Person

Dr.-Ing., Universitätsprofessor

Stefan Heinen

Lehrstuhlinhaber

Lehrstuhl für Integrierte Analogschaltungen und Institut für Halbleitertechnik

Address

Building: ICT Cubes

Room: 2.OG 203

Kopernikusstr. 16

52074 Aachen

Contact

workPhone
Phone: +49 241 80 27745
Fax: +49 241 80 22199
 
Title Author(s)
Road Vibrations as a Source to Detect the Presence and Speed of Vehicles
Journal Article (2017)
Rivas, Javier
Wunderlich, Ralf
Heinen, Stefan
WPAN node with Wake-Up Receiver using CSMA/CA and a channel occupation scheme
Contribution to a book, Contribution to a conference proceedings (2017)
Arndt, Josua
Bonehi, Vahid
Wunderlich, Ralf
Heinen, Stefan
Examination of Power Consumption Reduction and Sampling Behavior of Envelope Detection Based Wake-up-Receiver with Duty Cycling Scheme
Contribution to a book, Contribution to a conference proceedings (2017)
Arndt, Josua
Krystofiak, Lukas
Bonehi, Vahid
Wunderlich, Ralf
Heinen, Stefan
Design for TV whitespace Operational Compliance for Cognitive Radio Enabled HighIF WLAN/LTE Front-Ends
Contribution to a conference proceedings (2016)
Ashok, Arun
Subbiah, Iyappan
Schrey, Moritz
Heinen, Stefan
Varga, Gabor
Embedded Tutorial: Analog-/Mixed-Signal Verification Methods for AMS Coverage Analysis
Contribution to a conference proceedings, Contribution to a book (2016)
Barke, Erich
Fürtig, Andreas
Gläser, Georg
Grimm, Christoph
Hedrich, Lars
Heinen, Stefan
Hennig, Eckhard
Lee, Hyun-Sek Lukas
Nebel, Wolfgang
Nitsche, Gregor
Olbrich, Markus
Radojicic, Carna
Speicher, Fabian
High energy efficient analog compressed sensing encoder for wireless ECG system
Journal Article (2016)
Wang, Yishan
Doleschel, Sammy
Wunderlich, Ralf
Heinen, Stefan
An advanced control device for intelligent lighting in DLT-systems
Contribution to a book, Contribution to a conference proceedings (2016)
Lohaus, Lukas
Rossius, Arne
de Vrieze, Colin
Wunderlich, Ralf
Heinen, Stefan
Multiple input, single output, single inductor DC-DC converter architecture providing charge reuse by an efficient high voltage current sink
Contribution to a book, Contribution to a conference proceedings (2016)
Rolff, Leo
Schulte Bocholt, Eva
Lohaus, Lukas
Wunderlich, Ralf
Heinen, Stefan
A 2.3mW quadrature bandpass continuous-time ΔΣ modulator with reconfigurable quantizer
Contribution to a conference proceedings, Contribution to a book (2016)
Saalfeld, Tobias
Atac, Aytac
Liao, Lei
Wunderlich, Ralf
Heinen, Stefan
Effect of integrated polysilicon resistors on the linearity of composite circuits
Contribution to a conference proceedings, Contribution to a book (2016)
Varga, Gabor
Geck, Lotte
Subbiah, Iyappan
Schrey, Moritz Cajetan
Heinen, Stefan
Cognitive Cellular Systems: A New Challenge on the RF Analog Frontend
Journal Article (2016)
Varga, Gabor
Schrey, Moritz Cajetan
Subbiah, Iyappan
Ashok, Arun
Heinen, Stefan
Design of an integrated CMOS highly sensitive true RMS RF power detector for Cognitive Radio applications
Contribution to a conference proceedings, Contribution to a book (2016)
Varga, Gabor
Wolf, Benedikt
van Rey, Tobias
Ashok, Arun
Heinen, Stefan
Evaluation of Digital Compressed Sensing for Real-Time Wireless ECG System with Bluetooth low Energy
Journal Article (2016)
Wang, Yishan
Doleschel, Sammy
Wunderlich, Ralf
Heinen, Stefan
Towards Bidirectional Power Line Communication with Digital Load-Side Transmission
Contribution to a book, Contribution to a conference proceedings (2016)
Lohaus, Lukas
de Vrieze, Colin
Rossius, Arne
Wunderlich, Ralf
Heinen, Stefan
High Dynamic Range Cognitive Radio Front Ends: Architecture to Evaluation
Journal Article (2016)
Ashok, Arun
Subbiah, Iyappan
Varga, Gabor
Schrey, Moritz Cajetan
Heinen, Stefan
A Multi-Frequency Multi-Standard Wideband Fractional- PLL With Adaptive Phase-Noise Cancellation for Low-Power Short-Range Standards
Journal Article, Contribution to a conference proceedings (2016)
Zhang, Ye
Müller, Jan Henning
Mohr, Bastian
Liao, Lei
Atac, Aytac
Wunderlich, Ralf
Heinen, Stefan
A 80 nW, 32 kHz charge-pump based ultra low power oscillator with temperature compensation
Contribution to a book, Contribution to a conference proceedings (2016)
Scholl, Markus
Zhang, Ye
Wunderlich, Ralf
Heinen, Stefan
Design of ultra low power cascaded inductorless LNA for Wireless Sensor Network application
Contribution to a conference proceedings, Contribution to a book (2016)
Bonehi, Vahid
Ruder, Arthur
Aghaie, Soheil
Subbiah, Iyappan
Wunderlich, Ralf
Heinen, Stefan
ANCONA - Analog-/Mixed-Signal Verifikationsmethoden für die AMS-Coverage-Analyse
Journal Article (2016)
Chen, Zhimiao
Wang, Yifan
Liao, Lei
Zhang, Ye
Atac, Aytac
Müller, Jan Henning
Wunderlich, Ralf
Heinen, Stefan
A high efficiency straightforward design and verification methodology for PLL systems
Contribution to a book, Contribution to a conference proceedings (2016)
Scholl, Markus Josef
Zhang, Ye
Wunderlich, Ralf
Heinen, Stefan
An AESA Antenna Comprising an RF Feeding Network With Strongly Coupled Antenna Ports
Journal Article (2015)
Pamies Porras, Mariano Javier
Bertuch, Thomas
Loecker, Claudius
Adams, Rene
Wunderlich, Ralf
Heinen, Stefan
A Wearable Wireless ECG Monitoring System With Dynamic Transmission Power Control for Long-Term Homecare
Journal Article (2015)
Wang, Yishan
Doleschel, Sammy
Wunderlich, Ralf
Heinen, Stefan
A Dimmable LED Driver With Resistive DAC Feedback Control for Adaptive Voltage Regulation
Journal Article (2015)
Lohaus, Lukas
Rossius, Arne
Dietrich, Stefan
Wunderlich, Ralf
Heinen, Stefan
Design of highly sensitive CMOS RF energy harvester using ultra-low power charge pump
Contribution to a conference proceedings, Contribution to a book (2015)
Al-Shebanee, Durgham
Wunderlich, Ralf
Heinen, Stefan
A Wideband Fractional-N Synthesizer with Low Effort Adaptive Phase Noise Cancellation for Low-Power Short-Range Standards
Contribution to a conference proceedings (2015)
Zhang, Ye
Müller, Jan Henning
Mohr, Bastian
Liao, Lei
Atac, Aytac
Wunderlich, Ralf
Heinen, Stefan
Get the LED Out : experimental Validation of a Capacitor-Free Single-Inductor, Multiple-Output LED Driver Topology
Journal Article (2015)
Dietrich, Stefan
Strache, Sebastian
Wunderlich, Ralf
Heinen, Stefan
An Innovative Integration Technique of a Capacitor-Free Single-Inductor, Multiple-Output LED Driver [Industry Forum] Dc\uFFFDdc light-emitting diode (LED)
Journal Article (2015)
Dietrich, Stefan
Strache, Sebastian
Wunderlich, Ralf
Heinen, Stefan
A power supply topology operating at highly discontinuous input voltages for two-wire connected control devices in Digital Load-Side Transmission (DLT) systems for intelligent lighting
Contribution to a conference proceedings, Contribution to a book (2015)
Lohaus, Lukas
Rossius, Arne
Wunderlich, Ralf
Heinen, Stefan
A workaround to the higher order derivative issue of threshold voltage based MOSFET models
Contribution to a conference proceedings, Contribution to a book (2015)
Varga, Gabor
Ashok, Arun
Subbiah, Iyappan
Schrey, Moritz
Heinen, Stefan
A highly linear broadband LNA for TV white spaces and Cognitive Radio applications
Contribution to a conference proceedings, Contribution to a book (2015)
Varga, Gabor
Heising, Carl Philip
Ashok, Arun
Subbiah, Iyappan
Schrey, Moritz
Heinen, Stefan
12.4 A 7.5W-output-power 96%-efficiency capacitor-free single-inductor 4-channel all-digital integrated DC-DC LED driver in a 0.18μm technology
Contribution to a conference proceedings, Contribution to a book (2015)
Dietrich, Stefan
Strache, Sebastian
Mohr, Bastian
Müller, Jan Henning
Rolff, Leo
Wunderlich, Ralf
Heinen, Stefan
A mixed-domain modeling method for RF systems
Contribution to a conference proceedings, Contribution to a book (2015)
Chen, Zhimiao
Liu, Zhixing
Liao, Lei
Wunderlich, Ralf
Heinen, Stefan
Process tolerant highly linear mixer output stage with feedforward linearity improvement method for a high-IF converter
Contribution to a conference proceedings, Contribution to a book (2015)
Ashok, Arun
Varga, Gabor
Subbiah, Iyappan
Schrey, Moritz
Heinen, Stefan
An efficient dual-stage power supply topology for series connected control devices in intelligent lighting systems
Contribution to a conference proceedings, Contribution to a book (2015)
Lohaus, Lukas
Rossius, Arne
Sturm, Andreas
Wunderlich, Ralf
Heinen, Stefan
Gain and noise optimization of a passive sliding IF architecture
Contribution to a conference proceedings, Contribution to a book (2015)
Bonehi, S. Vahid M.
