Rumen Kozhuharov

Publications (41)
Projects (0)

Showing 41 publications

2016

A D-Band Frequency Sixtupler MMIC With Very Low DC Power Consumption

M. Q. Bao, Rumen Kozhuharov, Herbert Zirath

IEEE Microwave and Wireless Components Letters. Vol. 26 (9), p. 726-728

Journal article

2014

A High Power-Efficiency D-Band Frequency Tripler MMIC With Gain Up to 7 dB

M. Q. Bao, Rumen Kozhuharov, Herbert Zirath

IEEE Microwave and Wireless Components Letters. Vol. 24 (2), p. 123-125

Journal article

2014

A High-Speed Power Detector for D-Band Communication

M. Q. Bao, J. J. Chen, Rumen Kozhuharov et al

IEEE Transactions on Microwave Theory and Techniques. Vol. 62 (7), p. 1515-1524

Journal article

2014

14 Gbps on-off keying modulator and demodulator for D-band communication

M. Bao, J. Chen, Rumen Kozhuharov et al

2014 IEEE International Wireless Symposium (IWS), 24-26 March 2014, X'ian, p. (4 pp)-

Paper in proceeding

2014

A D-Band Keyable High Efficiency Frequency Quadrupler

M. Q. Bao, Rumen Kozhuharov, J. J. Chen et al

IEEE Microwave and Wireless Components Letters. Vol. 24 (11), p. 793-795

Journal article

2013

140-220-GHz DHBT Detectors

Vessen Vassilev, Herbert Zirath, Rumen Kozhuharov et al

IEEE Transactions on Microwave Theory and Techniques. Vol. 61 (6), p. 2353-2360

Journal article

2013

A novel frequency multiplier

Mingquang Bao, Rumen Kozhuharov

Patent

2013

An LC VCO for High Power Millimeter-Wave Signal Generation

Szhau Lai, Dan Kuylenstierna, Rumen Kozhuharov et al

35th IEEE Compound Semiconductor Integrated Circuit Symposium: Integrated Circuits in GaAs, InP, SiGe, GaN and Other Compound Semiconductors, CSICS 2013, Monterey, United States, 13-16 October 2013

Paper in proceeding

2012

Multifunction low noise millimeterwave MMICs for remote sensing

Herbert Zirath, Vessen Vassilev, Morteza Abbasi et al

IEEE MTT-S International Microwave Symposium Digest

Paper in proceeding

2012

A W-and G-band MMIC source using InP HBT technology

Rumen Kozhuharov, M. Bao, Marcus Gavell et al

IEEE MTT-S International Microwave Symposium Digest, p. 1 - 3

Paper in proceeding

2011

Single-Chip 220-GHz Active Heterodyne Receiver and Transmitter MMICs With On-Chip Integrated Antenna

Morteza Abbasi, Sten Gunnarsson, Niklas Wadefalk et al

IEEE Transactions on Microwave Theory and Techniques. Vol. 59 (2), p. 466-478

Journal article

2011

A varactor model including valanche noise source for VCOs phase noise simulation

Szhau Lai, Dan Kuylenstierna, Iltcho Angelov et al

41th European Microwave Conference , Manchester, UK, Oct 10-13, 2011, p. 591-594

Paper in proceeding

2011

Integrated front-ends up to 200 GHz

Vessen Vassilev, Niklas Wadefalk, Morteza Abbasi et al

2011 IEEE MTT-S International Microwave Workshop on Millimeter Wave Integration Technologies, IMWS 2011, Sitges, 15 September 2011 through 16 September 2011, p. 57-60

Paper in proceeding

2010

MMIC-Based Components for MM-Wave Instrumentation

Vessen Vassilev, Niklas Wadefalk, Rumen Kozhuharov et al

IEEE Microwave and Wireless Components Letters. Vol. 20 (10), p. 578-580

Magazine article

2010

Flip-Chip-Based Multichip Module for Low Phase-Noise V -Band Frequency Generation

Li-Han Hsu, Dan Kuylenstierna, Rumen Kozhuharov et al

IEEE Transactions on Microwave Theory and Techniques. Vol. 58 (9), p. 2408-2419

Magazine article

2010

Gm-boosted balanced Colpitts compared to conventional balanced Colpitts and cross-coupled VCOs in InGaP HBT technology

Szhau Lai, Dan Kuylenstierna, Iltcho Angelov et al

Asia-Pacific Microwave Conference Proceedings, APMC, Yokohama; 7 December through 10 December, p. 386-389

Paper in proceeding

2010

A large-signal GaAs HBT model optimized for design of low phase-noise VCOs

Szhau Lai, Iltcho Angelov, Dan Kuylenstierna et al

Gigahertz symposium 2010

Paper in proceeding

2010

Low-phase noise InGaP HBT VCO design

Dan Kuylenstierna, Herbert Zirath, Rumen Kozhuharov et al

Gigahertz symposium 2010

Paper in proceeding

2010

MMIC-based receivers for mm-wave radiometry

Vessen Vassilev, Niklas Wadefalk, Rumen Kozhuharov et al

IRMMW-THz 2010 - 35th International Conference on Infrared, Millimeter, and Terahertz Waves, Conference Guide

Other conference contribution

2009

24 GHz InGaP-GaAs HBT push-push VCO with broadband tuning range

Rumen Kozhuharov, Dan Kuylenstierna, Herbert Zirath

Proceedings of the 4th European Microwave Integrated Circuits Conference, p. 242-245

