Dr.-Ing. Christian Bredendiek

  • Former Assistant - Chair Integrated Systems
Bredendiek, Christian
Email:
christian.bredendiek@is.rub.de

Research

  • Integrierte SiGe-Bipolar-Schaltungen für Radarsystem bei 80 GHz

Publications

2020
A Compact Harmonic Radar System With Active Tags at 61/122 GHz ISM Band in SiGe BiCMOS for Precise Localization

Steffen Hansen, Christian Bredendiek, Gunnar Briese, Nils Pohl - in IEEE Trans. Microw. Theo­ry Techn., vol. 69, no. 1, pp. 906-915, Oct. 2020

A Full E-Band Single-Channel SiGe Transceiver MMIC for Monostatic FMCW Radar Systems

Christian Bredendiek, Steffen Hansen, Gunnar Briese, Nils Pohl - in Proc. 15th European Microwave Integrated Circuits Conference (EuMIC), Amsterdam, Netherlands, 2020, accepted

Active Reflector Tag for Millimeter Wave Harmonic Radar at 61/122GHz ISM Band Based on 130nm-BiCMOS SiGe:C Technology

Steffen Hansen, Christian Bredendiek, Nils Pohl - in Proc. 2020 IEEE MTT-S International Microwave Symposium (IMS), Los Angeles (Online), USA, Aug. 4-6, 2020

Investigation of Integrated mmW-Downconverter VCOs in SiGe for Offset-PLL FMCW-Transceivers

Christian Bredendiek, Klaus Aufinger, Nils Pohl - in Proc. 2020 IEEE 20th Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems (SiRF), San Antonio, TX, USA, Jan. 26-29, 2020, pp. 43-46.

A 61-GHz RFID Frontend with SiGe Transceiver MMIC and SIW Coupling Network

Dominic Funke, Steffen Hansen, Christian Bredendiek, Thorben Grenter, Gerd vom Bögel, Armen Harutyunyan, Raik Fiedler, Andreas Heinig, Nils Pohl - in Proc. 50th European Microwave Conference (EuMC), Amsterdam, Netherlands, Jan 12-14 2020, DOI: 10.23919/EuMC48046.2021.9338212

Versatile Dual-Receiver 94-GHz FMCW Radar System With High Output Power and 26-GHz Tuning Range for High Distance Applications

Benedikt Welp, Steffen Hansen, G. Briese, Simon Küppers, Sven Thomas, Christian Bredendiek, Nils Pohl - in IEEE Trans. Microw. Theory Techn., vol. 68, no. 3 pp. 1-17, March 2020; DOI: 10.1109/TMTT.2019.2955127

2019
Ein 240 GHz FMCW Radarsensor für hochauflösende Messungen in SiGe mit integrierten Antennen

Nils Pohl, Christian Bredendiek, Sven Thomas - in Proc. Mikrosystemtechnikkongress, Berlin, Germany, Oct. 28-30, 2019.

Full Waveguide E- and W-Band Fundamental VCOs in SiGe:C Technology for Next Generation FMCW Radars Sensors

Christian Bredendiek, Klaus Aufinger, Nils Pohl - in Proc. of the 14th European Microwave Integrated Circuits Conference (EUMIC), Paris, France, Sept. 30-Oct. 4, 2019.

A SiGe-Based 240-GHz FMCW Radar System for High-Resolution Measurements

Sven Thomas, Christian Bredendiek, Nils Pohl - in IEEE Trans Microw Theory Tech (Early Access), pp. 1-11, June 2019.

2018
A 61 GHz-SiGe Transceiver Frontend for Energy and Data Transmission of Passive RFID Single Chip Tags with Integrated Antennas

Christian Bredendiek, Dominic Funke, Jan Schöpfel, Benedikt Welp, K. Aufinger, Nils Pohl - in IEEE J. Solid-State Circuits, vol. 53, no. 9, pp. 2441-2453, Sept. 2018

A Compact Ultra-Wideband mmWave Radar Sensor at 80 GHz Based on a SiGe Transceiver Chip

Nils Pohl, Timo Jaeschke, Christian Bredendiek, Simon Küppers, D. Nüßler - in Proc. 22nd International Microwave and Radar Conference, Poznan, Poland, May 14-17, 2018

2017
A 61 GHz SiGe Transmitter Chip for Energy and Data Transmission of Passive RFID Single Chip Tags with Integrated Antennas

Christian Bredendiek, Benedikt Welp, Klaus Aufinger, Nils Pohl - in Proc. IEEE Bipolar/BiCMOS Circuits and Technology Meeting (BCTM), Miami, FL, USA, Oct. 19-21, 2017.

