Behavioral modeling of continuous-time ΣΔ modulators in matlab/simulink. - Paulo César Comassetto de Aguirre; Vinicius Camargo; Hamilton Klimach; Altamiro Amadeu Susin; Cesar Prior (LASCAS, 2013)

A third-order 1 MHz continuous-time sigma-delta modulator in a 130 nm CMOS process. - Paulo César Comassetto de Aguirre; Hamilton Duarte Klimach; Altamiro Amadeu Susin (LASCAS, 2015)

A digitally tunable 4th-order Gm-C low-pass filter for multi-standards receivers. - Mateus S. Oliveira; Paulo César Comassetto de Aguirre; Lucas C. Severo; Alessandro Girardi; Altamiro Amadeu Susin (SBCCI, 2016)

Low cost automatic test vector generation for structural analog testing. - André Lucas Chinazzo; Paulo César Comassetto de Aguirre; Tiago R. Balen (LATS, 2017)

A 0.6-V, 74.2-dB DR Continuous-Time Sigma-Delta Modulator With Inverter-Based Amplifiers. - Paulo César Comassetto de Aguirre; Altamiro Amadeu Susin (IEEE Trans. Circuits Syst. II Express Briefs, 2018)

A 170.7-dB FoM-DR 0.45/0.6-V Inverter-Based Continuous-Time Sigma-Delta Modulator. - Paulo César Comassetto de Aguirre; Edoardo Bonizzoni; Franco Maloberti; Altamiro Amadeu Susin (IEEE Trans. Circuits Syst. II Express Briefs, 2020)

An 8-Bit 4x4 Segmented Current-Steering DAC for Bipolar Biphasic Stimulators. - Paulo César Comassetto de Aguirre; Fabio D. Da Fonseca; Alessandro Gonçalves Girardi (MWSCAS, 2022)

High-Level Design of a 14-bit Continuous-Time Sigma-Delta Modulator with FIR DAC for Low-Voltage Audio Devices. - Matheus Cortez; Alessandro Gonçalves Girardi; Paulo César Comassetto de Aguirre (SBCCI, 2022)

An RF-EH Employing Controlled-Impedance Matching for Ultra-Low Voltage Batteryless Devices. - Tailize C. De-Oliveira; Raul P. De Oliveira; Alessandro Gonçalves Girardi; Paulo César Comassetto de Aguirre; Lucas Compassi Severo (LASCAS, 2023)

A Fast Cold-Start Integrated System for Ultra-Low Voltage SC Energy-Harvesting Circuits. - Luis Felipe Machado Dutra; Paulo César Comassetto de Aguirre; Alessandro Gonçalves Girardi; Lucas Compassi Severo (LASCAS, 2023)

Evaluation and Comparison of Offset Compensation Techniques for a Multi-Stage Comparator. - Beatriz E. H. Rezende; João L. J. Brum; Martina C. Rodrigues; Lucas Compassi Severo; Alessandro Gonçalves Girardi; William Prodanov; Paulo César Comassetto de Aguirre (SBCCI, 2023)

A 5.8-GHz RF VCO-Based Sensing System with Integrated RF Energy Harvesting in CMOS 65-nm for Health Monitoring Applications. - Tailize C. De-Oliveira; Tawan Chrysther dos Santos; Renan D. P. de Oliveira; Claudio E. C. P. Júnior; Rodrigo S. Moraes; Diego M. de Mattos; Martina C. Rodrigues; Alessandro Gonçalves Girardi; Paulo César Comassetto de Aguirre; Lucas Compassi Severo (LASCAS, 2024)

A Low-Voltage Low-Power 20-Msps 3-Bit Rail-to-Rail Flash ADC. - Ramon H. Vieira; Tawan Chrysther dos Santos; Renan D. P. de Oliveira; Alessandro Gonçalves Girardi; Lucas C. Severo; Paulo César Comassetto de Aguirre (LASCAS, 2024)

A 5-V 125-kHz Fourth-Order Continuous-Time Sigma-Delta Modulator in 130-nm BCD Technology. - Renan D. P. de Oliveira; Tawan Chrysther dos Santos; Matheus B. S. Carvalho; Crístian Müller; Alessandro Gonçalves Girardi; Lucas Compassi Severo; Paulo César Comassetto de Aguirre (SBCCI, 2024)

Voltage Coefficient of Resistance Effect in the Harmonic Distortion of Active-RC Continuous-Time Sigma-Delta Modulators. - Tawan Chrysther dos Santos; Alessandro Gonçalves Girardi; Paulo César Comassetto de Aguirre (SBCCI, 2024)

A Negative Resistance-Based ULV Variable-Gain OTA for Low-Power Applications. - Suzian Mahéli R. Santos; Tailize C. De-Oliveira; Alessandro Girardi; Paulo César Comassetto de Aguirre; Wilhelmus A. M. Van Noije; Lucas Compassi Severo (IEEE Trans. Circuits Syst. II Express Briefs, 2024)

Variable Conversion Approach for Design Optimization of Low-Voltage Low-Pass Filters. - Lucas Compassi Severo; Tailize C. De-Oliveira; Paulo César Comassetto de Aguirre; Wilhelmus A. M. Van Noije; Alessandro Gonçalves Girardi (IEEE Trans. Very Large Scale Integr. Syst., 2024)

A 13.56-MHz CMOS Active-Rectifier WPT with Dynamically Controllable Comparator for IMDs. - Cláudio Ernani da Costa Pedroso; Paulo César Comassetto de Aguirre; Natalia B. Chagas; Alessandro Gonçalves Girardi (LASCAS, 2025)

IoT Sensor Node with Edge Computing for Efficient Vibration Monitoring of Industrial Motors. - Marcelo Romanssini; Paulo César Comassetto de Aguirre; Alessandro Gonçalves Girardi (LASCAS, 2025)

A LUT-Based Calibration Approach of the ESP32 ADC for a Power Quality Analyzer. - Kélton da Rosa Severo; José Wagner M. Kaehler; Crístian Müller; Alessandro Gonçalves Girardi; Natalia Braun Chagas; Paulo César Comassetto de Aguirre (LASCAS, 2025)