Torsten Lehmann

73 papers C 15Journal 21Unranked 37

Year	Rank	Type	Title / Venue / Authors
2026	—	`conf`	A 3V High Gain Three-Stage Fully Differential Operational Amplifier in Flexible TFT Technology. LASCAS Yufei Xing, Torsten Lehmann
2024	J	`jnl`	Entropy Sources from Tunnelling in Standard CMOS Structures. Circuits Syst. Signal Process. Julian Keledjian, Torsten Lehmann
2023	—	`conf`	Active Noise Cancelling Method for An Electro-Optical Detection System. NorCAS Ruixing Yang, Yingge Chen, François Ladouceur, Nigel H. Lovell, Amr Al Abed, Torsten Lehmann
2022	J	`jnl`	Impedance Properties of Multi-Optrode Biopotential Sensing Arrays. IEEE Trans. Biomed. Eng. Reem M. Almasri, Amr Al Abed, Yuan Wei, Han Wang, Josiah Firth, Laura A. Poole-Warren, François Ladouceur, Torsten Lehmann, Nigel H. Lovell
2020	—	`conf`	On-Chip Digitally Controlled Operational Amplifier Characterisation Circuit without Additional Pins. MWSCAS Edward Yang, Torsten Lehmann
2019	C	`conf`	Cryogenic Support Circuits and Systems for Silicon Quantum Computers. ISCAS Torsten Lehmann
2019	C	`conf`	High Gain Operational Amplifiers in 22 nm CMOS. ISCAS Edward Yang, Torsten Lehmann
2018	J	`jnl`	A reconfigurable dual-output buck-boost switched-capacitor converter using adaptive gain and discrete frequency scaling control. Microelectron. J. Libin George, Torsten Lehmann, Tara Julia Hamilton
2017	J	`jnl`	A Self-Calibrated Cryogenic Current Cell for 4.2 K Current Steering D/A Converters. IEEE Trans. Circuits Syst. II Express Briefs Md. Tanvir Rahman, Torsten Lehmann
2017	J	`jnl`	A Statistical Design Approach Using Fixed and Variable Width Transconductors for Positive-Feedback Gain-Enhancement OTAs. IEEE Trans. Very Large Scale Integr. Syst. Andrew P. Nicholson, Astria Nur Irfansyah, Julian Jenkins, Tara Julia Hamilton, Torsten Lehmann
2017	J	`jnl`	Partial Dynamic Element Matching Technique for Digital-to-Analog Converters Used for Digital Harmonic-Cancelling Sine-Wave Synthesis. IEEE Trans. Circuits Syst. I Regul. Pap. Pasindu Aluthwala, Neil Weste, Andrew Adams, Torsten Lehmann, Sri Parameswaran
2017	—	`conf`	The effect of source resistance on the linearity of Nauta structure OTA. MWSCAS Long Pham, Astria Nur Irfansyah, Tara Julia Hamilton, Torsten Lehmann
2016	J	`jnl`	A 0.04 mm IEEE Trans. Biomed. Circuits Syst. Libin George, Gaetano Dario Gargiulo, Torsten Lehmann, Tara Julia Hamilton
2016	J	`jnl`	A Statistical Design Approach for a Digitally Programmable Mismatch-Tolerant High-Speed Nauta Structure Differential OTA in 65-nm CMOS. IEEE Trans. Very Large Scale Integr. Syst. Andrew P. Nicholson, Artemij Iberzanov, Julian Jenkins, Tara Julia Hamilton, Torsten Lehmann
2016	—	`conf`	Hybrid dual-mode low voltage dropout regulator with infinite impulse response digital filters. LASCAS David Kwong-Heng Phoon, Torsten Lehmann, Tara Julia Hamilton, Julian Jenkins
2016	C	`conf`	The effect of amplitude resolution and mismatch on a digital-to-analog converter used for digital harmonic-cancelling sine-wave synthesis. ISCAS Pasindu Aluthwala, Neil Weste, Andrew Adams, Torsten Lehmann, Sri Parameswaran
2015	—	`conf`	A novel method for non-invasive respiration monitoring. EMBC Andrew J. Cook, Gaetano D. Gargiulo, Rebekah Cook, Ben Ng, Diane Hindmarsh, Torsten Lehmann, Tara Julia Hamilton