Beyerstedt, Christoph
Chen, Zhimiao
Liao, Lei
Wunderlich, Ralf
Heinen, Stefan
Design of a highly linear, low noise, broad band up-converter for cognitive radio applications
Contribution to a conference proceedings, Contribution to a book (2015)
Varga, Gabor
Ashok, Arun
Subbiah, Iyappan
Schrey, Moritz
Heinen, Stefan
Energy Efficient Electronics for the Internet of Things
Conference Presentation (2015)
Heinen, Stefan
A 1.2V, 2.7mA Receiver Front-End for Bluetooth Low Energy Applications
Contribution to a conference proceedings, Contribution to a book (2014)
Liao, Lei
Atac, Aytac
Zhang, Ye
Wang, Yifan
Chen, Zhimiao
Schleyer, Martin
Wunderlich, Ralf
Heinen, Stefan
A Comparison of Receiver Topologies for Digital Load-Side Transmission in General LED Lighting
Contribution to a conference proceedings (2014)
Lohaus, Lukas
Rossius, Arne
Wunderlich, Ralf
Heinen, Stefan
whiteLAN : Facilitate Cost-efficient SDR Research with Cots Ieee 802.11B/G Devices
Contribution to a conference proceedings, Journal Article, Contribution to a book (2014)
Ashok, Arun
Subbiah, Iyappan
Varga, Gabor
Schrey, Moritz Cajetan
Achtzehn, Andreas
Petrova, Marina
Heinen, Stefan
Radio Front-End Enabling WLAN over White Spaces Cognitively
Contribution to a conference proceedings (2014)
Ashok, A.
Subbiah, I.
Varga, G.
Schrey, M.
Heinen, S.
A low-complexity low-spurs digital architecture for wideband PLL applications
Journal Article (2014)
Zhang, Ye
Wunderlich, Ralf
Heinen, Stefan
A Comprehensive, Quantitative Comparison of Inverter Architectures for Various PV Systems, PV Cells, and Irradiance Profiles
Journal Article (2014)
Strache, Sebastian
Wunderlich, Ralf
Heinen, Stefan
A Digital centric CMOS RF Transmitter for Multistandard Multiband Applications
Contribution to a conference proceedings (2014)
Mohr, Bastian
Mueller, Jan Henning
Zhang, Ye
Thiel, Björn Thorsten
Negra, Renato
Heinen, Stefan
A Low Power DLL Based Clock Multiplier for Multistandard Wireless Smart Grid Communication
Contribution to a conference proceedings (2014)
Atac, Aytac
Wunderlich, Ralf
Heinen, Stefan
An HDL-based system design methodology for multistandard RF SoC's
Contribution to a conference proceedings, Contribution to a book (2014)
Atac, Aytac
Chen, Zhimiao
Liao, Lei
Wang, Yifan
Schleyer, Martin
Zhang, Ye
Wunderlich, Ralf
Heinen, Stefan
A SystemC Virtual Prototyping based Methodology for Multi-Standard SoC Functional Verification
Contribution to a conference proceedings, Contribution to a book (2014)
Chen, Zhimiao
Wang, Yifan
Liao, Lei
Zhang, Ye
Atac, Aytac
Müller, Jan Henning
Wunderlich, Ralf
Heinen, Stefan
High-speed serial interface with a full digital delay-loop
Contribution to a conference proceedings, Contribution to a book (2014)
Harder, Christian
Mohr, Bastian
Heinen, Stefan
Compensating imperfections in RF-DAC based transmitters using LUT-based predistortion
Contribution to a conference proceedings, Contribution to a book (2014)
Mohr, Bastian
Zhang, Ye
Müller, Jan Henning
Heinen, Stefan
Integration of multistandard, multimode transmitter frontends in 65nm CMOS
Conference Presentation (2014)
Heinen, Stefan
Zhang, Ye
Mohr, Bastian
Müller, Jan Henning
A low complexity multi standard dual band CMOS polar transmitter for smart utility networks
Contribution to a conference proceedings, Contribution to a book (2014)
Müller, Jan Henning
Zhang, Ye
Liao, Lei
Atac, Aytac
Chen, Zhimiao
Mohr, Bastian
Heinen, Stefan
Integrated AC/DC converter with no-load over-voltage protection and safe start-up
Contribution to a conference proceedings, Contribution to a book (2014)
Goravanchi, Peyman
Wunderlich, Ralf
Heinen, Stefan
A Submodular Boost Converter ASIC for Output Energy Improvements in Photovoltaic Applications
Contribution to a conference proceedings, Contribution to a book (2014)
Heinen, Stefan
Wunderlich, Ralf
Strache, Sebastian
Müller, Jan Henning
An all digital speed adaptive maximum power point tracker for automotive photovoltaic applications
Contribution to a conference proceedings, Contribution to a book (2014)
Strache, Sebastian
Wunderlich, Ralf
Heinen, Stefan
System design of a high-IF to UHF converter enabling cognitive radio
Contribution to a conference proceedings, Contribution to a book (2014)
Subbiah, Iyappan
Ashok, Arun
Varga, Gabor
Schrey, Moritz
Heinen, Stefan
A broadband RF converter empowering cognitive radio networks in the TV white space
Contribution to a conference proceedings, Contribution to a book (2014)
Varga, Gabor
Schrey, Moritz
Subbiah, Iyappan
Ashok, Arun
Heinen, Stefan
A Low-Power Low-Complexity Multi-Standard Digital Receiver for Joint Clock Recovery and Carrier Frequency Offset Calibration
Journal Article (2014)
Zhang, Ye
Müller, Jan Henning
Mohr, Bastian
Heinen, Stefan
Design of a low power multistandard transceiver chain based on current-reuse VCO
Contribution to a conference proceedings, Contribution to a book (2014)
Zhang, Ye
Müller, Jan Henning
Wei, Muh-Dey
Wunderlich, Ralf
Heinen, Stefan
All-Digital Current Control for Capacitor-Free Multi-Channel LED Drivers
Contribution to a conference proceedings, Contribution to a book (2014)
Dietrich, Stefan
Strache, Sebastian
Lu, Kai
Heinen, Stefan
Wunderlich, Ralf
Design of a low-power calibratable charge-redistribution SAR ADC
Contribution to a conference proceedings, Contribution to a book (2014)
Aghaie, Soheil
Mueller, Jan Henning
Wunderlich, Ralf
Heinen, Stefan
A low power high-side current sense SAR ADC for automotive applications
