Ralf Wunderlich

123 papers A* 2A 2C 21Misc 1Journal 22Unranked 75

Year	Rank	Type	Title / Venue / Authors
2025	—	`conf`	A 2.5 GS/s 8-bit Burst-Mode Noise-Shaping SAR ADC for Monitoring Switching Transitions in Digital Gate Driving Applications in 180nm HV-SOI CMOS. PRIME Tom Herzog, Kenny Vohl, Erik Wehr, Ralf Wunderlich, Stefan Heinen
2025	—	`conf`	A 208 MS/s 32-Channel Burst-Sampling ADC in 0.18um BiCMOS. ICECS Kenny Vohl, Tobias Zekorn, Erik Wehr, Ralf Wunderlich, Stefan Heinen
2025	—	`conf`	A Sense-FET-Based Charge Sensor With Auto-Zero Offset Cancellation and 3.1 ns Response Time for Charge Control of SIMO DC-DC Converters. ICECS Erik Wehr, Kenny Vohl, Tom Herzog, Ralf Wunderlich, Stefan Heinen
2025	J	`jnl`	Discretization of continuous-time arbitrage strategies in financial markets with fractional Brownian motion. Math. Methods Oper. Res. Kerstin Lamert, Benjamin R. Auer, Ralf Wunderlich
2025	—	`conf`	Self-Calibration and Normalization of a 2D-Vernier TDC inside a Fractional-N ADPLL. PRIME Tim Lauber, Johannes Kuhn, Ralf Wunderlich, Stefan Heinen
2024	C	`conf`	A 28 nm 8.2-11.1 GHz Class-C Digitally Controlled Oscillator with 40 kHz Tuning Resolution. ISCAS Lantao Wang, Johannes Bastl, Tim Lauber, Kenny Vohl, Jonas Meier, Andreas Köllmann, Ulrich Möhlmann, Michael Hanhart, Ralf Wunderlich, Stefan Heinen
2024	—	`conf`	A Current-Mirroring Voltage Buffer for Analog Read-Out in Memristor Crossbar Arrays. PRIME Jonas Zoche, Ricardo Heinen, Jan Grobe, Ralf Wunderlich, Stefan Heinen
2024	C	`conf`	A High-Voltage Single-Inductor Multiple-Output DC-DC Buck Converter for the Power Management Unit of a Gate-Shaping Digital Gate Driver. ISCAS Tobias Zekorn, Florian Schimkat, Kenny Vohl, Erik Wehr, Ralf Wunderlich, Stefan Heinen
2024	J	`jnl`	A TDC With Integrated Snapshot Circuit and Calibration in 28-nm CMOS. IEEE Trans. Circuits Syst. II Express Briefs Tim Lauber, Lantao Wang, Johannes Bastl, Kenny Vohl, Ralf Wunderlich, Stefan Heinen
2024	C	`conf`	A Trimming-Less External-RC Relaxation Oscillator With Self-Calibrating Current Reference for a SiC Active Gate Driver Application. ISCAS Erik Wehr, Tobias Zekorn, Michael Hanhart, Kenny Vohl, Léon Weihs, Ralf Wunderlich, Stefan Heinen
2024	—	`conf`	An Accurate High-Voltage Supply-Referred Low-Impedance On-Chip Reference Voltage for Optimized Driving of High-Side PMOS Transitors. PRIME Tobias Zekorn, Florian Schimkat, Erik Wehr, Kenny Vohl, Léon Weihs, Ralf Wunderlich, Stefan Heinen
2024	—	`conf`	An Auto-Zero Comparator for Monolithic GaN Power Integration. PRIME Jan Grobe, Jonas Zoche, Ralf Wunderlich, Stefan Heinen
2024	J	`jnl`	Correction: Power utility maximization with expert opinions at fixed arrival times in a market with hidden gaussian drift. Ann. Oper. Res. Abdelali Gabih, Hakam Kondakji, Ralf Wunderlich
2024	J	`jnl`	Monolithic Integration of a 400V GaN Half-Bridge Converter With Output Voltage Regulation. IEEE Trans. Circuits Syst. II Express Briefs Jan Grobe, Léon Weihs, Michael Hanhart, Ralf Wunderlich, Stefan Heinen
2024	J	`jnl`	Power utility maximization with expert opinions at fixed arrival times in a market with hidden Gaussian drift. Ann. Oper. Res. Abdelali Gabih, Hakam Kondakji, Ralf Wunderlich
