTION SWITCHED-CURRENT BIQUADRATIC FILTER

Meng Xiangru; Qiu Guanyuan

Volume 19 Issue 4

Jul. 1997

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Article Navigation > Journal of Electronics & Information Technology > 1997 > 19(4): 570-573

Meng Xiangru, Qiu Guanyuan. A NEW MULTIFUNCTION SWITCHED-CURRENT BIQUADRATIC FILTER[J]. Journal of Electronics & Information Technology, 1997, 19(4): 570-573.

Citation:

Meng Xiangru, Qiu Guanyuan. A NEW MULTIFUNCTION SWITCHED-CURRENT BIQUADRATIC FILTER[J]. Journal of Electronics & Information Technology, 1997, 19(4): 570-573.

Meng Xiangru, Qiu Guanyuan. A NEW MULTIFUNCTION SWITCHED-CURRENT BIQUADRATIC FILTER[J]. Journal of Electronics & Information Technology, 1997, 19(4): 570-573.

Citation:

Meng Xiangru, Qiu Guanyuan. A NEW MULTIFUNCTION SWITCHED-CURRENT BIQUADRATIC FILTER[J]. Journal of Electronics & Information Technology, 1997, 19(4): 570-573.

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A NEW MULTIFUNCTION SWITCHED-CURRENT BIQUADRATIC FILTER

Meng Xiangru^{①;邱关源},
Qiu Guanyuan

Received Date: 1995-09-21
Rev Recd Date: 1996-06-27
Publish Date: 1997-07-19

Abstract

Abstract

A switched-current(SI) modified universal building-block(MUB) is proposed with low sensitivities as well as positive and negative outputs. Various basic operations of sampled-data signal processing can be performed by the MUB. Based on this building-block, a new SI high-Q biquadratic filter is generated from the switched-capacitor prototype by the means of signal flow graphes, which can obtain low-pass, high-pass, bandpass and band-reject filtering functions.

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References(1)

References

Hughes J B, Bird N C, Macbeth I C. Switched currents-A new technique for analog sampled-data[2]signal processing. Proc. IEEE ISCAS. Portland, USA: 1989, 1584-1589.[3]Hughes J B, Macbeth I C, Pattullo D M. Switched-current filters. IEE Proc.-G, 1990, 137(2): 156-162.[4]Tse C K, Chun K C. IEEE Trans. on CAS-II, 1995, CAS-42(5): 356-359.[5]Gates J W, EI-Masry E I. IEEE Trans. on CAS-II, 1996, CAS-43(1): 24-30.[6]孟相如,邱关源..基于差分器的开关电流高通梯形滤波器的设计.电子科学学刊,1995, 17(1): 60-68.[7]Gregorian R, Martin K W, Temes G C. Switched-capacitor circuit design[J].Proc. of IEEE.1983, 71(8):941-966

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