Realization and application potentials of high resolution FMCW radar sensors based on SiGe MMICs

Nils Pohl, Timo Jaeschke, Sven Thomas, Simon Küppers, Christian Bredendiek - in Proc. AMA Sensor and Test 2017, Nürnberg, Deutschland, May 2017

2016
Cross-Polarized Multi-Channel W-Band Radar for Turbulent Flow Velocity Measurements

Timo Jaeschke, Christian Bredendiek, Simon Küppers, Christian Schulz, Christoph Baer, Nils Pohl - IEEE International Microwave Symposium 2016, San Francisco, CA, USA, May 22-27 2016

A Compact, Energy-Efficient 240 GHz FMCW Radar Sensor with High Modulation Bandwidth

Sven Thomas, Christian Bredendiek, Timo Jaeschke, F. Vogelsang, Nils Pohl - in Proc. German Microwave Conference (GeMiC) 2016, Bochum, Germany, March 14-16, 2016

2015
Comparison of Inductor Types for Phase Noise Optimized Oscillators in SiGe at 34 GHz

Sven Thomas, Christian Bredendiek, Nils Pohl - in Proc. German Microwave Conference (GeMiC) 2015, Nürnberg, March 16-18, 2015

2014
High Precision D-Band FMCW-Radar Sensor Based on a Wideband SiGe-Transceiver MMIC

Timo Jaeschke, Christian Bredendiek, Simon Küppers, Nils Pohl - High Precision D-Band FMCW-Radar Sensor Based on a Wideband SiGe-Transceiver MMIC, IEEE Trans. Microw. Theory Tech., vol. 62, no. 12, pp 3582-2597, Dec. 2014.

SiGe-MMIC based D-Band Radar for Accurate FMCW Multi-Target Vibration Measurements

Timo Jaeschke, Christian Bredendiek, Nils Pohl - in Proc. IEEE International Microwave Symposium (IMS) 2014, Tampa, USA, June 1-6, 2014

3D FMCW SAR Imaging based on a 240 GHz SiGe Transceiver Chip with Integrated Antennas

Timo Jaeschke, Christian Bredendiek, Nils Pohl - in Proc. German Microwave Conference (GeMiC) 2014, Aachen, March 10-12, 2014

2013
SiGe based Wideband mm-Wave Imaging Systems for Security and Quality Assurance Applications

Timo Jaeschke, Christian Bredendiek, Nils Pohl - in Proc. International THz Conference, Villach, Austria, Sept. 9-10, 2013

A 240 GHz Ultra-Wideband FMCW Radar System with On-Chip Antennas for High Resolution Radar Imaging

Timo Jaeschke, Christian Bredendiek, Nils Pohl - To appear: Pro­c. 2013 IEEE In­ter­na­tio­nal Micro­wa­ve Sym­po­si­um (IMS), pp. 1-3, June 2-7, 2013, Seattle, Washington, USA

A Fundamental 240 GHz Single-Chip Radar Transceiver in a SiGe Bipolar Technology with On-Chip Antennas and Ultra-Wide Tuning Range

Christian Bredendiek, Nils Pohl, Timo Jaeschke, Klaus Aufinger, Attila Bilgic - To appear: Proc. 2013 IEEE Radio Fre­quen­cy In­te­gra­ted Cir­cuits Sym­po­si­um (RFIC), June 2-4, 2013, Seattle, Washington, USA

A 24 GHz wideband monostatic FMCW radar system based on a single-channel SiGe bipolar transceiver chip

