A novel post-linearization technique for fully integrated 5.5 GHz high-linearity LNA

Chieh Pin Chang, Ja Hao Chen, Shih Han Hung, Chun Chi Su, Yeong Her Wang

Research output: Chapter in Book/Report/Conference proceedingConference contribution

9 Citations (Scopus)

Abstract

A novel post-linearization technique for fully integrated 5.5 GHz high-linearity LNA, implemented through a 0.18 μm RF CMOS technology, is demonstrated. The post-linearization technique adopts a folded cascode diode with a resistor and a capacitor in parallel as a third-order intermodulation distortion (IMD3) sinker. The LNA with the post-linearization technique has a +8.33 dBm IIP3, a power gain of 10.02 dB, and a noise figure of 3.05 dB, while consuming 6 mA from a supply voltage of 1.8 V. Comparison with the characteristics of the LNA without using post-linearization technique, the IIP3 is improved 6.21 dB, and the IMD3 can be reduced 12.77 dB. Moreover, the performances of noise figure and power consumption rise 0.09 dB and 0.08 mW, and the power gain lowers 0.3 dB after using the technique only. This technique indeed improves the linearity performance without obvious effects.

Original languageEnglish
Title of host publication2009 4th International Conference on Innovative Computing, Information and Control, ICICIC 2009
Pages577-580
Number of pages4
DOIs
Publication statusPublished - 2009 Dec 1
Event2009 4th International Conference on Innovative Computing, Information and Control, ICICIC 2009 - Kaohsiung, Taiwan
Duration: 2009 Dec 72009 Dec 9

Publication series

Name2009 4th International Conference on Innovative Computing, Information and Control, ICICIC 2009

Other

Other2009 4th International Conference on Innovative Computing, Information and Control, ICICIC 2009
CountryTaiwan
CityKaohsiung
Period09-12-0709-12-09

All Science Journal Classification (ASJC) codes

  • Computational Theory and Mathematics
  • Computer Networks and Communications
  • Software

Fingerprint Dive into the research topics of 'A novel post-linearization technique for fully integrated 5.5 GHz high-linearity LNA'. Together they form a unique fingerprint.

  • Cite this

    Chang, C. P., Chen, J. H., Hung, S. H., Su, C. C., & Wang, Y. H. (2009). A novel post-linearization technique for fully integrated 5.5 GHz high-linearity LNA. In 2009 4th International Conference on Innovative Computing, Information and Control, ICICIC 2009 (pp. 577-580). [5412650] (2009 4th International Conference on Innovative Computing, Information and Control, ICICIC 2009). https://doi.org/10.1109/ICICIC.2009.40