2015	J	`jnl`	Concept Design for a 1-Lead Wearable/Implantable ECG Front-End: Power Management. Sensors Libin George, Gaetano Dario Gargiulo, Torsten Lehmann, Tara Julia Hamilton
2015	C	`conf`	Design of a digital harmonic-cancelling sine-wave synthesizer with 100 MHz output frequency, 43.5 dB SFDR, and 2.26 mW power. ISCAS Pasindu Aluthwala, Neil Weste, Andrew Adams, Torsten Lehmann, Sri Parameswaran
2015	—	`conf`	Subthreshold operation of Nauta's operational transconductance amplifier. NEWCAS Astria Nur Irfansyah, Andrew P. Nicholson, Julian Jenkins, Tara Julia Hamilton, Torsten Lehmann
2014	—	`conf`	A 10 bit cryogenic CMOS D/A converter. MWSCAS Md. Tanvir Rahman, Torsten Lehmann
2014	—	`conf`	A digital to transconductance converter for nauta structure op-amps in 65nm CMOS. MWSCAS Andrew P. Nicholson, Julian Jenkins, André van Schaik, Tara Julia Hamilton, Torsten Lehmann
2014	—	`conf`	A reconfigurable buck-boost switched capacitor converter architecture for multiple, distributed on-chip load applications. NEWCAS Libin George, Torsten Lehmann, Tara Julia Hamilton
2014	C	`conf`	A simple digital architecture for a harmonic-cancelling sine-wave synthesizer. ISCAS Pasindu Aluthwala, Neil Weste, Andrew Adams, Torsten Lehmann, Sri Parameswaran
2014	—	`conf`	Calibration of the Nauta structure differential OTA. APCCAS Artemij Iberzanov, Andrew P. Nicholson, Julian Jenkins, Torsten Lehmann, Tara Julia Hamilton
2014	—	`conf`	High-voltage tolerant switch configuration using standard 3.3-V 0.5-μm silicon-on-sapphire CMOS transistors. APCCAS Asish Zac Alex, Torsten Lehmann
2014	—	`conf`	Nauta OTA in a second-order continuous-time delta-sigma modulator. MWSCAS Astria Nur Irfansyah, Long Pham, Andrew P. Nicholson, Torsten Lehmann, Julian Jenkins, Tara Julia Hamilton
2014	—	`conf`	Neuromodulation of the retina from the suprachoroidal space: The Phoenix 99 implant. BioCAS Gregg J. Suaning, Nigel H. Lovell, Torsten Lehmann
2014	J	`jnl`	Safety Ensuring Retinal Prosthesis With Precise Charge Balance and Low Power Consumption. IEEE Trans. Biomed. Circuits Syst. Hosung Chun, Yuanyuan Yang, Torsten Lehmann
2014	J	`jnl`	Sub-Nanoampere One-Shot Single Electron Transistor Readout Electrometry Below 10 Kelvin. IEEE Trans. Circuits Syst. I Regul. Pap. Kushal Das, Torsten Lehmann, Andrew Steven Dzurak
2013	C	`conf`	A 0.3mm ISCAS Andrew P. Nicholson, Julian Jenkins, Astria Nur Irfansyah, Nonie Politi, André van Schaik, Tara Julia Hamilton, Torsten Lehmann
2013	—	`conf`	A 2.6V Silicon-on Sapphire CMOS current imbalance sensing circuit for neurostimulation applications. MWSCAS Cesar Ramos Rodrigues, Torsten Lehmann, Kushal Das, Gregg J. Suaning
2013	—	`conf`	A 7.8V neurostimulator based on cascoded low-voltage Silicon-on-Sapphire MOS transistors. MWSCAS Cesar Ramos Rodrigues, Asish Zac Alex, Torsten Lehmann
2013	—	`conf`	Accurate sensor readout circuitry for reliability measurement of hermetically sealed chip-scale biomedical implants. MWSCAS Kushal Das, Torsten Lehmann, Cesar Ramos Rodrigues
2013	—	`conf`	Design and simulation of an inductive link using fully integrated receiver coil in biomedical implants. MWSCAS Xuepeng Li, Torsten Lehmann