Contribution to a conference proceedings, Contribution to a book (2014)
Dietrich, Stefan
Strache, Sebastian
Müller, Jan Henning
Lohaus, Lukas
Wunderlich, Ralf
Heinen, Stefan
An HDL-Based System Design Methodology for Multistandard RF SoC's
Contribution to a conference proceedings, Contribution to a book (2014)
Atac, Aytac
Chen, Zhimiao
Liao, Lei
Wang, Yifan
Schleyer, Martin
Zhang, Ye
Wunderlich, Ralf
Heinen, Stefan
A digital centric transmitter architecture with arbitrary ratio baseband-to-LO upsampling
Contribution to a conference proceedings (2013)
Müller, Jan Henning
Mohr, Bastian
Zhang, Ye
Negra, Renato
Heinen, Stefan
A Dimmable LED Driver Using Resistive DAC Feedback Control for Adaptive Voltage Regulation
Contribution to a conference proceedings (2013)
Lohaus, Lukas
Rossius, Arne
Dietrich, Stefan
Wunderlich, Ralf
Heinen, Stefan
A Low Noise Wearable Wireless ECG System with Body Motion Cancellation for Long Term Homecare
Contribution to a conference proceedings (2013)
Wang, Yishan
Wunderlich, Ralf
Heinen, Stefan
Design and Evaluation of a Novel Wireless Reconstructed 3-Lead ECG Monitoring System
Contribution to a conference proceedings (2013)
Wang, Yishan
Wunderlich, Ralf
Heinen, Stefan
A 1.7mW quadrature bandpass ΔΣ ADC with 1MHz BW and 60dB DR at 1MHz IF
Contribution to a conference proceedings (2013)
Atac, Aytac
Liao, Lei
Wang, Yifan
Schleyer, Martin
Zhang, Ye
Wunderlich, Ralf
Heinen, Stefan
Advanced Digital Current Prediction for Current Ripple Reduction in DC-DC Converters for Photovoltaic Applications
Contribution to a conference proceedings (2013)
Strache, Sebastian
Müller, Jan Henning
Wunderlich, Ralf
Heinen, Stefan
A 1mV Voltage Ripple 0.97mm2 Fully Integrated Low-Power Hybrid Buck Converter
Contribution to a conference proceedings (2013)
Dietrich, Stefan
Liao, Lei
Vanselow, Frank
Wunderlich, Ralf
Heinen, Stefan
A Capacitor-Free Single-Inductor Multiple-Output LED Driver
Contribution to a conference proceedings (2013)
Dietrich, Stefan
Strache, Sebastian
Lohaus, Lukas
Wunderlich, Ralf
Heinen, Stefan
Top Level Verification of a Digital-Centric Highly-Flexible Multistandard Transmitter
Contribution to a conference proceedings (2013)
Müller, Jan Henning
Mohr, Bastian
Negra, Renato
Heinen, Stefan
Design of a TV White Space Converter Prototype Towards Cognitive Radio for WLAN Routers
Contribution to a conference proceedings (2013)
Subbiah, Iyappan
Schrey, Moritz
Ashok, Arun
Varga, Gabor
Achtzehn, Andreas
Petrova, Marina
Heinen, Stefan
A Self-Calibration High Speed Dual Slope ADC for SoC Sensor Applications
Contribution to a conference proceedings, Contribution to a book (2013)
Scholl, Markus
Zhang, Ye
Mohr, Bastian
Wunderlich, Ralf
Heinen, Stefan
High Speed Interface for Digital Centric Transmitters
Contribution to a conference proceedings (2013)
Mohr, Bastian
Müller, Jan Henning
Zhang, Ye
Leys, Richard
Schenk, Sven
Bruening, Ulrich
Heinen, Stefan
Low-Effort High-Performance Viterbi-based Receiver for Bluetooth LE Applications
Contribution to a conference proceedings (2013)
Zhang, Ye
Chen, Zhimiao
Wunderlich, Ralf
Heinen, Stefan
A 2.4-GHz Low Power High Performance Frequency Synthesizer Based on Current-Reused VCO and Symmetric Charge pump
Contribution to a conference proceedings (2013)
Zhang, Ye
Liao, Lei
Wei, Muh-Dey
Atac, Aytac
Müller, Jan Henning
Mohr, Bastian
Wang, Yifan
Schleyer, Martin
Wunderlich, Ralf
Negra, Renato
Heinen, Stefan
Concept Study for Fully Integrated and Photovoltaic Inverter
Contribution to a conference proceedings (2013)
Baumann, Katharina
Strache, Sebastian
Wunderlich, Ralf
Heinen, Stefan
Low Complexity Image Rejection Demodulator for Bluetooth LE Applications
Contribution to a conference proceedings (2013)
Zhang, Ye
Wunderlich, Ralf
Heinen, Stefan
On-Chip AC/DC Converter With No-Load Over-Voltage Protection and Output Ripple Reduction
Contribution to a conference proceedings (2013)
Goravanchi, Peyman
Wunderlich, Ralf
Heinen, Stefan
Comparison of Modeling Approaches through Hierachical Behavioral Modeling of a GNSS Receiver Front-End
Contribution to a conference proceedings (2013)
Chen, Zhimiao
Wang, Yifan
Wunderlich, Ralf
Heinen, Stefan
Advanced Color Control for Multicolor LED Illumination Systems with Parametric Optimization
Contribution to a conference proceedings (2013)
Lohaus, Lukas
Leicht, Emanuel
Dietrich, Stefan
Wunderlich, Ralf
Heinen, Stefan
Mixed-Signal Design of a Wideband Spur-Free Fractional-N Synthesizer with Adaptive Phase Noise Cancellation Based on LMS Algorithm
Contribution to a conference proceedings (2013)
Zhang, Ye
Wunderlich, Ralf
Heinen, Stefan
System Design for an Experimental Cognitive Transceiver
Contribution to a conference proceedings (2013)
Ashok, Arun
Subbiah, Iyappan
Heinen, Stefan
The Impact of Noise and Mismatch on SAR ADCs and a Calibratable Capacitance Array Based Approach for High Resolutions
Journal Article (2013)
Müller, Jan Henning
Strache, Sebastian
Busch, Laurens
Wunderlich, Ralf
Heinen, Stefan
A Novel Low-Effort Demodulator for Low Power Short Range Wireless Transceivers
Journal Article (2013)
Zhang, Ye
Wang, Yifan
Wunderlich, Ralf
Heinen, Stefan
Design of frequency agile filters in rf frontend circuits
Contribution to a conference proceedings (2012)
Kählert, Stefan
Bormann, Dirk
Werth, Tobias Daniel
Wei, Muh-Dey
Liao, Lei
Heinen, Stefan
An integrated acceleration sensor for traffic condition detection
Contribution to a conference proceedings (2012)
Rivas, J.
Wunderlich, Ralf
Heinen, S. J.
