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High-Linearity Drive Amplifier Using Active Local Feedback

Title
High-Linearity Drive Amplifier Using Active Local Feedback
Author
윤태열
Keywords
Cascode; CMOS; drive amplifier; linearity; local feedback
Issue Date
2016-08
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Citation
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, v. 26, NO. 8, Page. 613-615
Abstract
A drive amplifier consisting of a cascode amplifier and a local feedback amplifier is proposed to ensure high linearity. The local feedback amplifier with a post distortion technique compensates for the nonlinearity of a common-source stage while maintaining input impedance matching and a reasonable power gain. In addition, a process, supply voltage, and temperature (PVT)-compensated current mirror maintains a high OIP3 point over PVT variations. The theoretical analysis, simulation, and measurement are presented, showing good agreement. Measured results show an OIP3 of 27.2 dBm, OP1dB of 7.8 dBm with a power gain of 7.5 dB at 2.1 GHz, and power consumption of 22.2 mW at 1.8 V. The proposed DA is fabricated using a 0.11 m CMOS process.
URI
https://ieeexplore.ieee.org/document/7519096https://repository.hanyang.ac.kr/handle/20.500.11754/76449
ISSN
1531-1309; 1558-1764
DOI
10.1109/LMWC.2016.2587839
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ELECTRONIC ENGINEERING(융합전자공학부) > Articles
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