An ultra wideband quasi-circulatorwith distributed amplifiers using 90 nm CMOS technology

Shih Han Hung, Kai Wen Cheng, Yeong-Her Wang

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

An ultra wideband (UWB) quasi-circulator implemented with distributed amplifiers using the 90 nm complementary metal-oxide-semiconductor (CMOS) technology is presented. The proposed quasi-circulator is composed of two distributed amplifiers and two Lange couplers to attain UWB performance at 14 to 67 GHz. Good insertion gain of 4.3 dB to -3.5 dB, low noise figure of 7.1 to 12.6 dB, and good isolation characteristic of |S31|better than 20 dB can be obtained. Using the distributed amplifier technique, the proposed quasi-circulator offers significant advantages of broad operation bandwidth, high isolation, low noise figure, and good insertion gain.

Original languageEnglish
Article number6636105
Pages (from-to)656-658
Number of pages3
JournalIEEE Microwave and Wireless Components Letters
Volume23
Issue number12
DOIs
Publication statusPublished - 2013 Dec

Fingerprint

distributed amplifiers
Noise figure
Ultra-wideband (UWB)
CMOS
broadband
low noise
insertion
isolation
Metals
Bandwidth
couplers
bandwidth
Oxide semiconductors

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

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abstract = "An ultra wideband (UWB) quasi-circulator implemented with distributed amplifiers using the 90 nm complementary metal-oxide-semiconductor (CMOS) technology is presented. The proposed quasi-circulator is composed of two distributed amplifiers and two Lange couplers to attain UWB performance at 14 to 67 GHz. Good insertion gain of 4.3 dB to -3.5 dB, low noise figure of 7.1 to 12.6 dB, and good isolation characteristic of |S31|better than 20 dB can be obtained. Using the distributed amplifier technique, the proposed quasi-circulator offers significant advantages of broad operation bandwidth, high isolation, low noise figure, and good insertion gain.",
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An ultra wideband quasi-circulatorwith distributed amplifiers using 90 nm CMOS technology. / Hung, Shih Han; Cheng, Kai Wen; Wang, Yeong-Her.

In: IEEE Microwave and Wireless Components Letters, Vol. 23, No. 12, 6636105, 12.2013, p. 656-658.

Research output: Contribution to journalArticle

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