A Ultra Low Power Frequency Synthesizer Based on Multiphase Fractional Frequency Divider
Contribution to a conference proceedings (2012)
Zhang, Ye
Wunderlich, Ralf
Heinen, Stefan
A Low Power Bandgap Voltage Reference Circuit with PSRR Enhancement
Contribution to a conference proceedings (2012)
Liao, Lei
Lohaus, Lukas
Atac, Aytac
Strache, Sebastian
Wunderlich, Ralf
Heinen, Stefan
Flexible digital-centric wireless transmitters
Contribution to a conference proceedings (2012)
Negra, Renato
Niklas, Zimmermann
Thiel, Björn Thorsten
Mohr, Bastian
Müller, Jan Henning
Wang, Yifan
Heinen, Stefan
SystemC based Model Refinement Flow for System Verification of a GNSS Receiver Frontend
Contribution to a conference proceedings (2012)
Chen, Zhimiao
Wang, Yifan
Heinen, Stefan
A Calibratable Capacitance Array Based Approach for High Resolution CR SAR ADCs
Contribution to a conference proceedings (2012)
Müller, Jan Henning
Strache, Sebastian
Busch, Laurens
Wunderlich, Ralf
Heinen, Stefan
An RFDAC based reconfigurable multistandard transmitter in 65 nm CMOS
Contribution to a conference proceedings (2012)
Mohr, Bastian
Zimmermann, Niklas
Thiel, Björn Thorsten
Müller, Jan Henning
Wang, Yifan
Zhang, Ye
Lemke, Frank
Leys, Richard
Schenk, Sven
Bruening, Ulrich
Negra, Renato
Heinen, Stefan
A low-power high-efficiency demodulator in bluetooth low energy receiver
Contribution to a conference proceedings (2012)
Zhang, Ye
Atac, Aytac
Liao, Lei
Heinen, Stefan
Maximum Power Point Tracker for Small Number of Solar Cells Connected in Series
Contribution to a conference proceedings (2012)
Strache, Sebastian
Müller, Jan Henning
Platz, Dominik
Wunderlich, Ralf
Heinen, Stefan
Photovoltaic Output Power Improvement Applying DC-DC Converters on Submodule Level
Contribution to a conference proceedings (2012)
Strache, Sebastian
Müller, Jan Henning
Wunderlich, Ralf
Heinen, Stefan
Offset Correction in Dual-Chopper Read-Out Circuits for Half-Bridge Capacitive Accelerometers
Contribution to a conference proceedings (2012)
Bergert, Jonas
Strache, Sebastian
Wunderlich, Ralf
Dirk, Droste
Heinen, Stefan
System simulation for M-sequence radar sensors
Contribution to a conference proceedings (2012)
Robens, Markus
Wunderlich, Ralf
Heinen, Stefan
Sachs, Jürgen
Ultra-Wideband active array imaging for biomedical diagnostics
Contribution to a conference proceedings (2012)
Hein, M.
Helbig, M.
Kmec, M.
Sachs, Jürgen
Scotto di Clemente, F.
Stephan, R.
Hamouda, M.
Ussmüller, T.
Weigel, Robert
Robens, Markus
Wunderlich, Ralf
Heinen, Stefan
Baseband Modeling of a GNSS Receiver Front-End using SystemC/-AMS
Contribution to a conference proceedings (2012)
Chen, Zhimiao
Wang, Yifan
Heinen, Stefan
A Resampling Circuit for RFDAC Based Transmitter Systems
Contribution to a conference proceedings (2012)
Mohr, Bastian
Müller, Jan Henning
Thiel, Björn Thorsten
Heinen, Stefan
Analysis of Digital Predistortion Architectures for Direct Digital-to-RF Transmitter Systems
Contribution to a conference proceedings (2012)
Mohr, Bastian
Li, Wenjia
Heinen, Stefan
Energy efficient current control technique for driving high power LEDs
Contribution to a conference proceedings (2012)
Lohaus, Lukas
Liao, Lei
Strache, Sebastian
Wunderlich, Ralf
Heinen, Stefan
An Ultra Low Power Frequency Synthesizer Based on Multiphase Fractional Frequency Divider
Contribution to a conference proceedings (2012)
Zhang, Ye
Wunderlich, Ralf
Heinen, Stefan
Capacitively Divided an On-Chip AC/DC Converter With No-Load Over-Voltage Protection
Contribution to a conference proceedings (2012)
Goravanchi, Payman
Wunderlich, Ralf
Heinen, Stefan
Stability Considerations of Hysteretic Controlled DC-DC Converters
Contribution to a conference proceedings (2012)
Dietrich, Stefan
Wunderlich, Ralf
Heinen, Stefan
System Modelling of an Integrated Hysteretic Controlled DC-DC Converter
Contribution to a conference proceedings (2012)
Dietrich, Stefan
Sandner, Harald
Vanselow, Frank
Wunderlich, Ralf
Heinen, Stefan
A Low Power LNA for Bluetooth Low Energy Application with Consideration of Process and Mismatch
Contribution to a conference proceedings, Contribution to a book (2012)
Liao, Lei
Kählert, Stefan
Wang, Yifan
Atac, Aytac
Zhang, Ye
Schleyer, Martin
Wunderlich, Ralf
Heinen, Stefan
An Adaptable UART Based Configuration and Read-out Interface for IC Prototypes
Contribution to a conference proceedings (2012)
Müller, Jan Henning
Hamzavi Nejad Moghaddam, Mojdeh
Mohr, Bastian
Strache, Sebastian
Wunderlich, Ralf
Heinen, Stefan
Multistandard Digital-to-RF Transmitter for Wireless Communications
Journal Article (2012)
Mohr, Bastian
Thiel, Björn Thorsten
Zimmermann, Niklas
Zhang, Ye
Negra, Renato
Heinen, Stefan
Self-Powered Intelligent Sensor Node Concept for Monitoring of Road and Traffic Conditions
Journal Article (2012)
Strache, Sebastian
Wunderlich, Ralf
Heinen, Stefan
Novel System Clock Generation from a Modulated Signal
Journal Article (2012)
Müller, Jan Henning
Neyer, Andreas August
Wunderlich, Ralf
Heinen, Stefan
A MEMS Acceleration Sensor for Traffic Condition Detection
Contribution to a conference proceedings (2012)
Rivas, Javier
Wunderlich, Ralf
Heinen, S.
A Low Power Variable GBW Opamp from 60MHz to 2GHz for Multi-Standard Receivers
Contribution to a conference proceedings (2012)
Atac, Aytac
Harder, Christian
Wunderlich, Ralf
Heinen, Stefan
An Automated Parameter Extraction Framework for Functional Verification of Mixed-Signal SoCs
Contribution to a conference proceedings (2012)
Schleyer, Martin
Wang, Yifan
Heinen, Stefan
System Design of a Quadrature Low-IF Receiver for Bluetooth Low Energy Applications
Contribution to a conference proceedings (2012)
Atac, Aytac
Wang, Yifan
Liao, Lei
Zhang, Ye
Wunderlich, Ralf
Heinen, Stefan
HaLoS – Integrated RF-Hardware Components for Ultra-Wideband Localization and Sensing
Contribution to a book (2012)
Robens, M.
Wunderlich, R.
Heinen, S.
