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900 MHz CMOS single-ended power amplifier with an active input balun

  • Junhee Oh
  • , Suyeon Han
  • , Minsu Kim
  • , Hyungchul Kim
  • , Youngoo Yang
  • Sungkyunkwan University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

This paper presents a CMOS single-ended power amplifier with an active input balun for highly integrated UHF transmitter. Compared to the conventional balanced or differential power amplifiers with a passive output balun or transformer, this concept provides more compact circuit and takes smaller chip area. In addition, a gain of the active balun can be used to ease the system budget design. The designed single-ended two-stage power amplifier integrated circuit and an active input balun are fabricated using a 0.13 m CMOS process with sizes of as small as 300×220 μm 2 and 110×110 μm 2, respectively. The overall circuits' performances are an output P1dB of 17.1 dBm, a high gain of 40 dB, and an OIP3 of 26.3 dBm with a power consumption of 210.3 mW.

Original languageEnglish
Title of host publicationAsia-Pacific Microwave Conference Proceedings, APMC 2011
Pages5-8
Number of pages4
StatePublished - 2011
EventAsia-Pacific Microwave Conference, APMC 2011 - Melbourne, VIC, Australia
Duration: 5 Dec 2011 → 8 Dec 2011

Publication series

NameAsia-Pacific Microwave Conference Proceedings, APMC

Conference

ConferenceAsia-Pacific Microwave Conference, APMC 2011
Country/TerritoryAustralia
CityMelbourne, VIC
Period5/12/11 → 8/12/11

Keywords

  • active balun
  • CMOS power amplifier
  • single-ended power amplifier

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