2013	J	`jnl`	Design of Safe Two-Wire Interface-Driven Chip-Scale Neurostimulator for Visual Prosthesis. IEEE J. Solid State Circuits Louis H. Jung, Nitzan Shany, Alexander Emperle, Torsten Lehmann, Phil Byrnes-Preston, Nigel H. Lovell, Gregg J. Suaning
2013	—	`conf`	Design strategy for enhanced output impedance current-steering DAC in sigma-delta converters. MWSCAS Astria Nur Irfansyah, Torsten Lehmann, Julian Jenkins, Tara Julia Hamilton
2013	J	`jnl`	Dual-Stacked Current Recycling Linear Regulators With 48% Power Saving for Biomedical Implants. IEEE Trans. Circuits Syst. I Regul. Pap. Yuanyuan Yang, Hosung Chun, Torsten Lehmann
2013	—	`conf`	High current driving charge pumps in distributed biomedical implants using silicon-on-sapphire technology. MWSCAS Asish Zac Alex, Torsten Lehmann
2013	—	`conf`	Mismatch insensitive automatic tuning control for the single electron transistor readout circuit. MWSCAS Kushal Das, Torsten Lehmann
2013	J	`jnl`	The Ripple Pond: Enabling Spiking Networks to See. CoRR Saeed Afshar, Gregory Cohen, Runchun Wang, André van Schaik, Jonathan Tapson, Torsten Lehmann, Tara Julia Hamilton
2012	C	`conf`	A 1.2V 2-bit phase interpolator for 65nm CMOS. ISCAS Andrew P. Nicholson, Julian Jenkins, André van Schaik, Tara Julia Hamilton, Torsten Lehmann
2012	C	`conf`	A cryogenic single electron transistor readout circuit: Practical issues and measurement considerations. ISCAS Kushal Das, Torsten Lehmann
2012	—	`conf`	A method for measuring switching frequency using complex asynchronous logic circuits. APCCAS Nonie Politi, Julian Jenkins, André van Schaik, Torsten Lehmann, Tara Julia Hamilton
2012	—	`conf`	A reconfigurable buck-boost switched capacitor converter with adaptive gain and discrete frequency scaling control. ICECS Libin George, Torsten Lehmann, Tara Julia Hamilton
2012	—	`conf`	A synchronous buck-boost converter on a Silicon-On-Sapphire 0.5µm process. APCCAS Libin George, Torsten Lehmann, Tara Julia Hamilton
2012	—	`conf`	Low-power circuit structures for chip-scale stimulating implants. APCCAS Torsten Lehmann, Louis H. Jung, Yashodhan Moghe, Hosung Chun, Yuanyuan Yang, Asish Zac Alex
2012	J	`jnl`	Power Saving Circuit Design Techniques for Implantable Neuro-Stimulators. J. Circuits Syst. Comput. Torsten Lehmann, Hosung Chun, Yuanyuan Yang
2012	—	`conf`	Required matching accuracy of biphasic current pulse in multi-channel current mode bipolar stimulation for safety. EMBC Hosung Chun, Yuanyuan Yang, Torsten Lehmann
2012	—	`conf`	Towards the implementation of a cryogenic D/A converter for silicon quantum computer controller. MWSCAS Md. Tanvir Rahman, Torsten Lehmann
2011	C	`conf`	A semi-static threshold-triggered delay element for low power applications. ISCAS Louis H. Jung, Torsten Lehmann, Gregg J. Suaning, Nigel H. Lovell
2011	—	`conf`	Laser-micromachined, chip-scaled ceramic carriers for implantable neurostimulators. EMBC Thomas Guenther, Apoorv Mintri, William W. Lim, Louis H. Jung, Torsten Lehmann, Nigel H. Lovell, Gregg J. Suaning
2011	J	`jnl`	Nanosecond Delay Floating High Voltage Level Shifters in a 0.35 μ m HV-CMOS Technology. IEEE J. Solid State Circuits Yashodhan Moghe, Torsten Lehmann, Tim Piessens