A wide-frequency-range fractional-N synthesizer for clock generation in 65nm CMOS
Contribution to a conference proceedings (2011)
Zhang, Ye
Zimmermann, Niklas
Wunderlich, Ralf
Heinen, Stefan
Joining design methodologies: successful collaboration of two CAN member univiersities for a high speed RF-DAC based transmitter system
Contribution to a conference proceedings (2011)
Bruening, Ulrich
Heinen, Stefan
A Low Power High GBW Fully Differential Subthreshold CMOS Opamp for CT Delta Sigma Modulators
Contribution to a conference proceedings (2011)
Atac, Aytac
Geller, Artur
Wunderlich, Ralf
Heinen, Stefan
A variable bandwidth & IF, continuous time ΔΣ modulator for low power low-IF receivers
Contribution to a conference proceedings (2011)
Atac, Aytac
Wunderlich, Ralf
Heinen, Stefan
High Dynamic Range {RF} Frontends from Multiband Multistandard to Cognitive Radio
Contribution to a conference proceedings (2011)
Heinen, Stefan
Wunderlich, Ralf
F3: Towards personalized medicine and monitoring for healthy living
Contribution to a conference proceedings (2011)
Enz, Christian
Cathelin, Andreia
Ghovanloo, Maysam
Heinen, Stefan
Je, Minkyu
Scott, David
A frequency agile LNA for cognitive radio applications in the UHF band
Contribution to a conference proceedings (2011)
Kählert, Stefan
Bormann, Dirk
Werth, Tobias Daniel
Wei, Muh-Dey
Liao, Lei
Heinen, Stefan
Top-Level simulation and functional verification of the RFDAC based multi standard transmitter
Contribution to a conference proceedings (2011)
Wang, Yifan
Zimmermann, Niklas
Mohr, Bastian
Heinen, Stefan
Comparison of Differnet Modeling Approaches to Assist the Mixed-Signal RF Top-Level Simulation and Functional Verification
Contribution to a conference proceedings (2011)
Wang, Yifan
Bormann, Dirk
Heinen, Stefan
Intelligent Road Infrastructure - A Concept Study
Contribution to a conference proceedings (2011)
Wunderlich, Ralf
Strache, Sebastian
Busen, Christian
Steinauer, Bernhard
Heinen, Stefan
A low mismatch symmetric charge pump for the application in PLLs
Contribution to a conference proceedings (2011)
Zhang, Ye
Zimmermann, Niklas
Wunderlich, Ralf
Heinen, Stefan
A Multiband Multistandard Notch Filter LNA for LTE, WCDMA and GSM for SAW-less Frontends
Contribution to a conference proceedings (2011)
Bormann, Dirk
Kählert, Stefan
Liao, Lei
Wei, Muh-Dey
Werth, Tobias Daniel
Wunderlich, Ralf
Heinen, Stefan
Reconfigurable digital centric transmitters
Contribution to a conference proceedings (2011)
Negra, Renato
Zimmermann, Niklas
Thiel, Björn Thorsten
Mohr, Bastian
Wang, Yifan
Heinen, Stefan
Flexible Digital-Centric RF-DAC Based Transmitter
Contribution to a conference proceedings (2011)
Negra, Renato
Zimmermann, Niklas
Thiel, Björn Thorsten
Mohr, Bastian
Heinen, Stefan
Implementation of an RF-DAC based Multistandard Transmitter System
Contribution to a conference proceedings (2011)
Mohr, Bastian
Zimmermann, Niklas
Wang, Yifan
Heinen, Stefan
Thiel, Björn Thorsten
Negra, Renato
Lemke, Frank
Schenk, Sven
Leys, Richard
Bruening, Ulrich
Differential Noise Figure De-Embedding: A Comparison of Available Approaches
Journal Article (2011)
Robens, Markus
Wunderlich, Ralf
Heinen, Stefan
RF Challenges for 3G, 4G and beyond
Conference Presentation (2010)
Heinen, Stefan
RF-DAC Based Multimode, Multistandard Transmitter for Wiresess Communications
Contribution to a book (2010)
Zimmermann, Niklas
Mohr, Bastian
Thiel, Björn Thorsten
Zhang, Ye
Negra, Renato
Heinen, Stefan
MATLAB/Simulink model of a MEMS accelerometer read-out circuit
Contribution to a conference proceedings (2010)
Strache, Sebastian
Droste, D.
Wunderlich, Ralf
Heinen, Stefan
Nichtlinearitäten in Ausleseschaltungen für kapazitive Nieder-g-Beschleunigungssensoren
Contribution to a conference proceedings (2010)
Strache, Sebastian
Bormann, Dirk
Wunderlich, Ralf
Heinen, Stefan
Digital Shaping of Static and Dynamic Mismatch Errors in Digital to Analog Converters
Contribution to a conference proceedings (2010)
Mohr, Bastian
Zimmermann, Niklas
Thiel, Björn Thorsten
Negra, Renato
Heinen, Stefan
Novel System Clock Generation from a Modulated Signal
Contribution to a conference proceedings (2010)
Müller, Jan Henning
Neyer, Andreas August
Wunderlich, Ralf
Heinen, Stefan
Continuous Gain Calibration of an FM-Radio Transmitter based on an All-Digital PLL
Contribution to a conference proceedings (2010)
Müller, Jan Henning
Neyer, Andreas August
Wunderlich, Ralf
Heinen, Stefan
A fully integrated all-digital {PLL} based {FM-R}adio Transmitter in 90 nm {CMOS}
Contribution to a conference proceedings (2010)
Neyer, Andreas August
Müller, Jan Henning
Kählert, Stefan
Wunderlich, Ralf
Heinen, Stefan
Optimized Mismatch Shaping for an RF-DAC Based OFDM Transmitter
Contribution to a conference proceedings (2010)
Mohr, Bastian
Zimmermann, Niklas
Thiel, Björn Thorsten
Negra, Renato
Heinen, Stefan
Differential Noise Figure Measurement: A Matrix Based Approach
Contribution to a conference proceedings (2010)
Robens, Markus
Wunderlich, Ralf
Heinen, Stefan
Reconfigurable Transmitter based on an RF-DAC
Contribution to a conference proceedings (2010)
Zimmermann, Niklas
Negra, Renato
Heinen, Stefan
System Design Considerations for SAW-less Front-Ends at the Example of GSM DCS1800
Contribution to a conference proceedings (2010)
Werth, Tobias Daniel
Kählert, Stefan
Heinen, Stefan
System simulation of adaptive I/Q mismatch compensation method using SystemC-AMS
Contribution to a conference proceedings (2010)
Wang, Yifan
Chen, Zhimiao
Van-Meersbergen, Christoph
Heinen, Stefan
Hierachical Generation of pin Accurate SystemC Models Based on RFCircuit Schematics
Contribution to a conference proceedings (2010)
Wang, Yifan
Chen, Zhimiao
Heinen, Stefan
System aspects of a low-cost coherent radar system with asea antenna for maritime applications
Contribution to a conference proceedings (2010)
Löcker, C.
Pamies, M.
Bertuch, Thomas
Knott, Peter Hubert
Erkens, Holger
Wunderlich, Ralf
Heinen, Stefan
Antenna front-end concepts of a low-cost coherent radar demonstrator for S-band application
Contribution to a conference proceedings (2010)
Löcker, C.
Pamies, M.
Bertuch, Thomas
Knott, Peter Hubert
Erkens, Holger
Wunderlich, Ralf
Heinen, Stefan
Input Amplifier for Sensitivity Improvement in an M-Sequence Radar Front-End
Contribution to a conference proceedings, Abstract (2010)
Robens, Markus
Wunderlich, Ralf
Heinen, Stefan
Quadrature Frequency Divider with Programmable Duty Cycle
Contribution to a conference proceedings (2010)
Werth, Tobias Daniel
de Sordi, Florian
Heinen, Stefan
RF-DAC Based Transmitter Architecture
Contribution to a conference proceedings (2010)
Mohr, Bastian
Zimmermann, Niklas
Wang, Yifan
Thiel, Björn Thorsten
Müller, Jan Henning
Negra, Renato
Heinen, Stefan
Design of an RF-DAC based Transmitter in 65nm CMOS
Contribution to a conference proceedings (2010)
Zimmermann, Niklas
Wang, Yifan
Mohr, Bastian
Thiel, Björn Thorsten
Müller, Jan Henning
Negra, Renato
Heinen, Stefan
Challenges for Future RF Integration
Contribution to a conference proceedings (2010)
Negra, Renato
Heinen, Stefan
Low Cost CMOS Multiband LNA for 4G
Contribution to a conference proceedings (2010)
Kählert, Stefan
Negra, Renato
Heinen, Stefan
LNA with Integrated Notch-Filter for FTDD Systems
Contribution to a conference proceedings (2010)
Bormann, Dirk
Heinen, Stefan
Negra, Renato
System-Level Simulation of Digital Centric Transmitters
Contribution to a conference proceedings (2010)
Guan, Junqing
Heinen, Stefan
Negra, Renato
A Variable Gain Multiband Shunt Feedback LNA for LTE
Contribution to a conference proceedings (2010)
Kählert, Stefan
Bormann, Dirk
Wunderlich, Ralf
Heinen, Stefan
An integrated voltage-mode PWM controlled buck converter with active compensation
Contribution to a conference proceedings (2010)
Liao, Lei
Werth, Tobias Daniel
Kählert, Stefan
Wunderlich, Ralf
Heinen, Stefan
A notch filter alignment circuit for wireless communication FDD systems
Contribution to a conference proceedings (2010)
Bormann, Dirk
Frischen, Andreas R.