2023	—	`conf`	A Fast-Response Reference Current Source for High- and Low-Side High-Voltage Current Mirrors for Gate-Shaping Digital Gate Drivers. PRIME Tobias Zekorn, Erik Wehr, Kenny Vohl, Ralf Wunderlich, Stefan Heinen
2023	—	`conf`	A Fast-Response Resonant GaN Converter with Post-Regulation for Distributed DC-Grid Feed-In. PRIME Jan Grobe, Léon Weihs, Jonas Zoche, Ralf Wunderlich, Stefan Heinen
2023	—	`conf`	A Fully Integrated Adaptive Dead-Time Controlling Gate Driver Enabling ZVS in HV Converters. ESSCIRC Léon Weihs, Erik Wehr, Kenny Vohl, Tobias Zekorn, Ralf Wunderlich, Stefan Heinen
2023	C	`conf`	An Adaptive Dead-Time Control Method for Gate Drivers Using Gate Current Measurement Enabling ZVS in High Frequency HV DC-DC Converters. ISCAS Léon Weihs, Jan Grobe, Linus Rimpl, Tobias Zekorn, Ralf Wunderlich, Stefan Heinen
2023	—	`conf`	An External-Capacitorless High-PSR Linear Voltage Regulator With Source-Follower-Based Pre-Filter. PRIME Erik Wehr, Tobias Zekorn, Kenny Vohl, Ralf Wunderlich, Stefan Heinen
2023	—	`conf`	Sub-modular MPPT for Decentralised Grid Feed-in Under Fast Changing Irradiation Applications. PRIME Léon Weihs, Jonas Zoche, Jan Grobe, Ralf Wunderlich, Stefan Heinen
2022	—	`conf`	A -102 dB PSRR 1.2V Bandgap Voltage Reference for use in a Standalone MPPT Boost Converter for Solar Submodules. ICECS 2022 Léon Weihs, Michael Hanhart, Jan Grobe, Jonas Zoche, Ralf Wunderlich, Stefan Heinen
2022	C	`conf`	A 0.73-to-1.71 V Capacitor-less Low-Noise Low-Dropout Regulator in 28-nm CMOS. ISCAS Lantao Wang, Running Guo, Johannes Bastl, Jonas Meier, Michael Hanhart, Tim Lauber, Alexander Meyer, Ralf Wunderlich, Stefan Heinen
2022	—	`conf`	A 1.2 V to 3 V Low Power Resistor-Less All-MOSFET Voltage Reference Generator. ICECS 2022 Durgham Al-Shebanee, Ralf Wunderlich, Stefan Heinen
2022	—	`conf`	A Configurable Active Bandpass Filter with DC Offset Suppression for Direct Down-Conversion Wake-Up Receivers in 28 nm. PRIME Christopher Nardi, Ralf Wunderlich, Stefan Heinen
2022	—	`conf`	A Design Flow and EDA-Tool for an Automated Implementation of ASIC Configuration Interfaces. SMACD Johannes Bastl, Zhihong Lei, Jonas Meier, Ralf Wunderlich, Stefan Heinen
2022	—	`conf`	A Half-Bridge Gate-Driver for high-efficient Boost Converter Applications with single-sided ZVS and an adaptive Ringing Suppression Technique. ESSCIRC Michael Hanhart, Jonas Zoche, Jan Grobe, Léon Weihs, Leo Rolff, Ralf Wunderlich, Stefan Heinen
2022	J	`jnl`	On the Input-Output Behavior of a Geothermal Energy Storage: Approximations by Model Order Reduction. CoRR Paul Honore Takam, Ralf Wunderlich
2021	—	`conf`	A Comparative Study of Switchable Capacitor Structures for LC Oscillators in a 28-nm Technology. ICECS Lantao Wang, Jonas Meier, Ralf Wunderlich, Stefan Heinen
2021	A	`conf`	An Event-Driven System-Level Noise Analysis Methodology for RF Systems. DATE Christoph Beyerstedt, Jonas Meier, Fabian Speicher, Ralf Wunderlich, Stefan Heinen
2021	—	`conf`	An integrated Boost Controller with MPPT for Submodule PV Applications. ESSCIRC Michael Hanhart, Leo Rolff, Léon Weihs, Jan Grobe, Jonas Zoche, Ralf Wunderlich, Stefan Heinen
2021	J	`jnl`	Diffusion approximations for randomly arriving expert opinions in a financial market with Gaussian drift. J. Appl. Probab. Jörn Sass, Dorothee Westphal, Ralf Wunderlich
