ACADEMIC ENGLISH – C1 PLUS

S. Del Cesta, A. Ria, R. Simmarano, M. Piotto, P. Bruschi, "A compact programmable differential voltage reference with unbuffered 4 mA output current capability and ±0.4 % untrimmed spread", European Solid-State Circuits Conference (ESSCIRC), 2017

A compact differential voltage reference cell, which combines an original switched capacitor integrator with a digitally programmable bandgap core, is presented. The two-stage integrator maintains an always-valid output voltage while performing...

S. Del Cesta, A. Catania, M. Piotto, P. Bruschi, "A compact sub-1V class AB operational amplifier for low-voltage switched-capacitor circuits", European Conference on Circuit Theory and Design (ECCTD), 2017

A compact sub-1V class-AB operational amplifier to be used as a building block for low-voltage switched-capacitor architectures is presented. The proposed amplifier works properly with supply voltages in the range 0.9 V - 1.4 V, providing a...

M. Piotto, S. Del Cesta, P. Bruschi, "A CMOS compatible micro-Pirani vacuum sensor based on mutual heat transfer with 5-decade operating range and 0.3 Pa detection limit", Sensors and Actuators, 2017

A Pirani vacuum sensor based on mutual heating between a heater and a distinct temperature probe, separated by a 5   μm air gap, is proposed. The sensor is fabricated by applying a simple post-processing procedure to chips designed and fabricated using...

A. Catania, S. Del Cesta, P. Bruschi, M. Piotto, "Design of current feedback instrumentation amplifiers with rail-to-rail input-output ranges", PhD Research in Microelectronics and Electronics Conference (PRIME), 2017

System level modeling is applied to a recently proposed indirect current feedback (ICF) chopper instrumentation amplifier based on a Gm-C low pass filter architecture. The aim of the study is solving important limitations of the previous architecture in...

M. Piotto, S. Del Cesta, P. Bruschi, "A Compact CMOS Compatible micro-Pirani Vacuum Sensor with Wide Operating Range and Low Power Consumption", Eurosensor, 2016

A micro-Pirani vacuum sensor with an operating pressure range of more than 5 decades is described. The device is fabricated by applying a low-resolution and potentially low-cost front-side bulk micromachining step to a chip produced with a commercial...

M. Piotto, S. Del Cesta, P. Bruschi, "A Compact, Dual Channel Flow-based Differential Pressure Sensor with mPa Resolution and Sub-10 mW Power Consumption", Eurosensor, 2016

In this work, we propose a single-chip sensor for the detection of two extremely low, independent differential pressures. The operating principle consists in measuring the airflow induced by the pressure through a channel of sub-millimeter...

M. Piotto, S. Del Cesta, G. Argnenio, R. Simmarano, P. Bruschi, "A Compact Low-Offset Instrumentation Amplifier with Wide Input and Output Ranges", Congresso Nazionale Sensori (CNS), 2016

In this work, a new architecture for the design of very compact instrumentation amplifiers is proposed. The amplifier has been specifically developed for use as a versatile block for sensor interfacing. The most innovative feature of the proposed cell...

M. Piotto, F. Dell'Agnello, S. Del Cesta, M. Bruschi, "Integrated Thermal Flow Sensors with Programmable Power-Sensitivity Trade-Off" Cogresso Nazionale Sensori (CNS), 2016

A thermal flow sensor integrated with a programmable electronic interface into the same chip is proposed. The sensing structure is a micro-calorimeter with a double heater configuration fabricated with a simple post-processing technique applied to chip...

S. Del Cesta, P. Bruschi, A. N. Longhitano, R. Simmarano, M. Piotto - A CMOS compact differential band-gap voltage reference with programmable output

A modified band-gap circuit capable of producing programmable output differential reference voltage is described. Analysis of the effects of the amplifier noise and offset on the reference voltage is performed, obtaining a compact formula of general...

S. Del Cesta, L. Intaschi, P. Bruschi, M. Piotto - A chopper stabilized, low power capacitance to PWM converter for sensor interfacing

A low-power, low voltage capacitance to pulse duration converter with intrinsic low sensitivity to temperature and parasitic capacitances is presented. The circuit uses a dual clock chopper modulation, which significantly lowers the effects of device...