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Compact 141-GHz Differential Amplifier with 20-dB Peak Gain and 22-GHz 3-dB Bandwidth

Shinsuke HARA, Kosuke KATAYAMA, Kyoya TAKANO, Issei WATANABE, Norihiko SEKINE, Akifumi KASAMATSU, Takeshi YOSHIDA, Shuhei AMAKAWA, Minoru FUJISHIMA

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Summary :

This paper presents a wideband differential amplifier operating at 141GHz in 40-nm CMOS. It is composed of five differential common source stages with cross-coupled capacitors. A small-signal gain of 20dB and a 3-dB bandwidth of 22GHz are achieved. It consumes 75mW from a 0.94-V voltage supply. The die area with balun and pads is 945×842µm2 and the size of the core not including input/output matching networks is 201×284µm2. The small core area is made possible by using a refined “fishbone” layout technique.

Publication
IEICE TRANSACTIONS on Electronics Vol.E99-C No.10 pp.1156-1163
Publication Date
2016/10/01
Publicized
Online ISSN
1745-1353
DOI
10.1587/transele.E99.C.1156
Type of Manuscript
Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology)
Category

Authors

Shinsuke HARA
  National Institute of Information and Communications Technology
Kosuke KATAYAMA
  Hiroshima University
Kyoya TAKANO
  Hiroshima University
Issei WATANABE
  National Institute of Information and Communications Technology
Norihiko SEKINE
  National Institute of Information and Communications Technology
Akifumi KASAMATSU
  National Institute of Information and Communications Technology
Takeshi YOSHIDA
  Hiroshima University
Shuhei AMAKAWA
  Hiroshima University
Minoru FUJISHIMA
  Hiroshima University

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