Publications de Steve Tanner | EPFL Graph Search

Driven dual phase lock loop

Steve Tanner, Pierre-André Farine, Yazhou Zhao

The invention relates to a phase lock loop (100) comprising: - a loop filter (140), - a voltage controlled oscillator (150), - a frequency divider (160), - a frequency lock detector (113), able to emit a frequency lock indication signal (LOCK), - a digital ...

2016

CPT Cesium-Cell Atomic Clock Operation With a 12-mW Frequency Synthesizer ASIC

Steve Tanner, Pierre-André Farine, Yazhou Zhao

In this paper, we present the design, fabrication, and electrical characterization of a low-power microwave source for interrogation of cesium atomic hyperfine transition frequency using the coherent population trapping (CPT) technique. The 4.6-GHz frequen ...

Institute of Electrical and Electronics Engineers2015

A DAC Mismatch Calibration Technique for Multibit Sigma Delta Modulators

Steve Tanner, Pierre-André Farine, Shafqat Ali

A technique for the calibration of DAC (digital to analog converter) mismatch errors in multi-bit Sigma Delta modulators (SDM) is presented. It consists of two parts: the first is a measurement technique to obtain the relative mismatch of each feedback DAC ...

Ieee2013

Instrumented Knee Prosthesis for Force and Kinematics Measurements

Steve Tanner, Kamiar Aminian, Philippe Renaud, Catherine Dehollain, Arnaud Bertsch, Peter Ryser, Eric Meurville, Pierre-André Farine, Oguz Atasoy, Brigitte Jolles-Haeberli, Arash Arami, Willyan Hasenkamp Carreira, Shafqat Ali, Matteo Simoncini

In this work, we present the general concept of an instrumented smart knee prosthesis for in-vivo measurement of forces and kinematics. This system can be used for early monitoring of the patient after implantation and prevent possible damage to the prosth ...

Ieee-Inst Electrical Electronics Engineers Inc2013

A low power, low chip area decimation filter for Σ - Δ modulator for flywheel MEMS gyro realized in the CMOS 180 nm technology

Steve Tanner, Pierre-André Farine, Rafal Tomasz Dlugosz, Patrick Stadelmann

The paper presents a low power and low chip area decimation filter for a 15-bits Σ-Δ analog-to-digital converter (ADC) designed for a flywheel MEMS gyroscope. In contrary to typical solutions, in which decimation is performed after each filtering stage, in ...

IEEE2012

Low-noise amplifier with sample & hold for high-density stimulation and recording of neural signals

Steve Tanner, Pierre-André Farine, Urs Alexander Müller

In this paper, the design of a low-noise amplifier (LNA) for a 32x32 pixel microelectrode array (MEA) is presented. Its gain and noise amount to 50 dB and 10 μVrms, respectively, at a bandwidth of 66 kHz. The LNA consumes less than 85 μW. The integrated of ...

2011

Instrumented Prosthesis for Knee Implants Monitoring

Steve Tanner, Kamiar Aminian, Philippe Renaud, Catherine Dehollain, Arnaud Bertsch, Peter Ryser, Eric Meurville, Hooman Dejnabadi, Pierre-André Farine, Oguz Atasoy, Brigitte Jolles-Haeberli, Arash Arami, Willyan Hasenkamp Carreira, Shafqat Ali, Matteo Simoncini

In this work we present an instrumented smart knee prosthesis for in-vivo measurement of forces and kinematics. Studying the constraints, we designed minimal sensory systems to be placed in the polyethylene part of the prosthesis. The magnetic sensors and ...

IEEE2011

A speckle-based CMOS sensor array for arbitrary surface movement detection

Steve Tanner, Pierre-André Farine, Chao Wang

The paper presents a CMOS sensor array for the detection of speckle movements, for applications requiring accurate movement tracking of arbitrary surfaces. The array is made of eight sensors incorporating each a spatial comb filter with a pitch of 2.8μm so ...

