liu.seSök publikationer i DiVA
Ändra sökning
RefereraExporteraLänk till posten
Permanent länk

Direktlänk
Referera
Referensformat
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Annat format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annat språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf
A 72.2Mbit/s LC-Based Power Amplifier in 65nm CMOS for 2.4GHz 802.11n WLAN
Linköpings universitet, Institutionen för systemteknik, Elektroniska komponenter. Linköpings universitet, Tekniska högskolan.
Infineon Technologies Nordic AB Isafjordsgatan 16, SE-164 81 Stockholm, Sweden.
Linköpings universitet, Institutionen för systemteknik, Elektroniska komponenter. Linköpings universitet, Tekniska högskolan.ORCID-id: 0000-0001-8922-2360
2008 (Engelska)Ingår i: Proceedings of the 15th Mixed Design of Integrated Circuits and Systems (MIXDES) Conference, IEEE , 2008, s. 155-158Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

This paper describes the design and evaluation of a power amplifier (PA) for WLAN 802.11n in 65nm CMOS technology. The PA utilizes 3.3V thick-gate oxide (5.2nm) transistors and a two-stage differential configuration with two integrated inductors for input and interstage matching. For a 72.2Mbit/s, 64-QAM 802.11n OFDM signal at an average and peak output power of 9.4dBm and 17.4dBm, respectively, the measured EVM is 3.8%. The PA meets the spectral mask up to an average output power of 14dBm.

Ort, förlag, år, upplaga, sidor
IEEE , 2008. s. 155-158
Nyckelord [en]
Baluns, CMOS analog integrated circuits, Impedance matching, Power amplifiers, Transformers
Nationell ämneskategori
Teknik och teknologier
Identifikatorer
URN: urn:nbn:se:liu:diva-21025ISBN: 978-83-922632-7-2 (tryckt)OAI: oai:DiVA.org:liu-21025DiVA, id: diva2:240422
Konferens
15th IEEE Mixed Design of Integrated Circuits and Systems (MIXDES) Conference, June 19-21, Poznan, Poland
Tillgänglig från: 2009-09-28 Skapad: 2009-09-28 Senast uppdaterad: 2019-09-05Bibliografiskt granskad
Ingår i avhandling
1. Power Amplifier Circuits in CMOS Technologies
Öppna denna publikation i ny flik eller fönster >>Power Amplifier Circuits in CMOS Technologies
2009 (Engelska)Licentiatavhandling, sammanläggning (Övrigt vetenskapligt)
Abstract [en]

The wireless market has experienced a remarkable development and growth since the introduction of the first mobile phone systems, with a steady increase in the number of subscribers, new application areas, and higher data rates. As mobile phones and wireless connectivity have become consumer mass markets, a prime goal of the IC manufacturers is to provide low-cost solutions.

The power amplifier (PA) is a key building block in all RF transmitters. To lower the costs and allow full integration of a complete radio System-on-Chip (SoC), it is desirable to integrate the entire transceiver and the PA in a single CMOS chip. While digital circuits benefit from the technology scaling, it is becoming significantly harder to meet the stringent requirements on linearity, output power, and power efficiency of PAs at lower supply voltages. This has recently triggered extensive studies to investigate the impact of different circuit techniques, design methodologies, and design trade-offs on functionality of PAs in nanometer CMOS technologies.

This thesis addresses the potential of integrating linear and highly efficient PAs and PA architectures in nanometer CMOS technologies at GHz frequencies. In total four PAs have been designed, two linear PAs and two switched PAs. Two PAs have been designed in a 65nm CMOS technology, targeting the 802.11n WLAN standard operating in the 2.4-2.5GHz frequency band with stringent requirements on linearity. The first linear PA is a two-stage amplifier with LC-based input and interstage matching networks, and the second linear PA is a two-stage PA with transformer-based input and interstage matching networks. Both designs were evaluated for a 72.2Mbit/s, 64-QAM 802.11n OFDM signal with a PAPR of 9.1dB. Both PAs fulfilled the toughest EVM requirement of the standard at average output power levels of 9.4dBm and 11.6dBm, respectively. Matching techniques in both PAs are discussed as well.

Two Class-E PAs have been designed in 130nm CMOS and operated at low ‘digital’ supply voltages. The first PA is intended for DECT, while the second is intended for Bluetooth. At 1.5V supply voltage and 1.85GHz, the DECT PA delivered +26.4dBm of output power with a drain efficiency (DE) and poweradded efficiency (PAE) of 41% and 30%, respectively. The Bluetooth PA had an output power of +22.7dBm at 1.0V with a DE and PAE of 48% and 36%, respectively, at 2.45GHz. The Class-E amplifier stage is also suitable for employment in different linearization techniques like Polar Modulation and Outphasing, where a highly efficient Class-E PA is crucial for a successful implementation.

Ort, förlag, år, upplaga, sidor
Linköping: Linköping University Electronic Press, 2009. s. 83
Serie
Linköping Studies in Science and Technology. Thesis, ISSN 0280-7971 ; 1414
Nationell ämneskategori
Teknik och teknologier
Identifikatorer
urn:nbn:se:liu:diva-21030 (URN)LiU-TEK-LIC-2009:22 (Lokalt ID)978-91-7393-530-2 (ISBN)LiU-TEK-LIC-2009:22 (Arkivnummer)LiU-TEK-LIC-2009:22 (OAI)
Presentation
2009-11-04, Glashuset, Campus Valla, Linköpings universitet, Linköping, 10:15 (Svenska)
Opponent
Handledare
Tillgänglig från: 2009-09-28 Skapad: 2009-09-28 Senast uppdaterad: 2010-04-05Bibliografiskt granskad

Open Access i DiVA

Fulltext saknas i DiVA

Övriga länkar

Link to Licentiate Thesis

Personposter BETA

Fritzin, JonasJohansson, TedAlvandpour, Atila

Sök vidare i DiVA

Av författaren/redaktören
Fritzin, JonasJohansson, TedAlvandpour, Atila
Av organisationen
Elektroniska komponenterTekniska högskolan
Teknik och teknologier

Sök vidare utanför DiVA

GoogleGoogle Scholar

isbn
urn-nbn

Altmetricpoäng

isbn
urn-nbn
Totalt: 260 träffar
RefereraExporteraLänk till posten
Permanent länk

Direktlänk
Referera
Referensformat
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Annat format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annat språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf