Measurements of the ac longitudinal resistance of a GaAs-AlGaAs quantum Hall device. - Franco Cabiati; Luca Callegaro; Cristina Cassiago; Vincenzo D'Elia; Giancarlo Marullo-Reedtz (IEEE Trans. Instrum. Meas., 1999)

A synchronized two-phase sinewave generator for AC metrology system compensations. - Luca Callegaro; Vincenzo D'Elia (IEEE Trans. Instrum. Meas., 2000)

Optical fiber interface for distributed measurement and control in metrology setups: application to current sensing with fA resolution. - Luca Callegaro; Pier Paolo Capra; Andrea Sosso (IEEE Trans. Instrum. Meas., 2001)

Automated system for inductance realization traceable to AC resistance with a three-voltmeter method. - Luca Callegaro; Vincenzo D'Elia (IEEE Trans. Instrum. Meas., 2001)

A multiphase direct-digital-synthesis sinewave generator for high-accuracy impedance comparison. - Luca Callegaro; Gianluca Galzerano; Cesare Svelto (IEEE Trans. Instrum. Meas., 2001)

A remotely controlled coaxial switch for impedance standard calibration. - Luca Callegaro; Gian Carlo Bosco; Pier Paolo Capra; Danilo Serazio (IEEE Trans. Instrum. Meas., 2002)

Guarded vector voltmeter for AC ratio standard calibration. - Luca Callegaro; Vincenzo D'Elia (IEEE Trans. Instrum. Meas., 2002)

Direct-reading absolute calibration of AC voltage ratio standards. - Luca Callegaro; Gian Carlo Bosco; Vincenzo D'Elia; Danilo Serazio (IEEE Trans. Instrum. Meas., 2003)

Precision impedance measurements by the three-voltage method with a novel high-stability multiphase DDS generator. - Luca Callegaro; Gianluca Galzerano; Cesare Svelto (IEEE Trans. Instrum. Meas., 2003)

Automatic compensation system for impedance measurement. - Alessio Carullo; Marco Parvis; Alberto Vallan; Luca Callegaro (IEEE Trans. Instrum. Meas., 2003)

The European ACQHE project: modular system for the calibration of capacitance standards based on the quantum Hall effect. - Jürgen Melcher; Jürgen Schurr; Klaus Pierz; Jonathan M. Williams; Stephen P. Giblin; Franco Cabiati; Luca Callegaro; Giancarlo Marullo-Reedtz; Cristina Cassiago; Beat Jeckelmann; Blaise Jeanneret; Frédéric Overney; et al. (IEEE Trans. Instrum. Meas., 2003)

On strategies for automatic bridge balancing. - Luca Callegaro (IEEE Trans. Instrum. Meas., 2005)

10-nF capacitance transfer standard. - Luca Callegaro; Vincenzo D'Elia; Danilo Serazio (IEEE Trans. Instrum. Meas., 2005)

Techniques for Traceable Measurements of Small Currents. - Luca Callegaro; Vincenzo D'Elia; Pier Paolo Capra; Andrea Sosso (IEEE Trans. Instrum. Meas., 2007)

A Current Source for Picoammeter Calibration. - Luca Callegaro; Vincenzo D'Elia; Bruno Trinchera (IEEE Trans. Instrum. Meas., 2007)

Four-Terminal-Pair Inductance Comparison Between INRIM and CTU. - Luca Callegaro; Vincenzo D'Elia; Jaroslav Bohacek (IEEE Trans. Instrum. Meas., 2009)

Josephson-Voltage-Standard-Locked Sine Wave Synthesizer: Margin Evaluation and Stability. - Blaise Jeanneret; Frédéric Overney; Luca Callegaro; Alessandro Mortara; Alain Rüfenacht (IEEE Trans. Instrum. Meas., 2009)

Quadrature Bridge for R - C Comparisons Based on Polyphase Digital Synthesis. - Bruno Trinchera; Luca Callegaro; Vincenzo D'Elia (IEEE Trans. Instrum. Meas., 2009)

An Impedance Spectrometer for the Metrology of Electrolytic Conductivity. - Luca Callegaro; Francesca Durbiano; Elena Orru; Bruno Trinchera (IEEE Trans. Instrum. Meas., 2013)

