Kristoffer Andersson

Visar 76 publikationer

2014

Design Method for Quasi-Optimal Multiband Branch-Line Couplers

L. Piazzon, Paul Saad, P. Colantonio et al
International Journal of RF and Microwave Computer-Aided Engineering. Vol. 24 (1), p. 117-129
Artikel i vetenskaplig tidskrift
2013

Accurate Phase-Noise Prediction for a Balanced Colpitts GaN HEMT MMIC Oscillator

Szhau Lai, Dan Kuylenstierna, Mikael Hörberg et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 61 (11), p. 3916-3926
Artikel i vetenskaplig tidskrift
2013

Dielectric loss determination of fine residual waste electrical and electronic equipment for understanding of heat development during microwave pyrolysis

Mattias Andersson, Maria Knutson Wedel, Kristoffer Andersson
Journal of Analytical and Applied Pyrolysis. Vol. 103, p. 142-148
Artikel i vetenskaplig tidskrift
2013

Investigation of Push-Pull Microwave Power Amplifiers Using an Advanced Measurement Setup

Paul Saad, Mattias Thorsell, Kristoffer Andersson et al
IEEE Microwave and Wireless Components Letters. Vol. 23 (4), p. 220-222
Artikel i vetenskaplig tidskrift
2012

Oscilloscope based two-port measurement system using error-corrected modulated signals

Kristoffer Andersson, Christian Fager
2012 Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits, INMMIC 2012
Paper i proceeding
2012

Combined TiN- and TaN temperature compensated thin film resistors

Anna Malmros, Kristoffer Andersson, Niklas Rorsman
Thin Solid Films. Vol. 520 (6), p. 2162-2165
Artikel i vetenskaplig tidskrift
2012

Fast Multiharmonic Active Load–Pull System With Waveform Measurement Capabilities

Mattias Thorsell, Kristoffer Andersson
IEEE Transactions on Microwave Theory and Techniques. Vol. 60 (1), p. 149 - 157
Artikel i vetenskaplig tidskrift
2012

Design of a Concurrent Dual-Band 1.8-2.4-GHz GaN-HEMT Doherty Power Amplifier

Paul Saad, P. Colantonio, L. Piazzon et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 60 (6), p. 1840-1849
Artikel i vetenskaplig tidskrift
2012

Fast Multi Harmonic Active Load-Pull

Mattias Thorsell, Kristoffer Andersson
GigaHertz 2012 Symposium
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2012

A new baseband measurement system for characterization of memory effects in nonlinear microwave devices

Mattias Thorsell, Kristoffer Andersson
79th ARFTG Microwave Measurement Conference, Montreal, QC: 22 June through 22 June 2012, p. Article number 6291190-
Paper i proceeding
2012

Highly linear gallium nitride MMIC LNAs

Olle Axelsson, Kristoffer Andersson
2012 IEEE Compound Semiconductor Integrated Circuit Symposium, CSICS 2012, La Jolla, CA, 14 - 17 October 2012
Paper i proceeding
2012

Extraction of an Electrothermal Mobility Model for AlGaN/GaN Heterostructures

Hans Hjelmgren, Mattias Thorsell, Kristoffer Andersson et al
IEEE Transactions on Electron Devices. Vol. 59 (12), p. 3344-3349
Artikel i vetenskaplig tidskrift
2012

Branch-Line Coupler Design Operating in Four Arbitrary Frequencies

L. Piazzon, Paul Saad, P. Colantonio et al
IEEE Microwave and Wireless Components Letters. Vol. 22 (2), p. 67-69
Artikel i vetenskaplig tidskrift
2012

Concurrent Dual-Band GaN-HEMT Power Amplifier at 1.8 GHz and 2.4 GHz

Paul Saad, P. Colantonio, Junghwan Moon et al
13th annual IEEE Wireless and Microwave Technology Conference
Paper i proceeding
2012

