PARASITIC TOLERANT DIFFERENTIAL SC TRANSCONDUCTANCE USING UNITY GAIN BUFFERS

Li Wenzhe; Lin Feng; Chang Weiguo; Wang Dejun

Volume 12 Issue 6

Nov. 1990

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Li Wenzhe, Lin Feng, Chang Weiguo, Wang Dejun. PARASITIC TOLERANT DIFFERENTIAL SC TRANSCONDUCTANCE USING UNITY GAIN BUFFERS[J]. Journal of Electronics & Information Technology, 1990, 12(6): 600-606.

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PARASITIC TOLERANT DIFFERENTIAL SC TRANSCONDUCTANCE USING UNITY GAIN BUFFERS

Received Date: 1969-10-09
Rev Recd Date: 1990-03-05
Publish Date: 1990-11-19

Abstract

Abstract

The unity gain buffer will be good for designing high frequency SCF if its resistive effect can be eliminated and then the overall parasitic sensitivity will be greatly lowered. Based on this concept, a new parasitic tolerant SC differential transconductance element (DTE) is proposed. SC floating inductor and integrator applicable to high frequency are formed by using the DTE. The computer simulation and experiment on a 3-order elliptic LP filter show the correctness of the concept.

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References(1)

References

K. Nagaraj, J. Vlach, IEEE Trans on CAS, CAS-35(1988)1, 35-42.[2]A. De La Plaza, IEEE J. of SC, SC-21(1986)6, 470-477.[3]A. Fettweis, AEU, 33(-1979)1, 13-19.[4]S. C. Fan, et al., Switched-Capacitor Fitters Using Unity Gain Buffers, Proc. ISCAS'80, Houston, (1980), pp. 334-337.[5]T. R. Wiswarathan, et al., IEEE Trans on CAS., CAS-27(1980)6, 502-508.[6]J. A. Nossek, G. C. Temes, IEEE Trans on CAS., CAS-27(1980)6, 481-491.[7]H. J. Orchard, G. C. Temes, Spectral Analysis of Switched-Capacitor Filters Designed Using Bilinear Z-Transform, Conf. Rec. of 21th AsiIomar Conf, on Cirsuits Syst.and Computers, (1987), pp. 674-678.[8]M. S. Lee, C. Chang, IEEE Trans. on CAS, CAS-27(1980)6, 475-480.

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