Noise and Correlation Study of Quantum Hall Devices. - Jürgen Schurr; Franz-Josef Ahlers; Luca Callegaro (IEEE Trans. Instrum. Meas., 2013)

A Digitally Assisted Current Comparator Bridge for Impedance Scaling at Audio Frequencies. - Bruno Trinchera; Vincenzo D'Elia; Luca Callegaro (IEEE Trans. Instrum. Meas., 2013)

Generation of Reference DC Currents at 1 nA Level With the Capacitance-Charging Method. - Luca Callegaro; Pier Paolo Capra; Vincenzo D'Elia; Flavio Galliana (IEEE Trans. Instrum. Meas., 2014)

Simulated shunts as dc low-resistance travelling standards. - Luca Callegaro; Cristina Cassiago; Enrico Gasparotto (RTSI, 2015)

Electrical Resistance Tomography on thin films: Sharp conductive profiles. - Alessandro Cultrera; Luca Callegaro (RTSI, 2015)

Traceable measurements of electrical impedance. - Luca Callegaro (IEEE Instrum. Meas. Mag., 2015)

On the Calibration of Direct-Current Current Transformers (DCCT). - Luca Callegaro; Cristina Cassiago; Enrico Gasparotto (IEEE Trans. Instrum. Meas., 2015)

Experiences With a Two-Terminal-Pair Digital Impedance Bridge. - Luca Callegaro; Vincenzo D'Elia; Marian Kampik; Dan Bee Kim; Massimo Ortolano; Faranak Pourdanesh (IEEE Trans. Instrum. Meas., 2015)

A Three-Arm Current Comparator Bridge for Impedance Comparisons Over the Complex Plane. - Luca Callegaro; Vincenzo D'Elia; Massimo Ortolano; Faranak Pourdanesh (IEEE Trans. Instrum. Meas., 2015)

A Setup for the Performance Characterization and Traceable Efficiency Measurement of Magnetostrictive Harvesters. - Mauro Zucca; Luca Callegaro (IEEE Trans. Instrum. Meas., 2015)

A simple algorithm to find the L-curve corner in the regularization of inverse problems. - Alessandro Cultrera; Luca Callegaro (CoRR, 2016)

Self-Compensating Networks for Four-Terminal-Pair Impedance Definition in Current Comparator Bridges. - Luca Callegaro; Vincenzo D'Elia; Jan Kucera 001; Massimo Ortolano; Faranak Pourdanesh; Bruno Trinchera (IEEE Trans. Instrum. Meas., 2016)

Electrical Resistance Tomography of Conductive Thin Films. - Alessandro Cultrera; Luca Callegaro (IEEE Trans. Instrum. Meas., 2016)

On the uncertainty of network analysis methods for the calibration of electrical impedance standards at high frequency. - Luca Callegaro; Marco Sellone; Nosherwan Shoaib (I2MTC, 2017)

A Three-Arm Current Comparator Digitally Assisted Bridge for the Comparison of Arbitrary Four Terminal-Pair Impedances. - Massimo Ortolano; Vincenzo D'Elia; Luca Callegaro (IEEE Trans. Instrum. Meas., 2017)

Calibration Setup for Ultralow-Current Transresistance Amplifiers. - Ilaria Finardi; Luca Callegaro (IEEE Trans. Instrum. Meas., 2018)

Future trends in I&M: Connections with the universe. - Luca Callegaro (IEEE Instrum. Meas. Mag., 2019)

Traceability Chain at KRISS from DC Quantum Hall Resistance to Farad Using Coaxial Bridges. - Dan Bee Kim; Dewi M. Kassim; Wan-Seop Kim; Luca Callegaro; Vincenzo D'Elia; Bruno Trinchera; Jan Kucera 001; Radek Sedlácek (IEEE Trans. Instrum. Meas., 2019)

A Capacitance Build-Up Method to Determine LCR Meter Errors and Capacitance Transfer. - Ngoc Thanh Mai Tran; Vincenzo D'Elia; Luca Callegaro; Massimo Ortolano (IEEE Trans. Instrum. Meas., 2020)

