Christer Andersson

Showing 24 publications

2015

A class-J power amplifier with varactor-based dynamic load modulation across a large bandwidth

William Hallberg, David Gustafsson, MUSTAFA ÖZEN et al
2015 IEEE MTT-S International Microwave Symposium, IMS 2015
Paper in proceedings
2015

Optimized Design of a Dual-Band Power Amplifier With SiC Varactor-Based Dynamic Load Modulation

Cesar Sanchez Perez, MUSTAFA ÖZEN, Christer Andersson et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 63 (8), p. 2579-2588
Journal article
2014

Efficient and Wideband Power Amplifiers for Wireless Infrastructure Applications

Christian Fager, Ulf Gustavsson, Christer Andersson et al
Gigahertz Symposium
Conference contribution
2014

Symmetrical modeling of GaN HEMTS

Ankur Prasad, Christian Fager, Mattias Thorsell et al
Technical Digest - IEEE Compound Semiconductor Integrated Circuit Symposium, CSIC
Paper in proceedings
2014

Symmetrical Large-Signal Modeling of Microwave Switch FETs

Ankur Prasad, Christian Fager, Mattias Thorsell et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 62 (8), p. 1590-1598
Journal article
2013

A 44 dBm 1.0-3.0 GHz GaN Power Amplifier with over 45% PAE at 6 dB back-off

David Gustafsson, Christer Andersson, Richard Hellberg et al
Proc. International Microwave Symposium
Paper in proceedings
2013

An analysis of the suitability of using CW-theory when designing Doherty PAs for wideband or concurrent multi-band operation

David Gustafsson, Christer Andersson, Christian Fager
43rd European Microwave Conference, EuMC 2013 - Held as Part of the 16th European Microwave Week, EuMW 2013, Nuremberg, Germany, 7-10 October 2013, p. 287-290
Paper in proceedings
2013

A Modified Doherty Power Amplifier With Extended Bandwidth and Reconfigurable Efficiency

David Gustafsson, Christer Andersson, Christian Fager
IEEE Transactions on Microwave Theory and Techniques. Vol. 61 (1), p. 533-542
Journal article
2013

A 1-3-GHz Digitally Controlled Dual-RF Input Power-Amplifier Design Based on a Doherty-Outphasing Continuum Analysis

Christer Andersson, David Gustafsson, Jessica Chani Cahuana et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 61 (10), p. 3743-3752
Journal article
2013

A packaged 86 W GaN transmitter with SiC varactor-based dynamic load modulation

Christer Andersson, MUSTAFA ÖZEN, David Gustafsson et al
43rd European Microwave Conference, EuMC 2013 - Held as Part of the 16th European Microwave Week, EuMW 2013, Nuremberg, Germany, 7-10 October 2013, p. 283-286
Paper in proceedings
2012

Design and characterization of SiC varactor-based phase shifters

Roberto Quaglia, Victor Camarchia, Christer Andersson et al
7th European Microwave Integrated Circuits Conference, EuMIC 2012 - Held as Part of 15th European Microwave Week, EuMW 2012; Amsterdam; Netherlands; 29 October 2012 through 30 October 2012, p. 897-900
Paper in proceedings
2012

A novel wideband and reconfigurable high average efficiency power amplifier

David Gustafsson, Christer Andersson, Christian Fager
IEEE MTT-S International Microwave Symposium Digest
Paper in proceedings
2012

Linearization Study of a Highly Efficient CMOS-GaN RF Pulse Width Modulation Based Transmitter

MUSTAFA ÖZEN, Christer Andersson, Thomas Eriksson et al
European Microwave Conference, p. 136-139
Paper in proceedings
2012

Theory and Design of Class-J Power Amplifiers With Dynamic Load Modulation

Christer Andersson, David Gustafsson, Koji Yamanaka et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 60 (12), p. 3778-3786
Journal article
2012

Decade bandwidth high efficiency GaN HEMT power amplifier designed with resistive harmonic loading

Christer Andersson, J. Moon, Christian Fager et al
IEEE MTT-S International Microwave Symposium Digest
Paper in proceedings
2011

Epitaxial and Layout Optimization of SiC Microwave Power Varactors

Christer Andersson, Björn Magnusson, Niklas Henelius et al
Asia-Pacific Microwave Conference Proceedings, APMC (APMC 2011 ;Melbourne, VIC; 5 - 8 December 2011), p. 1642-1645
Paper in proceedings
2011

A double stub impedance tuner with SiC diode varactors

Roberto Quaglia, Christer Andersson, Christian Fager et al
Asia Pacific Microwave Conference APMC 2011; Melbourne, VIC; 5 - 8 December 2011, p. 267-270
Paper in proceedings
2011

Nonlinear Characterization of Varactors for Tunable Networks by Active Source-Pull and Load-Pull

Christer Andersson, Mattias Thorsell, Niklas Rorsman
IEEE Transactions on Microwave Theory and Techniques. Vol. 59 (7), p. 1753-1760
Journal article
2011

Varactor-Based Dynamic Load Modulation of RF PAs

Hossein Mashad Nemati, Björn Almgren, Christer Andersson et al
European Microwave Conference, Manchester, Workshop "RF PA Efficiency Enhancement Techniques"
Conference contribution
2011

High-Efficiency RF Pulsewidth Modulation of Class-E Power Amplifiers

MUSTAFA ÖZEN, Hendrikus Jos, Christer Andersson et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 59 (11), p. 2931-2942
Magazine article
2011

A SiC Varactor With Large Effective Tuning Range for Microwave Power Applications

Christer Andersson, Niclas Ejebjörk, Anne Henry et al
IEEE Electron Device Letters. Vol. 32 (6), p. 788-790
Journal article
2011

High efficiency RF pulse width modulation with tunable load network class-E PA

MUSTAFA ÖZEN, Christer Andersson, Mattias Thorsell et al
2011 IEEE 12th Annual Wireless and Microwave Technology Conference, WAMICON 2011
Paper in proceedings

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