Linearity improvement of 5.2-GHz CMOS up-conversion mixer for wireless applications

S. A.Z. Murad, M. Mohamad Shahimin, R. K. Pokharel, H. Kanaya, K. Yoshida

研究成果: Contribution to journalArticle査読

11 被引用数 (Scopus)

抄録

This letter presents linearity improvement up-conversion mixer at 5.2 GHz for wireless applications. The design is based on Gilbert-cell active double-balanced mixer using derivative superposition method for linearity improvement. The design improvement is proposed in TSMC 0.18-μm CMOS process. The linearity of the designed mixer is further improved using source degeneration inductors at transconductors stage. The measurement results indicate that the proposed method shows the third-order intercept point (IIP3) of 13.5-dBm, which is higher than previously published mixers. The mixer achieves the conversion gain of 2 dBm, and consumes 3.0 mA at 1.8 V power supply. The size of the whole chip is 0.56 mm 2.

本文言語英語
ページ(範囲)923-925
ページ数3
ジャーナルMicrowave and Optical Technology Letters
54
4
DOI
出版ステータス出版済み - 4 1 2012

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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