2021	J	`jnl`	Short-Term Behavior of a Geothermal Energy Storage: Modeling and Theoretical Results. CoRR Paul Honore Takam, Ralf Wunderlich, Olivier Menoukeu Pamen
2021	J	`jnl`	Short-Term Behavior of a Geothermal Energy Storage: Numerical Applications. CoRR Paul Honore Takam, Ralf Wunderlich, Olivier Menoukeu Pamen
2020	—	`conf`	A Fast and Accurate True Event-driven Phase Locked Loop Model. ICECS Christoph Beyerstedt, Jonas Meier, Fabian Speicher, Markus Scholl, Daniel Blase, Ralf Wunderlich, Stefan Heinen
2020	—	`conf`	A Low-noise Low-Dropout Regulator Using a 28-nm Technology. ICECS Lantao Wang, Marc Fassbender, Markus Scholl, Jonas Meier, Ralf Wunderlich, Stefan Heinen
2020	—	`conf`	Adaptive Power Management Unit for a Wireless Transceiver with an Integrated Wake-Up Receiver. ICECS Johannes Bastl, Markus Scholl, Ralf Wunderlich, Stefan Heinen
2020	—	`conf`	Analysis of Opamp Non-Idealities in Quadrature Bandpass Sigma-Delta Modulators. ICECS Alexander Meyer, Ralf Wunderlich, Stefan Heinen
2020	—	`conf`	Design of a Flexible Bandgap Based High Voltage UVLO with Pre-Regulator. ICECS Jan Grobe, Michael Hanhart, Fabian Maul, Léon Weihs, Leo Rolff, Ralf Wunderlich, Stefan Heinen
2020	—	`conf`	Simulating Phase Noise in Multi-Gigahertz High Precision All-Digital Phase-Locked Loops. ICECS Jonas Meier, Fabian Maul, Markus Scholl, Christoph Beyerstedt, Ralf Wunderlich, Stefan Heinen
2020	—	`conf`	Triple Band Wireless Transceiver demonstrating Reliable and Low Latency Communication. ICECS Markus Scholl, Christoph Beyerstedt, Ralf Wunderlich, Stefan Heinen
2019	—	`conf`	A 32 MHz Crystal Oscillator with Fast Start-Up Using Dithered Injection and Negative Resistance Boost. ESSCIRC Markus Scholl, Ralf Wunderlich, Stefan Heinen, Tobias Saalfeld, Christoph Beyerstedt, Fabian Speicher, Jonas Meier, Michael Hanhart, Leo Rolff, Vahid Bonehi, Moritz Schrey
2019	—	`conf`	An Accurate High-Voltage Supply-Referred Low-Impedance Reference-Voltage for Efficiency Enhancement of the High-Side Switching Process. ICECS Tobias Zekorn, Sebastian Strache, Ralf Wunderlich, Stefan Heinen
2019	—	`conf`	Baseband Equivalent Modelling Approach for Analog Linear Transfer Functions in Event-driven Simulations. SMACD Christoph Beyerstedt, Fabian Speicher, Jonas Meier, Ralf Wunderlich, Stefan Heinen
2019	—	`conf`	Modeling Power Supply Noise Effects for System-Level Simulation of $\Delta\Sigma$ -ADCs. SMACD Jonas Meier, Fabian Speicher, Christoph Beyerstedt, Tobias Saalfeld, Gregor Boronowsky, Ralf Wunderlich, Stefan Heinen
2019	—	`conf`	Self-Calibrating Digital-to-Time Converter in CMOS for Advanced Control in Smart Gate Drivers. NEWCAS Eva Schulte Bocholt, Leo Rolff, Ralf Wunderlich, Stefan Heinen
2019	—	`conf`	Startup Behaviour of Power Managment Unit for an Integrated Gate Driver. PRIME Leo Rolff, Eva Schulte Bocholt, Ralf Wunderlich, Stefan Heinen
2018	—	`conf`	A 16.5 W Single-Inductor 4-Channel Multi-Color Output DC-DC Buck LED Driver with Digital Control and 96 % Efficiency. ESSCIRC Michael Hanhart, Soheil Aghaie, Stefan Dietrich, Tobias Zekorn, Ralf Wunderlich, Stefan Heinen
2018	—	`conf`	A Tracking Quantizer for Continuous Time Quadrature Bandpass Sigma-Delta Modulators. ICECS Tobias Saalfeld, Markus Scholl, Christoph Beyerstedt, Ralf Wunderlich, Stefan Heinen
