Design of a 5.3-GHz 31.3-dBm Fully Integrated CMOS Power Amplifier Using Folded Splitting and Combining Architecture

Research output: Contribution to journalArticle

Abstract

A transformer (TF)-based folded radial power splitting and binary power combining architecture is developed for fully integrated CMOS PA design in this paper. The proposed folded splitting and combining architecture has advantages of in-phase RF signal splitting/combining scheme, compact size, uniform dc distribution, and symmetric dc current supply/return path. A 5.3-GHz fully integrated PA using the developed splitting/combining architecture is fabricated on a standard 0.18- \mu \text{m} CMOS technology. The CMOS PA transmits saturation power ( P-{\mathrm {sat}} ) of 31.3 dBm, output 1-dB compression point (OP1 dB) of 26.1 dBm, and power added efficiency (PAE) of 22% at 5.3 GHz. The measured small signal gain is 18.3 dB at 5.3 GHz. The EVM has been measured with IEEE 802.11ac WLAN modulated signals. Using the 20-MHz bandwidth OFDM 64-QAM modulated signal, the PA meets the WLAN EVM specification of 5.6% up to 20.4-dBm linear output power. To our knowledge, the CMOS PA achieves the highest P-{\mathrm {sat}} and OP1 dB with decent PAE among other reported fully integrated CMOS PAs around 5 GHz to date.

Original languageEnglish
Article number8695840
Pages (from-to)1527-1536
Number of pages10
JournalIEEE Transactions on Very Large Scale Integration (VLSI) Systems
Volume27
Issue number7
DOIs
Publication statusPublished - 2019 Jul 1

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Wireless local area networks (WLAN)
Power amplifiers
Quadrature amplitude modulation
Orthogonal frequency division multiplexing
Specifications
Bandwidth

Keywords

  • CMOS
  • fully integration
  • power amplifier (PA)
  • power combining technique
  • transformer (TF)

ASJC Scopus subject areas

  • Software
  • Hardware and Architecture
  • Electrical and Electronic Engineering

Cite this

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title = "Design of a 5.3-GHz 31.3-dBm Fully Integrated CMOS Power Amplifier Using Folded Splitting and Combining Architecture",
abstract = "A transformer (TF)-based folded radial power splitting and binary power combining architecture is developed for fully integrated CMOS PA design in this paper. The proposed folded splitting and combining architecture has advantages of in-phase RF signal splitting/combining scheme, compact size, uniform dc distribution, and symmetric dc current supply/return path. A 5.3-GHz fully integrated PA using the developed splitting/combining architecture is fabricated on a standard 0.18- \mu \text{m} CMOS technology. The CMOS PA transmits saturation power ( P-{\mathrm {sat}} ) of 31.3 dBm, output 1-dB compression point (OP1 dB) of 26.1 dBm, and power added efficiency (PAE) of 22{\%} at 5.3 GHz. The measured small signal gain is 18.3 dB at 5.3 GHz. The EVM has been measured with IEEE 802.11ac WLAN modulated signals. Using the 20-MHz bandwidth OFDM 64-QAM modulated signal, the PA meets the WLAN EVM specification of 5.6{\%} up to 20.4-dBm linear output power. To our knowledge, the CMOS PA achieves the highest P-{\mathrm {sat}} and OP1 dB with decent PAE among other reported fully integrated CMOS PAs around 5 GHz to date.",
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author = "Jeng-Han Tsai",
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AB - A transformer (TF)-based folded radial power splitting and binary power combining architecture is developed for fully integrated CMOS PA design in this paper. The proposed folded splitting and combining architecture has advantages of in-phase RF signal splitting/combining scheme, compact size, uniform dc distribution, and symmetric dc current supply/return path. A 5.3-GHz fully integrated PA using the developed splitting/combining architecture is fabricated on a standard 0.18- \mu \text{m} CMOS technology. The CMOS PA transmits saturation power ( P-{\mathrm {sat}} ) of 31.3 dBm, output 1-dB compression point (OP1 dB) of 26.1 dBm, and power added efficiency (PAE) of 22% at 5.3 GHz. The measured small signal gain is 18.3 dB at 5.3 GHz. The EVM has been measured with IEEE 802.11ac WLAN modulated signals. Using the 20-MHz bandwidth OFDM 64-QAM modulated signal, the PA meets the WLAN EVM specification of 5.6% up to 20.4-dBm linear output power. To our knowledge, the CMOS PA achieves the highest P-{\mathrm {sat}} and OP1 dB with decent PAE among other reported fully integrated CMOS PAs around 5 GHz to date.

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