Analytical design of small-signal amplifier with maximum gain in conditionally stable region

Shinichi Mizukusa, Kyoya Takano, Kosuke Katayama, Shuhei Amakawa, Takeshi Yoshida, Minoru Fujishima

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

2 Citations (Scopus)


The source and load impedances required to realize the maximum small-signal gain are analytically derived to exceed the maximum stable gain (MSG) in the conditionally stable region. The maximum gain is useful for millimeter-wave amplifiers in which the MSG of MOSFETs is less than 10dB. The design procedure of an amplifier is described with reference to the derived source and load impedances. It is demonstrated that a balanced amplifier can achieve high gain while satisfying reflection characteristics.

Original languageEnglish
Title of host publication2014 Asia-Pacific Microwave Conference Proceedings, APMC 2014
PublisherInstitute of Electrical and Electronics Engineers Inc.
Number of pages3
ISBN (Electronic)9784902339314
Publication statusPublished - 2014 Mar 25
Externally publishedYes
Event2014 Asia-Pacific Microwave Conference, APMC 2014 - Sendai, Japan
Duration: 2014 Nov 42014 Nov 7


Other2014 Asia-Pacific Microwave Conference, APMC 2014


  • Balanced amplifier
  • CMOS
  • Integrated circuit
  • Maximum stable gain
  • Millimeter wave
  • Small-signal amplifier
  • Stability

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Hardware and Architecture
  • Electrical and Electronic Engineering

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