2018	—	`conf`	A multistandard, triple band wireless transceiver in a 130 nm CMOS technology with integrated PAs for IoT applications. RWS Markus Scholl, Tobias Saalfeld, Jan Henning Mueller, Ye Zhang, Vahid Bonehi, Christoph Beyerstedt, Fabian Speicher, Moritz Schrey, Ralf Wunderlich, Stefan Heinen
2018	A	`conf`	AMS verification methodology regarding supply modulation in RF SoCs induced by digital standard cells. DATE Fabian Speicher, Jonas Meier, Soheil Aghaie, Ralf Wunderlich, Stefan Heinen
2018	—	`conf`	Advanced Modeling Methodology for Expedient RF SoC Verification and Performance Estimation. SMACD Fabian Speicher, Jonas Meier, Christoph Beyerstedt, Ralf Wunderlich, Stefan Heinen
2018	—	`conf`	An Integrated Low Drop Out Regulator with Independent Self Biasing Start Up Circuit. ICECS Leo Rolff, Eva Schulte Bocholt, Ralf Wunderlich, Stefan Heinen
2018	—	`conf`	Analysis and Design of a Passive Sliding IF Mixer With a Novel Built-in Gainstep Mechanism for an Integrated 2.4 GHz RF-Receiver. ICECS Christoph Beyerstedt, Vahid Bonehi, Tobias Saalfeld, Markus Scholl, Ralf Wunderlich, Stefan Heinen
2018	—	`conf`	Analysis of Gain and Bandwidth Limitations of Operational Amplifiers in Sigma-Delta Modulators. PRIME Tobias Saalfeld, Alexander Meyer, Eva Schulte Bocholt, Ralf Wunderlich, Stefan Heinen
2018	—	`conf`	Methodology for improved event-driven system-level simulation of an RF transceiver subsystem for wireless SoCs. DTIS Fabian Speicher, Christoph Beyerstedt, Markus Scholl, Tobias Saalfeld, Vahid Bonehi, Moritz Schrey, Ralf Wunderlich, Stefan Heinen
2017	C	`conf`	A 276 nW, area-eficient CMOS subbandgap reference circuit. ISCAS Vahid Bonehi, Soheil Aghaie, Kai Hussmann, Ralf Wunderlich, Stefan Heinen
2017	—	`conf`	A digital pulse width modulation closed loop control LDMOS gate driver for LED drivers implemented in a 0.18 μm HV CMOS technology. CICC Sebastian Strache, Leo Rolff, Stefan Dietrich, Michael Hanhart, Tobias Zekorn, Ralf Wunderlich, Stefan Heinen
2017	Misc	`conf`	WPAN node with Wake-Up Receiver using CSMA/CA and a channel occupation scheme. ICNC Josua Arndt, Nils Herjurgen, Vahid Bonehi, Ralf Wunderlich, Stefan Heinen
2016	—	`conf`	A 80 nW, 32 kHz charge-pump based ultra low power oscillator with temperature compensation. ESSCIRC Markus Scholl, Ye Zhang, Ralf Wunderlich, Stefan Heinen
2016	—	`conf`	A high efficiency straightforward design and verification methodology for PLL systems. MWSCAS Markus Scholl, Ye Zhang, Ralf Wunderlich, Stefan Heinen
2016	J	`jnl`	Evaluation of Digital Compressed Sensing for Real-Time Wireless ECG System with Bluetooth low Energy. J. Medical Syst. Yishan Wang, Sammy Doleschel, Ralf Wunderlich, Stefan Heinen
2016	—	`conf`	Examination of Power Consumption Reduction and Sampling Behavior of Envelope Detection Based Wake-up-Receiver with Duty Cycling Scheme. WISATS Josua Arndt, Lukas Krystofiak, Vahid Bonehi, Ralf Wunderlich, Stefan Heinen
2016	J	`jnl`	High energy efficient analog compressed sensing encoder for wireless ECG system. Microelectron. J. Yishan Wang, Sammy Doleschel, Ralf Wunderlich, Stefan Heinen
2016	—	`conf`	Towards bidirectional power line communication with Digital Load-Side Transmission. ISPLC Lukas Lohaus, Colin de Vrieze, Arne Rossius, Ralf Wunderlich, Stefan Heinen