SPIE Society2011

A 4.6-GHz, 15-mW frequency synthesizer CMOS ASIC with milli-hertz frequency resolution for miniature atomic clocks

Steve Tanner, Pierre-André Farine, Yazhou Zhao

In this paper, a 4.6 GHz frequency synthesizer integrated circuit for Cesium-based miniature atomic clocks is presented. Based on a fractional-N phase-locked loop (PLL) with sigma-delta modulator, the chip features a frequency resolution below 10E-3 Hz at ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2011

A glass-based, high density microelectrode array (MEA) with integrated CMOS amplification

Steve Tanner, Pierre-André Farine, Mohssen Moridi, Urs Alexander Müller

A new bio-interface for active MEAs is presented in this paper. Unlike standard approaches that deposit MEA electrodes using post-processing of the integrated circuit, the proposed structure is based on Ti/Pt microelectrodes inserted by microfabrication in ...

2011

A 0.8V 2.4GHz 1Mb/s GFSK RF transceiver with on-chip DC-DC converter in a standard 0.18µm CMOS technology

Steve Tanner, Maher Kayal, Frédéric Chastellain, Pierre-André Farine, Martin Kucera

A low-energy 2.4GHz RF transceiver supporting 1Mb/s Gaussian Frequency-Shift Keying modulation and designed to run on a 1.5V battery is implemented in a standard 0.18μm CMOS technology. The integrated DC-DC converter can provide up to 100mA to an external ...

IEEE2010

A Novel 1V, 24μW, ∑∆ Modulator Using Amplifier & Comparator Based Switched Capacitor Technique, with 10-kHz Bandwidth and 64dB SNDR

Steve Tanner, Pierre-André Farine, Shafqat Ali

A new technique, Amplifier and Comparator Based Switched Capacitor (ACBSC) for low voltage switched cap circuits, is presented. ACBSC combines the recently introduced CBSC (comparator based switched capacitor circuit) with an amplifier. The current sources ...

2010

Design Experiences of a CMOS LNA for mm-waves

Steve Tanner, Pierre-André Farine, Enrique Rivera Parada, Cyril Botteron

This paper describes some of the design experiences achieved during the design, simulation and characterization of a Complementary Metal-Oxide Semiconductor (CMOS) LNA which has been designed for 24GHz and fabricated in a standard 0.180 µm technology. More ...

2010

Reply to "Comments on 'Performance Analysis of a Hybrid Incremental and Cyclic A/D Conversion Principle'"

Luca Rossi, Steve Tanner, Pierre-André Farine

2010

Fully differential low-noise amplifier with offset reduction for high-resolution neural signal recording

Steve Tanner, Pierre-André Farine, Urs Alexander Müller

A prototype of a high-density multielectrode array for in vitro recording of electrogenic cell networks has been developed. On a surface of 1.92x1.92mm2, it includes 32x32 pixels with a dimension of 60x60µm2. For local amplification of the sensed extracell ...

2010

A highly sensitive a-Si photodetector array with integrated filter for optical detection in MEMS

Steve Tanner, Pierre-André Farine, Mohssen Moridi, Stephan Rohr

This paper presents a highly sensitive photo-detector array deposited on a glass substrate with an integrated optical filter. The active element is a vertically integrated hydrogenated amorphous silicon photodiode featuring a dark current of less than 1e-1 ...

Procedia Chemistry2009

Performance Analysis of a Hybrid Incremental and Cyclic A/D Conversion Principle

Luca Rossi, Steve Tanner, Pierre-André Farine

This paper presents a new hybrid A/D conversion principle based on the combination of an incremental conversion for the most significant part of the result and on a cyclic conversion for the least significant part. The proposed approach exhibits a resoluti ...

2009

A 16-bit, 150-μW, 1-kS/s ADC with hybrid incremental and cyclic conversion scheme

Luca Rossi, Steve Tanner, Pierre-André Farine

This paper presents the design, realization and characterization of a new hybrid A/D converter based on a combined incremental and cyclic conversion. The proposed implementation offers a configurable resolution, and permits to share the same hardware for t ...

2009