Design of wide-band high-linearity transimpedance amplifier using standard CMOS technology
Zheng Gu,
Siqi Wang,
Chungang Lu
et al.
Abstract:In this paper, the design methodology of a high-linearity wide-band transimpedance amplifier (TIA) for cable television (CATV) application is addressed. A simple four-stage topology is proposed to maintain a well-balanced linearity over a wide operating band. The regulated cascode (RGC) input stage is used to match an input impedance of 75 Ω, followed by a gain stage with enhanced bandwidth. The high-linearity output stage is able to drive the 75 Ω load directly with high output swing under a high supply volta… Show more
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