Multi-band/Multi-mode and Efficient Transmitter Based on a Doherty Power Amplifier

Paul Saad, L. Piazzon, P. Colantonio 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. 1031-1034
Paper i proceeding
2012

Noise temperature of an electronic tuner for noise parameter measurement systems

Olle Axelsson, Mattias Thorsell, Kristoffer Andersson et al
79th ARFTG Microwave Measurement Conference: Non-Linear Measurement Systems, ARFTG 2012, Montreal, QC: 22 June through 22 June 2012, p. Article number 6291197-
Paper i proceeding
2012

Highly linear 1-3 GHz GaN HEMT low-noise amplifier

Pirooz Chehrenegar, Morteza Abbasi, Jan Grahn et al
IEEE MTT-S International Microwave Symposium Digest
Paper i proceeding
2012

On the large-signal modeling of High Power AlGaN/GaN HEMTs

Iltcho Angelov, Mattias Thorsell, Kristoffer Andersson et al
IEEE MTT-S International Microwave Symposium Digest
Paper i proceeding
2011

Design and characterization of a highly linear 3 GHz GaN HEMT amplifier

Pirooz Chehrenegar, Olle Axelsson, Jan Grahn et al
2011 Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits, INMMiC 2011. Vienna, 18-19 April 2011
Paper i proceeding
2011

Uncertainties in small-signal equivalent circuit modeling

Christian Fager, Kristoffer Andersson, Mattias Ferndahl
Kapitel i bok
2011

Using the Best Linear Approximation to Model the Nonlinear Behavior of Supply Modulated Amplifiers

Mattias Thorsell, Kristoffer Andersson, Guillaume Pailloncy et al
European Microwave Integrated Circuits Conference, 2009, p. 1-4
Paper i proceeding
2011

Extending the Best Linear Approximation to Characterize the Nonlinear Distortion in GaN HEMTs

Mattias Thorsell, Kristoffer Andersson, Guillaume Pailloncy et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 59 (12), p. 1-8
Artikel i vetenskaplig tidskrift
2011

High efficiency power amplifier design using switch mode optimized transistor models

Christian Fager, Hossein Mashad Nemati, Paul Saad et al
IEEE International Microwave Conference, Baltimore, Workshop on WMJ: Compact Equivalent Circuits and Table Based FET Models ‐ Is There One Winner for Circuit Designers and Foundries?
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2011

Semi-physical nonlinear circuit model with device/physical parameters for HEMTs

Hiroshi Otsuka, Toshiyuki Oishi, Koji Yamanaka et al
International Journal of Microwave and Wireless Technologies. Vol. 3 (1), p. 25-33
Artikel i vetenskaplig tidskrift
2011

Electrothermal Access Resistance Model for GaN-Based HEMTs

Mattias Thorsell, Kristoffer Andersson, Hans Hjelmgren et al
IEEE Transactions on Electron Devices. Vol. 58 (2), p. 466 - 472
Artikel i vetenskaplig tidskrift
2011

Large-signal waveform acquisition of pulsed signals

Kristoffer Andersson, Mattias Thorsell, G. Pailloncy et al
European Microwave Week 2011: "Wave to the Future", EuMW 2011, Conference Proceedings - 41st European Microwave Conference, EuMC 2011, p. 9010-913
Paper i proceeding
2011

Highly efficient GaN-HEMT power amplifiers at 3.5 GHz and 5.5 GHz

Paul Saad, Hossein Mashad Nemati, Kristoffer Andersson et al
2011 IEEE 12th Annual Wireless and Microwave Technology Conference, WAMICON 2011
Paper i proceeding
2011

High-Efficiency Power Amplifier

Hossein Mashad Nemati, Paul Saad, Christian Fager et al
IEEE Microwave Magazine. Vol. 12 (1), p. 81-84
Artikel i vetenskaplig tidskrift
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 i proceeding
2010