Schrey, Moritz
Kählert, Stefan
Wunderlich, Ralf
Heinen, Stefan
A low power, high dynamic range LNA for filterless RF receiver front-ends in 90-nm CMOS
Contribution to a conference proceedings (2010)
Werth, Tobias Daniel
Bormann, Dirk
Kählert, Stefan
Liao, Lei
Wunderlich, Ralf
Heinen, Stefan
Hierarchical generation of pin accurate SystemC models based on RF circuit schematics
Contribution to a conference proceedings (2010)
Wang, Yifan
Chen, Zhimiao
Heinen, Stefan
An Active Feedback Interference Cancellation Technique for Blocker Filtering in RF Receiver Front-Ends
Journal Article (2010)
Wert, Tobias
Schmits, Christoph
Wunderlich, Ralf
Heinen, Stefan
Modelling and simulation of digital-centric RF transmitters at architectural level in SystemC/AMS
Journal Article, Contribution to a conference proceedings (2010)
Guan, Junqing
Thiel, Björn Thorsten
Zimmermann, Niklas
Mohr, Bastian
Heinen, Stefan
Negra, Renato
Mixed signal modeling approaches to verify I/Q mismatch compensation performance
Contribution to a conference proceedings (2010)
Wang, Yifan
Chen, Zhimiao
Heinen, Stefan
Digital Generation of RF Pulse-Width/Pulse-Position Modulated Signals
Contribution to a conference proceedings (2010)
Thiel, Björn Thorsten
Heinen, Stefan
Negra, Renato
RF-DAC Based Multimode, Multistandard Transmitter for Wireless Communications
Contribution to a book (2010)
Zimmermann, Niklas
Mohr, Bastian
Thiel, Björn Thorsten
Zhang, Ye
Negra, Renato
Heinen, Stefan
Phase/Gain Shifter for Maritime Radar Systems
Contribution to a book (2010)
Wunderlich, Ralf
Erkens, Holger
Heinen, Stefan
Switching-mode differential class-B amplifier for phased array radar
Contribution to a conference proceedings (2009)
Kalim, Danish
Erkens, Holger
Wunderlich, Ralf
Negra, Renato
Heinen, Stefan
Phase/Gain Shifter for Maritime Radar Systems
Contribution to a book (2009)
Wunderlich, Ralf
Erkens, Holger
Heinen, Stefan
A Low-Cost, High Resolution, 360° Phase/Gain Shifter in SiGe BiCMOS
Contribution to a conference proceedings (2009)
Erkens, Holger
Wunderlich, Ralf
Heinen, Stefan
A comparison of two RF vector-sum phase shifter concepts
Contribution to a conference proceedings (2009)
Erkens, Holger
Wunderlich, Ralf
Heinen, Stefan
A 1.3 V, 65nm CMOS, coilless combined feedback LNA with integrated single coil notch filter
Contribution to a conference proceedings (2009)
Bormann, Dirk
Werth, Tobias Daniel
Schmits, Christoph
Heinen, Stefan
A novel SiGe RFIC approach towards low-cost transmit/receive modules
Contribution to a conference proceedings (2009)
Erkens, Holger
Wunderlich, Ralf
Heinen, Stefan
A FM-radio transmitter concept based on an all-digital PLL
Contribution to a conference proceedings (2009)
Neyer, Andreas August
Thiel, Björn Thorsten
Heinen, Stefan
Performance limitation by finite gbw in continuous-time quadrature bandpass sigma-delta modulators
Contribution to a conference proceedings (2009)
Kim, Song-Bok
Robens, Markus
Wunderlich, Ralf
Heinen, Stefan
An all-digital PLL for satellite based navigation in 90 nm CMOS
Contribution to a conference proceedings (2009)
Neyer, Andreas August
Wunderlich, Ralf
Heinen, Stefan
A double balanced power amplifier for S-band phased arrays in SiGe BiCMOS
Contribution to a conference proceedings (2009)
Erkens, Holger
Wunderlich, Ralf
Heinen, Stefan
System architecture of an RF-DAC based multistandard transmitter
Contribution to a conference proceedings (2009)
Zimmermann, Niklas
Thiel, Björn Thorsten
Negra, Renato
Heinen, Stefan
On I/Q-mismatch in active interference cancellation schemes
Contribution to a conference proceedings (2009)
Werth, Tobias Daniel
Wunderlich, Ralf
Heinen, Stefan
Active feedback interference cancellation in RF receiver front-ends
Contribution to a conference proceedings (2009)
Werth, Tobias Daniel
Schmits, Christoph
Heinen, Stefan
UWB LNAs for ground penetrating radar
Contribution to a conference proceedings (2009)
Robens, Markus
Wunderlich, Ralf
Heinen, Stefan
Capacitive crosscoupling biquad polyphase filter
Contribution to a conference proceedings (2009)
Robens, Markus
Wunderlich, Ralf
Heinen, Stefan
Differential UWB LNA for m-sequence radar
Contribution to a conference proceedings (2009)
Robens, Markus
Bannwarth, Stephan
Wunderlich, Ralf
Heinen, Stefan
A consideration on design methods for continuous-time quadrature bandpass sigma-delta modulators
Contribution to a conference proceedings (2009)
Kim, Song-Bok
Wunderlich, Ralf
Heinen, Stefan
A low cost, high resolution transmit/receive module rfic for s-band phased arrays
Contribution to a conference proceedings (2009)
Erkens, Holger
Wunderlich, Ralf
Heinen, Stefan
A compact polar/cartesian hybrid phase shifter for s-band phased arrays
Conference Presentation (2009)
Erkens, Holger
Zhang, Ye
Wunderlich, Ralf
Heinen, Stefan
A digital PLL for satellite based navigation in 90nm CMOS
Conference Presentation (2009)
Neyer, Andreas August
Thiel, Björn Thorsten
Bormann, Dirk
Kählert, Stefan
Erkens, Holger
Wunderlich, Ralf
Heinen, Stefan
Multistandard digital-rf transmitter based on an rf-dac
Contribution to a conference proceedings (2009)
Zimmermann, Niklas
Thiel, Björn Thorsten
Negra, Renato
Heinen, Stefan
Active feedback interference cancellation for on-chip blocker filtering
Contribution to a conference proceedings (2009)
Werth, Tobias Daniel
Wunderlich, Ralf
Wunderlich, Ralf
Heinen, Stefan
Fully integrated 65nm lna with notch filter for saw-less fdd frontends
Contribution to a conference proceedings (2009)
Bormann, Dirk
Werth, Tobias Daniel
Kählert, Stefan
Neyer, Andreas August
Heinen, Stefan
A fully integrated q-enhanced notch filter lna for tx blocker suppression in fdd systems
Contribution to a conference proceedings (2009)
Bormann, Dirk
Werth, Tobias Daniel
Kählert, Stefan
Schmits, Christoph
Heinen, Stefan
A quadrature phase shifter with a flexible output summing network
Contribution to a conference proceedings, Abstract (2009)
Erkens, Holger
Wunderlich, Ralf
Heinen, Stefan
Formal Approaches to Analog Circuit Verification
Contribution to a conference proceedings (2009)
Barke, Erich
Grabowski, Darius
Graeb, Helmut
Hedrich, Lars
Heinen, Stefan
Popp, Ralf
Steinhorst, Sebastian
Wang, Yifan
Analysis of Clock Jitter in Continuous-Time Quadrature Bandpass Sigma-Delta Modulators with NRZ Pulses
Contribution to a conference proceedings (2009)
Kim, Song-Bok
Wang, Yifan
Heinen, Stefan
Event Driven Analog Modeling For The Verification Of Pll Frequency Synthesizers
Contribution to a conference proceedings (2009)
Wang, Yifan
Van-Meersbergen, Christoph
Groh, Hans-Werner
Heinen, Stefan
Event gesteuerte Modellierung analoger Frontends für die funktionale Verifikation des RF-SoCs
Contribution to a conference proceedings (2009)
Wang, Yifan
Groh, Hans-Werner
Wunderlich, Ralf
Heinen, Stefan
Design of an RF-DAC in 65 nm CMOS for Multistandard, Multimode Transmitters
Contribution to a conference proceedings (2009)
Zimmermann, Niklas
Negra, Renato
Heinen, Stefan
RF Integratiion : Cognitive Radio or Flexible High Dynamic Range Transceiver
Contribution to a conference proceedings (2009)
Heinen, Stefan
Fully integrated, highly precise, low-cost phase shifters for commercial maritime phased arrays
Contribution to a conference proceedings (2009)
Erkens, H.
