An excellent gain flatness 3.0-7.0 GHz CMOS PA for UWB applications

S. A.Z. Murad, R. K. Pokharel, A. I.A. Galal, R. Sapawi, H. Kanaya, K. Yoshida

研究成果: ジャーナルへの寄稿学術誌査読

49 被引用数 (Scopus)

抄録

This letter presents an excellent gain flatness CMOS power amplifier (PA) for UWB applications at 3.0-7.0 GHz in TSMC 0.18 μm CMOS technology. The UWB PA proposed here employs a current-reused technique to enhance the gain at the upper end of the desired band, a shunt and a series peaking inductors with a resistive feedback at the second stage to obtain the wider and flat gain, while shunt-shunt feedback helps to enhance the bandwidth and improve the output wideband matching. The measurement results indicated that the input return loss S11 less than -6 dB, output return loss S22 less than -7 dB, and excellent gain flatness approximately 14.5 ±0.5 dB over the frequency range of interest. The output 1 dB compression of 7 dBm, the output third-order intercept point (OIP3) of 18 dBm, and a phase linearity property (group delay) of ± 178.5 ps across the whole band were obtained with a power consumption of 24 mW.

本文言語英語
論文番号5504002
ページ(範囲)510-512
ページ数3
ジャーナルIEEE Microwave and Wireless Components Letters
20
9
DOI
出版ステータス出版済み - 9月 2010

!!!All Science Journal Classification (ASJC) codes

  • 凝縮系物理学
  • 電子工学および電気工学

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