2015	—	`conf`	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. ISSCC Stefan Dietrich, Sebastian Strache, Bastian Mohr, Jan Henning Mueller, Leo Rolff, Ralf Wunderlich, Stefan Heinen
2015	J	`jnl`	A Wearable Wireless ECG Monitoring System With Dynamic Transmission Power Control for Long-Term Homecare. J. Medical Syst. Yishan Wang, Sammy Doleschel, Ralf Wunderlich, Stefan Heinen
2015	—	`conf`	A mixed-domain modeling method for RF systems. CICC Zhimiao Chen, Zhixing Liu, Lei Liao, Ralf Wunderlich, Stefan Heinen
2014	—	`conf`	A 1.2V, 2.7mA receiver front-end for bluetooth low energy applications. RWS Lei Liao, Aytac Atac, Ye Zhang, Yifan Wang, Zhimiao Chen, Martin Schleyer, Ralf Wunderlich, Stefan Heinen
2014	A*	`conf`	A SystemC Virtual Prototyping based Methodology for Multi-Standard SoC Functional Verification. DAC Zhimiao Chen, Yifan Wang, Lei Liao, Ye Zhang, Aytac Atac, Jan Henning Müller, Ralf Wunderlich, Stefan Heinen
2014	—	`conf`	A low power DLL based clock multiplier for multistandard wireless smart grid communication. CSNDSP Aytac Atac, Ralf Wunderlich, Stefan Heinen
2014	C	`conf`	A low power high-side current sense SAR ADC for automotive applications. IECON Stefan Dietrich, Sebastian Strache, Jan Henning Mueller, Lukas Lohaus, Ralf Wunderlich, Stefan Heinen
2014	J	`jnl`	A low-complexity low-spurs digital architecture for wideband PLL applications. Microelectron. J. Ye Zhang, Ralf Wunderlich, Stefan Heinen
2014	C	`conf`	A submodular boost converter ASIC for output energy improvements in photovoltaic applications. IECON Sebastian Strache, Jan Henning Mueller, Ralf Wunderlich, Stefan Heinen
2014	A*	`conf`	An HDL-Based System Design Methodology for Multistandard RF SoC's. DAC Aytac Atac, Zhimiao Chen, Lei Liao, Yifan Wang, Martin Schleyer, Ye Zhang, Ralf Wunderlich, Stefan Heinen
2014	—	`conf`	Design of a low power multistandard transceiver chain based on current-reuse VCO. SoCC Ye Zhang, Jan Henning Mueller, Muh-Dey Wei, Ralf Wunderlich, Stefan Heinen
2014	—	`conf`	Integrated AC/DC converter with no-load over-voltage protection and safe start-up. CSNDSP Peyman Goravanchi, Ralf Wunderlich, Stefan Heinen
2013	C	`conf`	A 1.7mW quadrature bandpass ΔΣ ADC with 1MHz BW and 60dB DR at 1MHz IF. ISCAS Aytac Atac, Lei Liao, Yifan Wang, Martin Schleyer, Ye Zhang, Ralf Wunderlich, Stefan Heinen
2013	—	`conf`	A 1mV voltage ripple 0.97mm ESSCIRC Stefan Dietrich, Lei Liao, Frank Vanselow, Ralf Wunderlich, Stefan Heinen
2013	J	`jnl`	A Novel Low-Effort Demodulator for Low Power Short Range Wireless Transceivers. IEEE Trans. Circuits Syst. I Regul. Pap. Ye Zhang, Yifan Wang, Ralf Wunderlich, Stefan Heinen
2013	C	`conf`	A capacitor-free single-inductor multiple-output LED driver. IECON Stefan Dietrich, Sebastian Strache, Lukas Lohaus, Ralf Wunderlich, Stefan Heinen
2013	C	`conf`	A low noise wearable wireless ECG system with body motion cancellation for long term homecare. Healthcom Yishan Wang, Ralf Wunderlich, Stefan Heinen
2013	C	`conf`	Advanced color control for multicolor LED illumination systems with parametric optimization. IECON Lukas Lohaus, Emanuel Leicht, Stefan Dietrich, Ralf Wunderlich, Stefan Heinen
2013	C	`conf`	Advanced digital current prediction for current ripple reduction in DC-DC converters for photovoltaic applications. IECON Sebastian Strache, Jan Henning Mueller, Ralf Wunderlich, Stefan Heinen