Christian Bredendiek, Nils Pohl, Timo Jaeschke, Sven Thomas, Klaus Aufinger, Attila Bilgic - International Journal of Microwave and Wireless Technologies (IJMWT), 23 April 2013

Next generation integrated SiGe mm-wave circuits for automotive radar sensors

Nils Pohl, Knapp, Herbert, Christian Bredendiek, Lachner, Rudolf - International Journal of Microwave and Wireless Technologies / Volume 5 / Special Issue 01 / February 2013, pp 43-48

2012
A 24 GHz Wideband Single-Channel SiGe Bipolar Transceiver Chip for Monostatic FMCW Radar Systems

Christian Bredendiek, Nils Pohl, Timo Jaeschke, Sven Thomas, Klaus Aufinger, Attila Bilgic - Microwave Integrated Circuits Conference (EuMIC), 2012 7th European , vol., no., pp.309,312, 29-30 Oct. 2012

Fractional-N PLL Based FMCW Sweep Generator for an 80 GHz Radar System with 24.5 GHz Bandwidth

Timo Jaeschke, Christian Bredendiek, Michael Vogt, Nils Pohl - Advances in Radio Science, vol. 10, 2012.

Differential Signal Source Chips at 150 GHz and 220 GHz in SiGe Bipolar Technologies Based on Gilbert-Cell Frequency Doublers

Christian Bredendiek, Nils Pohl, K. Aufinger, Attila Bilgic - Proc. 2012 IEEE Bipolar / BiCMOS Ciruits and Technology Meeting (BCTM), Portland, Oregon, USA, Sept. 30-Oct. 3, 2012.

An Ultra-Wideband 80 GHz Radar System for High Resolution Measurements based on a SiGe Transceiver Chip

Nils Pohl, Timo Jaeschke, Christian Bredendiek - Kleinheubacher Tagung. U.R.S.I. Landesausschuss in der Bundesrepublik Deutschland e.V., 24-26 Sep. 2012.

An Ultra-Wideband D-Band Signal Source Chip Using a Fundamental VCO with Frequency Doubler in a SiGe Bipolar Technology

Christian Bredendiek, Nils Pohl, K. Aufinger, Attila Bilgic - Proc. 2012 IEEE Radio Frequency Integrated Circuits Symposium (RFIC), Montréal, Canada, Jun. 17-19, 2012.

Improvements in distance measurement and SAR-imaging applications by using ultra-high resolution mm-wave FMCW radar systems

Timo Jaeschke, Michael Vogt, Christoph Baer, Christian Bredendiek, Nils Pohl - Proceedings: International Microwave Symposium, pp. 1-3, June 17-22, 2012, Montreal, Canada.

A Highly-Linear Low-Power Down-Conversion Mixer for Monostatic Broadband 80 GHz FMCW-Radar Transceivers

Christian Bredendiek, Nils Pohl, Timo Jaeschke, K. Aufinger, Attila Bilgic - Proc. 2012 Progress In Electromagnetics Research Symposium (PIERS), Kuala Lumpur, Malaysia, Mar. 27-30, 2012.

Advantages of Using Broadband Millimeter Wave Radar Sensors for High Precision Distance Measurements and SAR Imaging

Timo Jaeschke, Michael Vogt, Christian Bredendiek, Nils Pohl - Proc. 2012 Progress In Electromagnetics Research Symposium (PIERS), Kuala Lumpur, Malaysia, Mar. 27-30, 2012.

2011
A PLL-Stabilized 80 GHz FMCW Radar with 24.5 GHz Bandwidth for High Precision Distance Measurements

Timo Jaeschke, Michael Vogt, Christian Bredendiek, Nils Pohl - Kleinheubacher Tagung. U.R.S.I. Landesausschuss in der Bundesrepublik Deutschland e.V

Fractional PLL based FMCW sweep generation for an 80 GHz radar system with 24.5 GHz bandwidth

Timo Jaeschke, Christian Bredendiek, Michael Vogt, Nils Pohl - Proceedings: Kleinheubacher Tagung 2011, U.R.S.I.-Landesausschuss in der Bundesrepublik Deutschland, Sept. 26-28, 2011, Miltenberg, Germany, Advances in Radio Science, in press