Linearity enhancement of CMOS device using a modified third-order transconductance cancellation technique for microwave amplifier

Yen Liang Yeh, Hong Yeh Chang

研究成果: 書貢獻/報告類型會議論文篇章同行評審

5 引文 斯高帕斯(Scopus)

摘要

This paper presents linearity enhancement of CMOS device for microwave amplifier applications. The proposed method is based on a modified third-order transconductance (gm3) cancellation technique and the device is fabricated in a 0.13 μm CMOS process. For the NMOS device with the proposed gm3 cancellation technique, the third-order intermodulation distortion (IMD3) is improved by 15 dB as compared to the conventional single device. Two Ka-band CMOS amplifiers with and without the linearization are successfully evaluated. With the linearization, the measured IMD3 is enhanced by 14 dB, and the adjacent channel power ratio (ACPR) of the amplifier is improved by 7 dB for a 64-QAM modulation signal. Moreover, the linearization scheme is easily applied to the microwave amplifier and mixer designs without extra dc power consumption.

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主出版物標題2011 IEEE MTT-S International Microwave Symposium, IMS 2011
DOIs
出版狀態已出版 - 2011
事件2011 IEEE MTT-S International Microwave Symposium, IMS 2011 - Baltimore, MD, United States
持續時間: 5 6月 201110 6月 2011

出版系列

名字IEEE MTT-S International Microwave Symposium Digest
ISSN(列印)0149-645X

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???event.eventtypes.event.conference???2011 IEEE MTT-S International Microwave Symposium, IMS 2011
國家/地區United States
城市Baltimore, MD
期間5/06/1110/06/11

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