2013	—	`conf`	Comparison of modeling approaches through hierarchical behavioral modeling of a GNSS receiver front-end. CICC Zhimiao Chen, Yifan Wang, Joern Driesen, Fabio Garzia, Stefan Koehler, Frank Henkel, Ralf Wunderlich, Stefan Heinen
2013	C	`conf`	Concept study for fully integrated and photovoltaic inverter. IECON Katharina Baumann, Sebastian Strache, Ralf Wunderlich, Stefan Heinen
2013	—	`conf`	Design and evaluation of a novel wireless reconstructed 3-lead ECG monitoring system. BioCAS Yishan Wang, Ralf Wunderlich, Stefan Heinen
2013	C	`conf`	Low complexity image rejection demodulator for bluetooth LE applications. ISCAS Ye Zhang, Ralf Wunderlich, Stefan Heinen
2013	C	`conf`	Low-effort high-performance viterbi-based receiver for Bluetooth LE applications. ISCAS Ye Zhang, Zhimiao Chen, Ralf Wunderlich, Stefan Heinen
2013	—	`conf`	On-chip AC/DC converter with no-load over-voltage protection and output ripple reduction. CAMAD Peyman Goravanchi, Ralf Wunderlich, Stefan Heinen
2012	—	`conf`	A low power variable GBW opamp from 60MHz to 2GHz for multi-standard receivers. ICECS Aytac Atac, Christian Harder, Ralf Wunderlich, Stefan Heinen
2012	—	`conf`	An integrated acceleration sensor for traffic condition detection. ICNSC Javier Rivas, Ralf Wunderlich, Stefan Heinen
2012	C	`conf`	An ultra low power frequency synthesizer based on multiphase fractional frequency divider. ISCAS Ye Zhang, Ralf Wunderlich, Stefan Heinen
2012	C	`conf`	Maximum power point tracker for small number of solar cells connected in series. IECON Sebastian Strache, Jan Henning Mueller, Dominik Platz, Ralf Wunderlich, Stefan Heinen
2012	—	`conf`	System modelling of an integrated hysteretic controlled DC-DC converter. NEWCAS Stefan Dietrich, Harald Sandner, Frank Vanselow, Ralf Wunderlich, Stefan Heinen
2012	C	`conf`	System simulation for M-sequence radar sensors. IPIN Markus Robens, Ralf Wunderlich, Stefan Heinen, Jürgen Sachs
2011	—	`conf`	A wide-frequency-range fractional-N synthesizer for clock generation in 65nm CMOS. ICECS Ye Zhang, Niklas Zimmermann, Ralf Wunderlich, Stefan Heinen
2010	—	`conf`	A Variable Gain Multiband Shunt Feedback LNA for LTE. ICECS Stefan Kaehlert, Dirk Bormann, Ralf Wunderlich, Stefan Heinen
2010	J	`jnl`	An Active Feedback Interference Cancellation Technique for Blocker Filtering in RF Receiver Front-Ends. IEEE J. Solid State Circuits Tobias D. Werth, Christoph Schmits, Ralf Wunderlich, Stefan Heinen
2010	—	`conf`	An integrated voltage-mode PWM controlled buck converter with active compensation. ICECS Lei Liao, Tobias D. Werth, Stefan Kaehlert, Ralf Wunderlich, Stefan Heinen
2010	J	`jnl`	Optimal portfolio policies under bounded expected loss and partial information. Math. Methods Oper. Res. Jörn Sass, Ralf Wunderlich
2009	J	`jnl`	A 2.7 mW, 90.3 dB DR Continuous-Time Quadrature Bandpass Sigma-Delta Modulator for GSM/EDGE Low-IF Receiver in 0.25 µm CMOS. IEEE J. Solid State Circuits Song-Bok Kim, Stefan Joeres, Ralf Wunderlich, Stefan Heinen
2009	—	`conf`	A double balanced power amplifier for S-band phased arrays in SiGe BiCMOS. ESSCIRC Holger Erkens, Ralf Wunderlich, Stefan Heinen
2009	C	`conf`	Capacitive Crosscoupling Biquad Polyphase Filter. ISCAS Markus Robens, Ralf Wunderlich, Stefan Heinen
