An ultra compact and broadband 15-75 GHz BPSK modulator using 0.13-μm CMOS process

Hong Yeh Chang, Pei Si Wu, Tian Wei Huang, Huei Wang, Yung Chih Tsai, Chun Hung Chen

研究成果: 書貢獻/報告類型會議論文篇章同行評審

11 引文 斯高帕斯(Scopus)

摘要

In this paper, an ultra compact and broadband 15-75 GHz BPSK modulator using standard bulk 0.13-μm CMOS process is described. This modulator was constructed utilizing a new reflection-type topology, with the transmission lines implemented on the thick SiO2 layer as the substrate to avoid the lossy silicon. The overall chip size, including baseband, LO, and RF probe pads, is only 0.5 × 0.35 mm2. Compared with the previously reported GaAs modulators, this work demonstrates a more than 80% chip area reduction, and features an amplitude imbalance of within 0.5 dB with a phase imbalance of within 3° between 15 and 75 GHz. Regarding the modulation quality, the measured error vector magnitude (EVM) of the BPSK modulator at 40 GHz is within 3.5 and 7% for a data rate of 1 and 10 Mb/s, respectively. The LO-to-RF isolation is better than 40 dB among all the operation frequency. From continuous-wave (CW) spectrum characterization, the modulation bandwidth of the modulator is wider than 1 GHz.

原文???core.languages.en_GB???
主出版物標題2005 IEEE MTT-S International Microwave Symposium Digest
頁面41-44
頁數4
DOIs
出版狀態已出版 - 2005
事件2005 IEEE MTT-S International Microwave Symposium - Long Beach, CA, United States
持續時間: 12 6月 200517 6月 2005

出版系列

名字IEEE MTT-S International Microwave Symposium Digest
2005
ISSN(列印)0149-645X

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???event.eventtypes.event.conference???2005 IEEE MTT-S International Microwave Symposium
國家/地區United States
城市Long Beach, CA
期間12/06/0517/06/05

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