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A BiCMOS low-voltage linear transconductor for VHF Gm-C filters

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1 Author(s)
Tsung-Sum Lee ; Dept. of Electron. Eng., Nat. Yunlin Univ. of Sci. & Technol., Taiwan, China

A new BiCMOS low-voltage transconductor suitable for VHF transconductance-C (Gm-C) filter is proposed. The transconductance is tunable with a control voltage. The output resistance of the transconductor is compensated and the resulting output resistance can be fine-tuned by means of a separate voltage. The transconductor has a large bandwidth due to having parasitic poles at extremely high frequencies. The performance of the transconductor is demonstrated by simulation results

Published in:

Circuits and Systems, 1998. IEEE APCCAS 1998. The 1998 IEEE Asia-Pacific Conference on

Date of Conference:

24-27 Nov 1998