2009	—	`conf`	Event gesteuerte Modellierung analoger Frontends für die funktionale Verifikation des RF-SoCs. MBMV Yifan Wang, Ralf Wunderlich, Stefan Heinen, Hans-Werner Groh
2009	J	`jnl`	Modeling Approaches for Functional Verification of RF-SoCs: Limits and Future Requirements. IEEE Trans. Comput. Aided Des. Integr. Circuits Syst. Yifan Wang, Stefan Joeres, Ralf Wunderlich, Stefan Heinen
2009	C	`conf`	UWB LNAs for Ground Penetrating Radar. ISCAS Markus Robens, Ralf Wunderlich, Stefan Heinen
2008	J	`jnl`	A Polyphase Filter Design for Continuous-Time Quadrature Bandpass Sigma-Delta Modulators. IEEE Trans. Circuits Syst. I Regul. Pap. Song-Bok Kim, Markus Robens, Stefan Joeres, Ralf Wunderlich, Stefan Heinen
2008	—	`conf`	A comparison of bandwidth setting concepts for Q-enhanced LC-tanks in deep-sub micron CMOS processes. ICECS Dirk Bormann, Tobias D. Werth, Niklas Zimmermann, Ralf Wunderlich, Stefan Heinen
2008	—	`conf`	An over-voltage protection circuit for CMOS power amplifiers. ICECS Niklas Zimmermann, Ralf Wunderlich, Stefan Heinen
2008	—	`conf`	Complex mismatch shaper for tree-structured DAC in multi-bit complex sigma-delta modulators. ICECS Song-Bok Kim, Stefan Joeres, Ralf Wunderlich, Stefan Heinen
2008	—	`conf`	Continuous-time quadrature bandpass sigma-delta modulator with capacitive feedforward summation for GSM/EDGE low-IF receiver. ICECS Song-Bok Kim, Stefan Joeres, Ralf Wunderlich, Stefan Heinen
2008	J	`jnl`	Effect of Mismatched Loop Delay in Continuous-Time Complex Sigma-Delta Modulators. IEEE Trans. Circuits Syst. II Express Briefs Song-Bok Kim, Tobias D. Werth, Stefan Joeres, Ralf Wunderlich, Stefan Heinen
2008	—	`conf`	Issues on View Switching for RF SoC Verification. BMAS Yifan Wang, Stefan Joeres, Ralf Wunderlich, Stefan Heinen
2008	—	`conf`	Sallen-Key polyphase filter design. ICECS Markus Robens, Ralf Wunderlich, Stefan Heinen
2006	—	`conf`	Optimal Portfolios Under Bounded Shortfall Risk and Partial Information. OR Ralf Wunderlich, Jörn Sass, Abdelali Gabih
2006	J	`jnl`	Optimal portfolio strategies benchmarking the stock market. Math. Methods Oper. Res. Abdelali Gabih, Wilfried Grecksch, Matthias Richter, Ralf Wunderlich
2004	J	`jnl`	A monolithic positioning system. IEEE J. Solid State Circuits Ralf Wunderlich, Carsten Thomas, Klaus Schumacher
2004	—	`conf`	Spectral shaping by generalized transfer function design in frequency modulation Sigma-Delta synthesizers. ISCAS (4) Soeren R. Sappok, Andre Kruth, Guerkan Ordu, Ralf Wunderlich, Stefan Heinen
2001	—	`conf`	Influence of local matching effects on the accuracy of a sequential A/D-converter. ICECS Alexander Dollberg, Jürgen Oehm, Ralf Wunderlich, Klaus Schumacher
2001	—	`conf`	Self-calibrating linear OTAs exemplified in a current mode ADC. ICECS Ralf Wunderlich, R. Frieg, Alexander Dollberg, Klaus Schumacher
1999	—	`conf`	A linear operational transconductance amplifier with automatic offset cancellation and transconductance calibration. ICECS Ralf Wunderlich, Jürgen Oehm, Alexander Dollberg, Klaus Schumacher
1999	—	`conf`	Local matching properties of switching elements and their influence on the accuracy of switched differential current mirrors. ICECS Alexander Dollberg, Jürgen Oehm, Ralf Wunderlich, Klaus Schumacher