Transient Simulation of Microwave SiC MESFETs With Improved Trap Models

Hans Hjelmgren, Fredrik Allerstam, Kristoffer Andersson et al
IEEE Transactions on Electron Devices. Vol. 57 (3), p. 729-732
Artikel i vetenskaplig tidskrift
2010

A highly efficient 3.5 GHz inverse class-F GaN HEMT power amplifier

Paul Saad, Christian Fager, Hossein Mashad Nemati et al
International Journal of Microwave and Wireless Technologies. Vol. 2 (3-4), p. 317-324
Artikel i vetenskaplig tidskrift
2010

On the Large Signal Evaluation and Modeling of GaN FET

Iltcho Angelov, Mattias Thorsell, Kristoffer Andersson et al
IEICE Transactions on Electronics. Vol. E93C (8), p. 1225-1233
Artikel i vetenskaplig tidskrift
2010

TiN thin film resistors for monolithic microwave integrated circuits

Anna Malmros, Mattias Sudow, Kristoffer Andersson et al
Journal of Vacuum Science and Technology B: Nanotechnology and Microelectronics. Vol. 28 (5), p. 912-915
Artikel i vetenskaplig tidskrift
2010

On the Compact Equivalent  Circuit  Modeling

Iltcho Angelov, Mattias Thorsell, Kristoffer Andersson
APMC 2010 invited workshop. Vol. APMC 2010 invited workshop (APMC 2010 invited workshop)
Paper i proceeding
2010

Design of a Highly Efficient 2–4-GHz Octave Bandwidth GaN-HEMT Power Amplifier

Paul Saad, Christian Fager, Haiying Cao et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 58 (7), p. 1677-1685
Artikel i vetenskaplig tidskrift
2010

A tuneable probe for noncontacting microwave measurements

Klas Yhland, Jörgen Stenarson, Kristoffer Andersson
2010 European Microwave Conference, p. 775-778
Paper i proceeding
2010

An X-Band AlGaN/GaN MMIC Receiver Front-End

Mattias Thorsell, Martin Fagerlind, Kristoffer Andersson et al
IEEE Microwave and Wireless Components Letters. Vol. 20 (1), p. 55-57
Artikel i vetenskaplig tidskrift
2010

Characterization of Electro-Thermal Effects in GaN Based HEMTs

Mattias Thorsell, Kristoffer Andersson, Hans Hjelmgren et al
5th Space Agency - MOD Round Table Workshop on GaN Component Technologies
Poster (konferens)
2009

Characterization Setup for Device Level Dynamic Load Modulation Measurements

Mattias Thorsell, Kristoffer Andersson, Christian Fager
International Microwave Symposium Digest, 2009, Boston
Paper i proceeding
2009

An Inverse Class-F GaN HEMT Power Amplifier with 78% PAE at 3.5 GHz

Paul Saad, Hossein Mashad Nemati, Mattias Thorsell et al
Microwave Conference, 2009. EuMC 2009. European, Sept. 29 2009-Oct. 1 2009, Rome, p. 496-499
Paper i proceeding
2009

Influence of Passivation Oxide Properties on SiC Field-plated Buried Gate MESFETs

Per-Åke Nilsson, Mattias Sudow, Fredrik Allerstam et al
Materials Science Forum. Vol. 600-603, p. 1103-1106
Artikel i vetenskaplig tidskrift
2009

Multi-line TRL calibration compared to a general de-embedding method

Mattias Ferndahl, Kristoffer Andersson, Christian Fager
ARFTG 73rd Microwave Measurement Conference. Vol. 1
Paper i proceeding
2009

Thermal Study of the High-Frequency Noise in GaN HEMTs

Mattias Thorsell, Kristoffer Andersson, Martin Fagerlind et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 57 (1), p. 19-26
Artikel i vetenskaplig tidskrift
2009

