教師資料查詢 | 類別: 期刊論文 | 教師: 施鴻源 Shih, Horng-yuan (瀏覽個人網頁)

標題:A 250 MHz 14 dB-NF 73 dB-Gain 82 dB-DR Analog Baseband Chain with Digital-Assisted DC-Offset Calibration for Ultra-Wideband
學年98
學期2
出版(發表)日期2010/02/01
作品名稱A 250 MHz 14 dB-NF 73 dB-Gain 82 dB-DR Analog Baseband Chain with Digital-Assisted DC-Offset Calibration for Ultra-Wideband
作品名稱(其他語言)
著者施鴻源; Shih, Horng-yuan; Kuo, Chien-nan; Chen, Wei-hsien, Yang, Tzu-yi; Juang, Kai-chenug
單位淡江大學電機工程學系
出版者IEEE Solid-State Circuits Society
著錄名稱、卷期、頁數IEEE Journal of Solid-State Circuits 45(2), pp.338-350
摘要A 250 MHz analog baseband chain for ultra-wideband was implemented in a 1.2 V 0.13 ¿ m CMOS process. The chip has an active area of 0.8 mm2. In the analog baseband, PGAs and filters are carried out by current-mode amplifiers to achieve wide bandwidth and wide dynamic range of gain, as well as low noise and high linearity. Besides, a current-mode Sallen-Key low-pass filter is adopted for effective rejection of out-of-band interferers. A 6 th-order Chebyshev low-pass filter realized in Gm-C topology is designed in the baseband chain for channel selection. Digitally-assisted DC-offset calibration improves second-order distortion of the entire chain. The design achieves a maximum gain of 73 dB and a dynamic range of 82 dB. Measured noise figure is 14 dB, an IIP3 of -6 dBV, and IIP2 of -5 dBV at the maximum gain mode. The analog baseband chain consumes 56.4 mA under supply of 1.2 V.
關鍵字Analog filter;DC offset calibration;Analog baseband;Current-mode VGA;Current-mode filter;Ultra wideband
語言英文
ISSN0018-9200
期刊性質國外
收錄於SCI;EI
產學合作
通訊作者
審稿制度
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