Metrological characterization of a low-cost electroencephalograph for wearable neural interfaces in industry 4.0 applications. - Pasquale Arpaia; Luca Callegaro; Alessandro Cultrera; Antonio Esposito 002; Massimo Ortolano (MetroInd4.0&IoT, 2021)

Comparison of Low DC Current Traceability Methods and Gas Capacitors AC-DC Dependence. - Luca Callegaro; Cristina Cassiago; Vincenzo D'Elia; Enrico Gasparotto; Emanuele Enrico; Martin Götz (IEEE Trans. Instrum. Meas., 2021)

A Comprehensive Analysis of Error Sources in Electronic Fully Digital Impedance Bridges. - Massimo Ortolano; Martina Marzano; Vincenzo D'Elia; Ngoc Thanh Mai Tran; Ryszard Rybski; Janusz Kaczmarek; Miroslaw Koziol; Krzysztof Musiol; Andreas Elmholdt Christensen; Luca Callegaro; Jan Kucera 001; Oliver Power (IEEE Trans. Instrum. Meas., 2021)

Metrological Characterization of Consumer-Grade Equipment for Wearable Brain-Computer Interfaces and Extended Reality. - Pasquale Arpaia; Luca Callegaro; Alessandro Cultrera; Antonio Esposito 002; Massimo Ortolano (IEEE Trans. Instrum. Meas., 2022)

Primary Realization of Inductance and Capacitance Scales With a Fully Digital Bridge. - Martina Marzano; Vincenzo D'Elia; Massimo Ortolano; Luca Callegaro (IEEE Trans. Instrum. Meas., 2022)

Virtual Training Laboratory for Primary Impedance Metrology. - Janusz Kaczmarek; Massimo Ortolano; Oliver Power; Jan Kucera 001; Luca Callegaro; Vincenzo D'Elia; Martina Marzano; Robert Walsh; Miroslaw Koziol; Ryszard Rybski (IEEE Trans. Instrum. Meas., 2023)

Fundamentals of Measurement. - Luca Callegaro (IEEE Instrum. Meas. Mag., 2023)

Laboratory Replication of Low Power Quality Conditions Observed on the Field for Testing Active Energy Meters. - Alessandro Cultrera; Danilo Serazio; Flavio Galliana; Bruno Trinchera; Giulia Aprile; Martino Chirulli; Luca Callegaro (I2MTC, 2024)

Mutual Inductance Measurement in Wireless Power Transfer Systems Operating in the MHz Range. - Andrea Celentano; Carmine Paolino; Fabio Pareschi; Luca Callegaro; Riccardo Rovatti; Gianluca Setti (IEEE Trans. Circuits Syst. II Express Briefs, 2024)

Fundamentals of Measurement: Small Electric Currents. - Luca Callegaro (IEEE Instrum. Meas. Mag., 2024)

Electrical Resistance Tomography for the investigation of memristive nanowire networks. - Alessandro Cultrera; Gianluca Milano; Carlo Ricciardi; Luca Callegaro (I2MTC, 2025)

Calibration of mutual inductance standards with a fully-digital impedance bridge. - Juan Medved; Alessandro Cultrera; Martina Marzano; Vincenzo D'Elia; Massimo Ortolano; Luca Callegaro (I2MTC, 2025)

A Study on the Thermal Hysteresis of Traveling Inductance Standards. - Luca Callegaro; Vincenzo D'Elia; Martina Marzano; Massimo Ortolano; Marc Florian Beug; Harald Bothe (IEEE Trans. Instrum. Meas., 2025)

Magnitude and Phase Calibration of Lock-In Amplifiers, and Analysis of the Noise Response. - Alessandro Cultrera; Juan Medved; Paolo Durandetto; Massimo Ortolano; Andrea Sosso; Luca Callegaro (IEEE Trans. Instrum. Meas., 2025)

An International Trilateral Comparison Among the Newest Generations of Digital and Josephson Impedance Bridges. - Massimo Ortolano; Martina Marzano; Frédéric Overney; Ali L. Eichenberger; Jan Kucera 001; Vincenzo D'Elia; Lucie Bartova; Juan Medved; Luca Callegaro (IEEE Trans. Instrum. Meas., 2025)