A pulse frequency modulation interpretation of VCOs enabling VCO-ADC architectures with extended noise shaping E Gutierrez, L Hernandez, F Cardes, P Rombouts
IEEE Transactions on Circuits and Systems I: Regular Papers 65 (2), 444-457, 2017
84 2017 0.04-mm2 103-dB-A Dynamic Range Second-Order VCO-Based Audio ADC in 0.13- m CMOS F Cardes, E Gutierrez, A Quintero, C Buffa, A Wiesbauer, L Hernandez
IEEE Journal of Solid-State Circuits 53 (6), 1731-1742, 2018
82 2018 A Coarse-Fine VCO-ADC for MEMS Microphones With Sampling Synchronization by Data Scrambling A Quintero, C Buffa, C Perez, F Cardes, D Straeussnigg, A Wiesbauer, ...
IEEE Solid-State Circuits Letters 3, 29-32, 2020
43 2020 SNDR Limits of Oscillator-Based Sensor Readout Circuits F Cardes, A Quintero, E Gutierrez, C Buffa, A Wiesbauer, L Hernandez
Sensors 18 (2), 2018
41 2018 System and method for an oversampled data converter A Wiesbauer, D Straeussnigg, L Hernandez, F Cardes
US Patent 9,106,211, 2015
29 2015 A VCO-Based CMOS Readout Circuit for Capacitive MEMS Microphones A Quintero, F Cardes, C Perez, C Buffa, A Wiesbauer, L Hernandez
Sensors 19 (19), 4126, 2019
20 2019 Frequency-encoded integrators applied to filtering and sigma-delta modulation L Hernández, E Gutierrez, F Cardes
2016 IEEE International Symposium on Circuits and Systems (ISCAS), 478-481, 2016
19 2016 Impedance imaging of cells and tissues: Design and applications R Bounik, F Cardes, H Ulusan, MM Modena, A Hierlemann
BME Frontiers 2022, 2022
18 2022 A pulse frequency modulation VCO-ADC in 40 nm E Gutierrez, C Perez, L Hernandez, F Cardes, V Petrescu, S Walter, ...
IEEE Transactions on Circuits and Systems II: Express Briefs 66 (1), 51-55, 2018
17 2018 Clock Jitter Analysis of Continuous-Time Modulators Based on a Relative Time-Base Projection F Cardes, V Medina, S Paton, L Hernandez
IEEE Transactions on Circuits and Systems I: Regular Papers 66 (3), 920-929, 2018
15 2018 3D in vitro blood-brain-barrier model for investigating barrier insults W Wei, F Cardes, A Hierlemann, MM Modena
Advanced Science 10 (11), 2205752, 2023
11 2023 VCO-based sturdy MASH ADC architecture E Gutierrez, L Hernandez, F Cardes
Electronics Letters 53 (1), 14-16, 2016
11 2016 A capacitance-to-digital converter based on a ring oscillator with flicker noise reduction A Quintero, F Cardes, L Hernandez, C Buffa, A Wiesbauer
2016 Austrochip Workshop on Microelectronics (Austrochip), 40-44, 2016
11 2016 A MEMS microphone interface based on a CMOS LC oscillator and a digital sigma-delta modulator F Cardes, R Jevtic, L Hernandez, A Wiesbauer, D Straeussnigg, R Gaggl
2015 IEEE International Symposium on Circuits and Systems (ISCAS), 2233-2236, 2015
8 2015 Circuit-Based Design of Microfluidic Drop Networks N Rousset, C Lohasz, JA Boos, PM Misun, F Cardes, A Hierlemann
Micromachines 13 (7), 1124, 2022
5 2022 A Low-Power Opamp-Less Second-Order Delta-Sigma Modulator for Bioelectrical Signals in 0.18 µm CMOS F Cardes, N Baladari, J Lee, A Hierlemann
Sensors 21 (19), 6456, 2021
4 2021 Coarse-fine quantization architecture for multiphase VCO-based ADCs C Buffa, F Cardes Garcia, L Hernandez-corporales, CA Perez Cruz, ...
US Patent App. 16/011,272, 2019
3 2019 Sigma delta modulator for sensors C Buffa, F CARDES GARCIA, L Hernandez-Corporales, B KUTTIN, ...
US Patent App. 15/493,252, 2018
3 2018 A time-encoding CMOS capacitive sensor readout circuit with flicker noise reduction F Cardes, L Hernandez, J Escobar, A Wiesbauer, D Straeussnigg, ...
2014 IEEE 57th International Midwest Symposium on Circuits and Systems …, 2014
3 2014 A time-domain readout technique for neural interfaces based on VCO-Timestamping F Cardes, E Azizi, A Hierlemann
IEEE transactions on biomedical circuits and systems, 2023
1 2023