Paper in proceeding

2009

Single-Chip Frequency Multiplier Chains for Millimeter-Wave Signal Generation

Morteza Abbasi, Rumen Kozhuharov, Camilla Kärnfelt et al

IEEE Transactions on Microwave Theory and Techniques. Vol. 57 (12), p. 3134-3142

Journal article

2009

On the status of Low Noise Millimeterwave MMIC Receivers

Herbert Zirath, Niklas Wadefalk, Rumen Kozhuharov et al

APMC: 2009 ASIA PACIFIC MICROWAVE CONFERENCE. Vol. 1-5, p. 1303-1306

Other conference contribution

2009

A Broadband 60-to-120 GHz single-chip MMIC multiplier chain

Morteza Abbasi, Rumen Kozhuharov, Camilla Kärnfelt et al

IEEE MTT-S International Microwave Symposium Digest, p. 441-444

Paper in proceeding

2009

A Generic, Multi-Purpose, and Small-Size 60 GHz Transmit/Receive Module used for Secure WLAN Communication

Sten Gunnarsson, Christer Stoij, Camilla Kärnfelt et al

Microwave Conference, 2008. APMC 2008. Asia-Pacific, Macau, 16-20 Dec. 2008, p. paper A1-29 (4 pages)

Paper in proceeding

2009

Low phase noise MMIC oscillators in InGaP HBT technology

Dan Kuylenstierna, Herbert Zirath, Rumen Kozhuharov et al

Microwave Conference, 2008. APMC 2008. Asia-Pacific, Macau, 16-20 Dec. 2008, p. (4 pages)-

Paper in proceeding

2008

A Single-Chip 53 GHz Radiometer Front-End MMIC for Geostationary Atmospheric Measurements

Sten Gunnarsson, Anders Emrich, Herbert Zirath et al

2008 IEEE Radio and Wireless Symposium, RWS; Orlando, FL; United States; 22 January 2008 through 24 January 2008, p. 867-870

Paper in proceeding

2007

Newly developed chip sets for 60 GHz radio communication systems

Herbert Zirath, Mattias Ferndahl, Rumen Kozhuharov et al

IEEE International Workshop on Radio-Frequency Integration Technology, RFIT 2007; Singapore; Singapore; 9 December 2007 through 11 December 2007, p. 102-106

Paper in proceeding

2007

60 GHz Single-Chip Front-End MMICs and Systems for Multi-Gbps Wireless Communication

Sten Gunnarsson, Camilla Kärnfelt, Herbert Zirath et al

IEEE Journal of Solid-State Circuits. Vol. 42 (5), p. 1143 - 1157

Journal article

2006

Development of 60 GHz front end circuits for high data rate communication systems at Chalmers University

Herbert Zirath, Mattias Ferndahl, Rumen Kozhuharov et al

Chung-kuo Kung Cheng Hsueh Kan/Journal of the Chinese Institute of Engineers. Vol. 29 (7), p. 1173-1183

Journal article

2006

Single-Chip 24-GHz Synthesizer for a Radar Application

Rumen Kozhuharov, Anders Jirskog, Niklas Penndal et al

Technical Digest of 2006 IEEE CSIC Symposium San Antonio, TX, USA, p. 205 - 208

Journal article

2006

High Purity 60 GHz-Band Single Chip

Camilla Kärnfelt, Rumen Kozhuharov, Herbert Zirath et al

IEEE Transactions on Microwave Theory and Techniques. Vol. 54 (6), p. 2887-2898

Journal article

2006

Single-Chip 60 GHz Transmitter and Receiver MMICs in a GaAs mHEMT Technology

Sten Gunnarsson, Camilla Kärnfelt, Herbert Zirath et al

Proceedings of IEEE MTT-S International Microwave Symposium, 11-16 June, 2006, p. 801-804

Paper in proceeding

2006

Multifunctional MMIC design and antenna integration

Camilla Kärnfelt, Sten Gunnarsson, Herbert Zirath et al

Abstract book WOCSDICE 2006. Vol. 1 (1), p. 109-111

Other conference contribution

2005

Balanced Colpitt Oscillator MMICs Designed for Ultra-Low Phase Noise

Herbert Zirath, Rumen Kozhuharov, Mattias Ferndahl

Journal of Solid State Circuits. Vol. 40 (10), p. 2077-89

Journal article

2005

Highly Integrated 60 GHz Transmitter and Receiver MMICs in a GaAs pHEMT Technology

Sten Gunnarsson, Camilla Kärnfelt, Herbert Zirath et al

IEEE Journal of Solid-State Circuits

Journal article

2005

Development of 60-GHz front-end circuits for a high-data-rate communication system

Herbert Zirath, Rumen Kozhuharov, Mattias Ferndahl

IEEE Journal of Solid-State Circuits. Vol. 40 (10), p. 2077-2086

Journal article

2005

A high purity 60 GHz single chip X8 multiplier with low phase noise

Camilla Kärnfelt, Rumen Kozhuharov, Herbert Zirath

Proceedings of Europeean Microwave Week, GAAS 2005. Vol. 1 (1), p. 253-256

Other conference contribution

2005

V-band Single Chip Mutipliers.

Rumen Kozhuharov, Camilla Kärnfelt, Herbert Zirath

GigaHertz 2005, p. 230-233

Conference poster

2005

Single-Chip 60 GHz Transmitter and Receiver MMICs for Very High Speed (several Gigabit/s) Wireless Transmission

Sten Gunnarsson, Camilla Kärnfelt, Herbert Zirath et al

GigaHertz 2005

Other conference contribution

2004

Development of 60-GHz Front -End Circuits for a High-Data-Rate Communication System.

Herbert Zirath, Toru Masuda, Rumen Kozhuharov et al

IEEE Journal of Solid-State Circuits. Vol. 39 (10), p. 1640-1649

Journal article

2003

A 55 GHz HEMT Monolithic Voltage Controlled Sources

Rumen Kozhuharov, Toru Masuda, Herbert Zirath

25-th GaAs IC Symposium 2003, p. 259 -262

Paper in proceeding

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