Wunderlich, Ralf
Heinen, Stefan
Modeling approaches for functional verification of RF-SoCs : limits and future requirements
Journal Article (2009)
Wang, Yifan
Joeres, Stefan
Wunderlich, Ralf
Heinen, Stefan
A 2.7 mW, 90.3 dB DR continuous-time quadrature bandpass sigma-delta modulator for GSM/EDGE low-IF receiver in 0.25 $mu$m CMOS
Journal Article (2009)
Kim, Song-Bok
Joeres, Stefan
Wunderlich, Ralf
Heinen, Stefan
New Integrated UWB-Sensor Electronics for Array-based Super-Resolution Imaging Techniques
Journal Article (2009)
Sachs, J.
Borokhovych, Y.
Gustat, H.
Heinen, S.
Kmec, M.
Robens, M.
Scheytt, C.
Schilling, K.
Sewiolo, B.
Weigel, R.
Wunderlich, R.
RF Challenges for RF Integration
Contribution to a conference proceedings (2009)
Heinen, Stefan
RF Challenges for 3G, 4G and Beyond
Contribution to a conference proceedings (2009)
Heinen, Stefan
A 27.3 dBm DECT power amplifier for 2.5V supply in 0.13 µm CMOS
Contribution to a conference proceedings (2008)
Zimmermann, Niklas
Johansson, Ted
Heinen, Stefan
An over-voltage protection circuit for CMOS power amplifiers
Contribution to a conference proceedings (2008)
Zimmermann, Niklas
Wunderlich, Ralf
Heinen, Stefan
A multimode shared RF low-power receiver front-end architecture for satellite based navigation in 90 nm CMOS
Contribution to a conference proceedings (2008)
Kruth, Andre Konrad
Joeres, Stefan
Neyer, Andreas August
Robens, Markus
Erkens, Holger
Kim, Song-Bok
Bormann, Dirk
Werth, Tobias Daniel
Wunderlich, Ralf
Heinen, Stefan
A comparison of bandwidth setting concepts for Q-enhanced LC-tanks in deep-sub micron CMOS processes
Contribution to a conference proceedings (2008)
Bormann, Dirk
Werth, Tobias Daniel
Zimmermann, Niklas
Wunderlich, Ralf
Heinen, Stefan
Fully integrated, highly precise, low-cost phase shifters for commercial maritime phased arrays
Contribution to a conference proceedings (2008)
Erkens, Holger
Wunderlich, Ralf
Heinen, Stefan
A 1.2 V broadband low noise fully differential amplifier in a 65 nm CMOS technology
Contribution to a conference proceedings (2008)
Kählert, Stefan
Werth, Tobias Daniel
Wunderlich, Ralf
Heinen, Stefan
Issues on view switching for RF SoC verification
Contribution to a conference proceedings (2008)
Wang, Yifan
Joeres, Stefan
Wunderlich, Ralf
Heinen, Stefan
Event-gesteuerte Modellierungen analoger Frontends
Contribution to a conference proceedings (2008)
Joeres, Stefan
Groh, Hans-Werner
Heinen, Stefan
Complex mismatch shaper for tree-structured DAC in multi-bit complex sigma-delta modulators
Contribution to a conference proceedings (2008)
Kim, Song-Bok
Joeres, Stefan
Wunderlich, Ralf
Heinen, Stefan
Continuous-time quadrature bandpass sigma-delta modulator with capacitive feedforward summation for GSM/EDGE low-IF receiver
Contribution to a conference proceedings (2008)
Kim, Song-Bok
Joeres, Stefan
Wunderlich, Ralf
Heinen, Stefan
Third order continuous-time quadrature bandpass sigma-delta modulator for GSM/EDGE low-IF receiver
Contribution to a conference proceedings (2008)
Kim, Song-Bok
Joeres, Stefan
Wunderlich, Ralf
Heinen, Stefan
Sallen-Key polyphase filter design
Contribution to a conference proceedings (2008)
Markus, Robens
Wunderlich, Ralf
Heinen, Stefan
A 27.3 dBm DECT power amplifier for 2.5 v supply in 0.13 mu m CMOS
Contribution to a conference proceedings (2008)
Zirnmermann, Niklas
Johansson, Ted
Heinen, Stefan
A Polyphase Filter Design for Continuous-Time Quadrature Bandpass Sigma–Delta Modulators
Journal Article (2008)
Kim, Song-Bok
Robens, Markus
Joeres, Stefan
Wunderlich, Ralf
Heinen, Stefan
Effect of Mismatched Loop Delay in Continuous-Time Complex Sigma-Delta Modulators
Journal Article (2008)
Kim, Song-Bok
Werth, Tobias Daniel
Joeres, Stefan
Wunderlich, Ralf
Heinen, Stefan
Event gesteuerte Modellierung Analoger Frontends
Contribution to a conference proceedings (2008)
Joeres, Stefan
Wang, Yifan
Groh, Hans-Werner
Heinen, Stefan
Third Order Continous-Time Quadrature Bandpass Sigma-Delta Modulator for GSM/EDGE Low-IF Receiver
Contribution to a conference proceedings (2008)
Kim, Song-Bok
Joeres, Stefan
Wunderlich, Ralf
Heinen, Stefan
Novel optimization criteria for loop filter design of type IIPLLs
Contribution to a conference proceedings (2007)
Erkens, Holger
Sappok, Sören
Neyer, Andreas August
Heinen, Stefan
Simulation of quadrature-bandpass sigma-delta analog to digital converters using state space descriptions
Contribution to a conference proceedings (2007)
Joeres, Stefan
Kim, Song-Bok
Heinen, Stefan
Continuous-time quadrature bandpass sigma-delta modulator for GPS/Galileo low-if receiver
Contribution to a conference proceedings (2007)
Kim, Song-Bok
Joeres, Stefan
Zimmermann, Niklas
Robens, Markus
Heinen, Stefan
Power amplifiers in 0.13 mu m CMOS for DECT: A comparison between two different architectures
Contribution to a conference proceedings (2007)
Zimmermann, Niklas
Johansson, Ted
Heinen, Stefan
A compensation method of the excess loop delay in continuous-time complex sigma-delta modulators
Contribution to a conference proceedings (2007)
Kim, Song-Bok
Joeres, Stefan
Heinen, Stefan
Event driven analog modeling of RF frontends
Contribution to a conference proceedings (2007)
Joeres, Stefan
Groh, Hans-Werner
Heinen, Stefan
Functional verification of radio frequency SoCs using mixed-mode and mixed-domain simulations
Contribution to a conference proceedings (2006)
Joeres, Stefan
Heinen, Stefan
Calibration technique for Sigma Delta modulation loops using radio-frequency phase detection
Contribution to a conference proceedings (2006)
Sappok, Sören
Neyer, Andreas August
Heinen, Stefan
A multimode receiver front-end for software defined radio
Contribution to a conference proceedings (2006)
Kruth, Andre Konrad
Simon, Martin
Dufrene, Krzysztof
Weigel, Robert
Boos, Zdravko
Heinen, Stefan
SoC pre tape out verification approaches using AMS and SystemVerilog
Contribution to a conference proceedings (2006)
Joeres, Stefan
Neyer, Andreas August
Heinen, Stefan
A new Mixed-Signal Mixed-Domain Verification Approach for RF-SoC Applications
Contribution to a conference proceedings (2006)
Joeres, Stefan
Heinen, Stefan
Calibration Technique for σΔ Modulation Loops using Radio-Frequency Phase Detection
Contribution to a conference proceedings (2006)
Sappok, Sören
Neyer, Andreas August
Heinen, Stefan
A sub 1V RF-Frontend for combined GPS/Galileo Receiver
Contribution to a conference proceedings (2006)
Schademann, Nils
Kruth, Andre Konrad
Joeres, Stefan
Heinen, Stefan
HDL based simulation of digital RF frequency synthesizers
Contribution to a conference proceedings (2005)
Neyer, Andreas August
Sappok, Sören
Heinen, Stefan
Automated calibration technique for predistortion modulation loops using asynchronous phase detection
Contribution to a conference proceedings (2005)
Sappok, Sören
Neyer, Andreas August
Kruth, Andre Konrad
Wunderlich, Ralf
Joeres, S.