Active Harmonic Load-Pull using LSNA

Mattias Thorsell, Kristoffer Andersson
RF Measurement Technology for State of the Art Production and Design
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2008

SiC Varactors for Dynamic Load Modulation of High Power Amplifiers

Mattias Sudow, Hossein Mashad Nemati, Mattias Thorsell et al
IEEE Electron Device Letters. Vol. 29 (7), p. 728-730
Artikel i vetenskaplig tidskrift
2008

Power Amplifier Behavioral Modeling Performance Comparison of the LSNA and the modulation-domain system

Per Landin, Christian Fager, Magnus Isaksson et al
Proc. 72nd ARFTG Conference
Paper i proceeding
2008

Characterization of the temperature dependent access resistances in AlGaN/GaN HEMTs

Mattias Thorsell, Kristoffer Andersson, Martin Fagerlind et al
Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits, 2008. INMMIC 2008., p. 17-20
Paper i proceeding
2008

Thermal characterization of the intrinsic noise parameters for AlGaN/GaN HEMTs

Mattias Thorsell, Kristoffer Andersson, Martin Fagerlind et al
International Microwave Symposium Digest, 2008, Atlanta, p. 463-466
Paper i proceeding
2008

Output Power Density and Breakdown Voltage in Field-Plated Buried Gate Microwave SiC MESFETs

Per-Åke Nilsson, Fredrik Allerstam, Kristoffer Andersson et al
GigaHertz Symposium 2008, p. 78-
Paper i proceeding
2008

A General Statistical Equivalent-Circuit-Based De-Embedding Procedure for High-Frequency Measurements

Mattias Ferndahl, Christian Fager, Kristoffer Andersson et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 56 (12), p. 2692-2700
Artikel i vetenskaplig tidskrift
2008

Statistical Estimation Techniques for De-embedding and Equivalent Circuit Modeling

Kristoffer Andersson
European Microwave Week, Workshop on Advances in Characterization and Modeling of Emerging Low-Power and High-Power Devices (WMO-2)
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2008

An AlGaN/GaN HEMT-Based Microstrip MMIC Process for Advanced Transceiver Design

Mattias Sudow, Martin Fagerlind, Mattias Thorsell et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 56 (8), p. 1827-1833
Artikel i vetenskaplig tidskrift
2008

GaN Device and MMIC development at Chalmers

Martin Fagerlind, Mattias Sudow, Kristoffer Andersson et al
Gigahertz Symposium 2008, Abstract book, p. 86-
Paper i proceeding
2008

A Single-Ended Resistive $X$-Band AlGaN/GaN HEMT MMIC Mixer

Mattias Sudow, Kristoffer Andersson, Martin Fagerlind et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 56 (10), p. 2201-2206
Artikel i vetenskaplig tidskrift
2008

On-wafer network analyser uncertainty estimation

Jörgen Stenarson, Kristoffer Andersson, Christian Fager et al
Proc. GigaHertz 2008
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2008

Influence of Field Plates and Surface Traps on Microwave Silicon Carbide MESFETs

Per-Åke Nilsson, Fredrik Allerstam, Mattias Sudow et al
IEEE Transactions on Electron Devices. Vol. 55 (8), p. 1875-1879
Artikel i vetenskaplig tidskrift
2007

Design and Fabrication of 4H-SiC RF MOSFETs

Gudjon Gudjonsson, Fredrik Allerstam, Einar Sveinbjörnsson et al
IEEE Transactions on Electron Devices. Vol. 54 (12), p. 3138-3145
Artikel i vetenskaplig tidskrift
2007

Electro-thermal simulations of a microwave 4H-SiC MESFET on high purity semi-insulating substrate

Hans Hjelmgren, Kristoffer Andersson, Joakim Eriksson et al
Solid-State Electronics. Vol. 51 (8), p. 1144-1152
Artikel i vetenskaplig tidskrift
2006