2011	—	`conf`	Towards a chip scale neurostimulator: System architecture of a current-driven 98 channel neurostimulator via a two-wire interface. EMBC Louis H. Jung, Nitzan Shany, Torsten Lehmann, Phil Preston, Nigel H. Lovell, Gregg J. Suaning
2010	—	`conf`	A cryogenic D/A converter with novel charge injection reduction technique for silicon quantum computer controller circuit. APCCAS Md. Tanvir Rahman, Torsten Lehmann
2010	C	`conf`	Current-limited passive charge recovery for implantable neuro-stimulators: Power savings, modelling and characterisation. ISCAS Torsten Lehmann, Hosung Chun, Philip Preston, Gregg J. Suaning
2010	C	`conf`	SOS current mirror matching at 4K: A brief study. ISCAS Kushal Das, Torsten Lehmann
2008	C	`conf`	A novel safety system concept and implementation for implantable stimulators: A universal DC tissue leakage current detector. ISCAS Yashodhan Moghe, Torsten Lehmann
2008	C	`conf`	Implant electronics for intraocular epiretinal neuro-stimulators. ISCAS Torsten Lehmann, Nigel H. Lovell, Gregg J. Suaning, Philip Preston, Yan Tat Wong, Norbert Dommel, Louis H. Jung, Yashodhan Moghe, Kushal Das
2007	—	`conf`	Analog circuits for thermistor linearization with Chebyshev-optimal linearity error. ECCTD Carl Renneberg, Torsten Lehmann
2006	—	`conf`	Microelectronic Retinal Prosthesis: I. A Neurostimulator for the Concurrent Activation of Multiple Electrodes. EMBC Yan Tat Wong, Norbert Dommel, Phil Byrnes-Preston, Torsten Lehmann, Nigel H. Lovell, Gregg J. Suaning
2006	—	`conf`	Microelectronic Retinal Prosthesis: II. Use of High-Voltage CMOS in Retinal Neurostimulators. EMBC Norbert Dommel, Yan Tat Wong, Torsten Lehmann, Phil Byrnes-Preston, Nigel H. Lovell, Gregg J. Suaning
2006	—	`conf`	The Design and Testing of an Epi-Retinal Vision Prosthesis Neurostimulator Capable of Concurrent Parallel Stimulation. EMBC Norbert Dommel, Yan Tat Wong, Phil Byrnes-Preston, Torsten Lehmann, Nigel H. Lovell, Gregg J. Suaning
2005	—	`conf`	A 5V charge pump in a standard 1.8-V 0.18-µm CMOS process. ISCAS (2) T. Hasan, Torsten Lehmann, Chee Yee Kwok
2005	—	`conf`	On-chip active power rectifiers for biomedical applications. ISCAS (1) Torsten Lehmann, Yashodhan Moghe
2002	J	`jnl`	1 V OTA Using Current Driven Bulk Circuits. J. Circuits Syst. Comput. Torsten Lehmann, Marco Cassia
2001	J	`jnl`	1-V power supply CMOS cascode amplifier. IEEE J. Solid State Circuits Torsten Lehmann, Marco Cassia
2001	—	`conf`	An implantable CMOS amplifier for nerve signals. ICECS Jannik Hammel Nielsen, Torsten Lehmann
2000	C	`conf`	An implantable CMOS signal conditioning system for recording nerve signals with cuff electrodes. ISCAS Konstantinos Papathanasiou, Torsten Lehmann
2000	C	`conf`	Integrating data converters for picoampere currents from electrochemical transducers. ISCAS Madalina Breten, Torsten Lehmann, Erik Bruun
1997	J	`jnl`	Nonlinear backpropagation: doing backpropagation without derivatives of the activation function. IEEE Trans. Neural Networks John A. Hertz, Anders Krogh, Benny Lautrup, Torsten Lehmann
1993	J	`jnl`	A Hardware Efficient Cascadable Chip Set For Ann'S With On-Chip Backpropagation. Int. J. Neural Syst. Torsten Lehmann
1993	J	`jnl`	An analog CMOS chip set for neural networks with arbitrary topologies. IEEE Trans. Neural Networks John A. Lansner, Torsten Lehmann