Heinen, Stefan
Mixed-mode and mixed-domain modelling and verification of radio frequency subsystems for SoC-applications
Contribution to a conference proceedings (2005)
Joeres, Stefan
Heinen, Stefan
Step Response Detection Technique for Self-Calibrating Predistortion GFSK ΣΔ Modulation Loops
Contribution to a conference proceedings (2005)
Sappok, Sören
Joeres, Stefan
Heinen, Stefan
A quadricorrelator demodulator for a bluetooth low-IF receiver
Contribution to a conference proceedings (2004)
Ordu, Gürkan
Kruth, Andre Konrad
Sappok, Sören
Wunderlich, Ralf
Heinen, Stefan
Spectral shaping by generalized transfer function design in frequency modulation ΣΔ synthesizers
Contribution to a conference proceedings (2004)
Sappok, Sören
Kruth, Andre Konrad
Ordu, Gürkan
Wunderlich, Ralf
Heinen, Stefan
Design of a Ring-Oscillator with a Wide Tuning Range in 0.13 $mu$m CMOS for the use in Global Satellite Navigation Systems
Contribution to a conference proceedings (2004)
Joeres, Stefan
Kruth, Andre Konrad
Meike, Oliver
Ordu, Gürkan
Sappok, Sören
Wunderlich, Ralf
Heinen, Stefan
Design of Reconfigurable, Differentially Driven Symmetric Inductor
Contribution to a conference proceedings (2004)
Meike, Oliver
Wunderlich, Ralf
Sappok, Sören
Heinen, Stefan
Realisierung eines Sigma-Delta-Einpunkt-Modulators durch sprektrale Formung der Schleifenübertragungsfunktion
Conference Presentation (2004)
Sappok, Sören
Kruth, Andre Konrad
Ordu, Gürkan
Joeres, Stefan
Wunderlich, Ralf
Heinen, Stefan
Modellierung eines Bluetooth Empfängers in VHDL-AMS
Conference Presentation (2004)
Chabaud, Antoine
Ordu, Gürkan
Sappok, Sören
Kruth, Andre Konrad
Wunderlich, Ralf
Heinen, Stefan
Ringoszillatoren in 0.13 $mu$m Technologie für die Verwendung in globalen Satellitennavigationssystemen
Conference Presentation (2004)
Joeres, Stefan
Sappok, Sören
Wunderlich, Ralf
Heinen, Stefan
A novel approach for IF selection of Bluetooth low-IF receiver based on system simulations
Contribution to a conference proceedings (2003)
Ordu, Gürkan
Sappok, Sören
Wunderlich, Ralf
Heinen, Stefan
Design and implementation of a continuous-time quadrature bandpass sigma-delta modulator for low-IF radio receivers
Contribution to a conference proceedings (2002)
Henkel, Frank
Langmann, Ulrich
Hanke, André
Heinen, Stefan
Wagner, Elmar
A 1-MHz-bandwidth second-order continuous-time quadrature bandpass sigma-delta modulator for low-IF radio receivers
Journal Article, Contribution to a conference proceedings (2002)
Henkel, Frank
Langmann, Ulrich
Hanke, André
Heinen, Stefan
Wagner, Elmar
Comparison of an inductorless low-IF and zero-IF receiver for bluetooth
Contribution to a conference proceedings (2002)
Dürdodt, Christian
Hanke, André
Heinen, Stefan
Langmann, Ulrich
A 1MHz-bandwidth second-order continuous-time quadrature bandpass sigma-delta modulator for low-IF radio receivers
Contribution to a conference proceedings (2002)
Henkel, Frank
Langmann, Ulrich
Hanke, André
Heinen, Stefan
Wagner, Elmar
A 1 MHz-bandwidth second-order continuous-time quadrature bandpass sigma-delta modulator for low-IF radio receivers
Contribution to a conference proceedings (2002)
Henkel, Frank
Langmann, Ulrich
Hanke, André
Heinen, Stefan
Wagner, Elmar
The first near zero-IF RX 2-point modulation TX CMOS SOC Bluetooth solution
Contribution to a conference proceedings (2001)
Duerdodt, C.
Friedrich, H.
Grewing, C.
Hammes, M.
Hanke, A.
Heinen, Stefan
Oehm, J.
Pham-Stabner, D.
Seippel, D.
Theil, D.
van Waasen, Stefan
A fully integrated CMOS frequency synthesizer for Bluetooth
Contribution to a conference proceedings (2001)
Thiel, D.
Durdodt, C.
Hanke, A.
Heinen, Stefan
van Waasen, Stefan
Seippel, D.
Pham-Stabner, D.
Schumacher, K.
The first very low-IF RX, 2-point modulation TX CMOS system on chip Bluetooth solution
Contribution to a conference proceedings (2001)
Duerdodt, C.
Friedrich, M.
Grewing, C.
Hammes, M.
Hanke, A.
Heinen, Stefan
Oehm, J.
Pham-Stabner, D.
Seippel, D.
Theil, D.
van Waasen, Stefan
Wagner, E.
A low-IF RX two-point ΣΔ-modulation TX CMOS single-chip Bluetooth solution
Journal Article (2001)
Dürdodt, Christian
Friedrich, Martin
Grewing, Christian
Hammes, Markus
Hanke, André
Heinen, Stefan
Oehm, Jürgen
Pham-Stabner, Duyen
Seippel, Dietolf
Theil, Detlev
van Waasen, Stefan
Wagner, Elmer
An RF transceiver for digital wireless communication in a 25 GHz Si bipolar technology
Contribution to a conference proceedings (2000)
Li Puma, Giuseppe
Hadjizada, Karim
van Waasen, Stefan
Grewing, Christian
Schrader, Petra
Geppert, Werner
Hanke, Andre
Seth, Michael
Heinen, Stefan
Integrated transceivers for digital cordless applications
Contribution to a conference proceedings (2000)
Heinen, Stefan
An RF transceiver for WDCT in a 25 GHz Si bipolar technology
Contribution to a conference proceedings (2000)
Li Puma, G.
Geppert, W.
Hadjizada, K.
Van Waasen, Stefan
Mevissen, W.
Von Schwartzenberg, W.
Heinen, Stefan
An RF transceiver for WDCT in a 25 GHz Si bipolar technology
Contribution to a conference proceedings (2000)
Li Puma, G.
Geppert, W.
Hadjizada, K.
Van Waasen, Stefan
Mevissen, W.
Von Schwartzenberg, W.
Heinen, Stefan
A fully-integrated BiCMOS voltage-controlled oscillator for DECT application
Contribution to a conference proceedings (1999)
Li Puma, G.
Kromat, O.
Heinen, Stefan
Matter, U.
Geppert, W.
Theil, D.
Schrader, P.
Zannoth, M.
A 2.7 V image reject receiver for DECT
Contribution to a conference proceedings (1998)
Hanke, André
Hadjizada, Karim
Heinen, Stefan
Li Puma, Giuseppe
Geppert, Werner
A DECT RF transmitter with integrated VCOs suitable for open loop GFSK modulation
Contribution to a conference proceedings (1998)
Kromat, O.
Heinen, Stefan
Matter, U.
Puma, G. L.
Zannoth, M.
A 2.7 V 2.5 GHz bipolar chipset for digital wireless communication
Contribution to a conference proceedings (1997)
Heinen, Stefan
Hadjizada, Karim
Matter, Udo
Geppert, Werner
Thomas, Volker
Weber, Stephan
Beyer, Stefan
Fenk, Josef
Matschke, Ernst
An integrated bipolar transmitter for DECT
Contribution to a conference proceedings (1997)
Heinen, Stefan
Hadjizada, K.
Matter, U.
Geppert, W.
Thomas, V.
Weber, S.
Beyer, S.
Fenk, J.
A 3.0 V 2 GHz transmitter IC for digital radio communication with integrated VCOs
Contribution to a conference proceedings (1995)
Heinen, Stefan
Beyer, S.
Fenk, J.
A 2.7 V 800 MHz-2.1 GHz transceiver chipset for mobile radio applications in 25 GHz ft Si-bipolar
Contribution to a conference proceedings (1994)
Veit, W.
Fenk, J.
Ganser, S.
Hadjizada, K.
Heinen, Stefan
Herrmann, H.
Sehrig, P.
A unified framework for computer-aided noise analysis of linear and nonlinear microwave circuits
Journal Article (1991)
Heinen, Stefan
Kunisch, Jürgen
Wolff, Ingo