A highly linear double balanced Schottky diode S-band mixer

Mattias Sudow, Kristoffer Andersson, Per-Åke Nilsson et al
IEEE Microwave and Wireless Components Letters. Vol. 16 (6), p. 336 - 8
Artikel i vetenskaplig tidskrift
2006

Improvement of Oscilloscope Based RF Measurements by Statistical Averaging Techniques

Christian Fager, Kristoffer Andersson
IEEE MTT-S International Microwave Symposium Digest, p. 1460-1463
Paper i proceeding
2006

An SiC MESFET-based MMIC process

Mattias Sudow, Kristoffer Andersson, Niklas Billström et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 54 (12, Part 1), p. 4072-4078
Artikel i vetenskaplig tidskrift
2006

Statistical estimation of the propagation constant in multiline calibrations

Kristoffer Andersson, Christian Fager
67th ARFTG conference
Paper i proceeding
2006

Large-Signal Modelling and Comparison of AlGaN/GaN HEMTs and SiC MESFETs

Iltcho Angelov, Kristoffer Andersson, D Schreuers et al
IEEE Asia PAcific Microwave Conference, 2006, Yokohama, Japan, p. 279-282
Paper i proceeding
2006

SiC MESFET with a Double Gate Recess

Per-Åke Nilsson, Niklas Rorsman, Mattias Sudow et al
Materials Science Forum. Vol. 527-529, p. 1227-1230
Paper i proceeding
2006

High power-density 4H-SiC RF MOSFETs

Gudjon Gudjonsson, Fredrik Allerstam, Halldor Olafsson et al
Materials Science Forum. Vol. 527-529, p. 1277-1280
Paper i proceeding
2006

High Power Density 4H-SiC RF MOSFETs

Gudjon Gudjonsson, Fredrik Allerstam, Halldor Olafsson et al
IEEE Electron Device Letters. Vol. 27 (6), p. 469-471
Artikel i vetenskaplig tidskrift
2006

Microwave power device characterization

Kristoffer Andersson
Doktorsavhandling
2006

Fabrication and characterization of field-plated buried-gate SiC MESFETs

Kristoffer Andersson, Mattias Sudow, Per-Åke Nilsson et al
IEEE Electron Device Letters. Vol. 27 (7), p. 573-575
Artikel i vetenskaplig tidskrift
2005

The Chalmers microstrip SiC MMIC Process

Mattias Sudow, Kristoffer Andersson, Per-Åke Nilsson et al
Conference Proceedings Gighahertz 2005
Paper i proceeding
2005

Fabrication of high power-density SiC MOSFETs

Gudjon Gudjonsson, Fredrik Allerstam, Halldor Olafsson et al
Proceedings of the GHz 2005 conference, Uppsala, Sweden
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2005

A general procedure for extraction of bias dependent dynamic self heating model parameters

Kristoffer Andersson, Christian Fager, J.C. Pedro
Microwave Symposium Digest, 2005 IEEE MTT-S International, p. 1159-1162
Paper i proceeding
2004

Statistical Estimation of small signal FET model parameters and their covariance

Kristoffer Andersson, Christian Fager, Peter Linner et al
IEEE MTT-S International Microwave Symposium
Paper i proceeding
2004

An empirical table based HBT large signal model

Iltcho Angelov, Dominique Schreurs, Kristoffer Andersson et al
34th European Microwave Conference. Vol. 1, p. 229-232
Paper i proceeding
2003

C-Band Linear Resistive Wide Bandgap FET Mixers

Kristoffer Andersson, Vincent Desmaris, Joakim Eriksson et al
IEEE MTT-S International Microwave Symposium Digest. Vol. 2, p. 8-
Paper i proceeding
2002

Resistive SiC-MESFET mixer

Kristoffer Andersson, Joakim Eriksson, Niklas Rorsman et al
IEEE Microwave and Wireless Components Letters. Vol. 12 (4), p. 119-121
Artikel i vetenskaplig tidskrift

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