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Title: Pole-converging intrastage bandwidth extension technique for wideband amplifiers
Authors: Feng, Guangyin
Boon, Chirn Chye
Meng, Fanyi
Yi, Xiang
Yang, Kaituo
Li, Chenyang
Luong, Howard C.
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2017
Source: Feng, G., Boon, C. C., Meng, F., Yi, X., Yang, K., Li, C., & Luong, H. C. (2017). Pole-converging intrastage bandwidth extension technique for wideband amplifiers. IEEE Journal of Solid-State Circuits, 52(3), 769-780. doi:10.1109/JSSC.2016.2641459
Journal: IEEE Journal of Solid-State Circuits
Abstract: To overcome limitations on bandwidth extension in conventional design techniques, a novel pole-converging technique with transformer feedback for intrastage bandwidth extension is proposed and analyzed in this paper. For verification, a three-stage cascode low-noise amplifier (LNA) based on the pole converging and negative drain-source transformer feedback is designed and implemented in a 65-nm CMOS technology. Consuming 27 mW dc power from a 1.8 V supply, the fabricated prototype exhibits peak power gain of 18.5 dB, minimum noise figure of 5.5 dB, 3-dB bandwidth of 30 GHz, and fractional bandwidth of 38.7%. The bandwidth of the three-stage cascode LNA is significantly extended without increasing power consumption and die size.
ISSN: 1558-173X
DOI: 10.1109/JSSC.2016.2641459
Rights: © 2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. The published version is available at:
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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