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 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 Analytical evaluation of VCO-ADC quantization noise spectrum using pulse frequency modulation L Hernandez, E Gutierrez
IEEE Signal Processing Letters 22 (2), 249-253, 2014
44 2014 SNDR limits of oscillator-based sensor readout circuits F Cardes, A Quintero, E Gutierrez, C Buffa, A Wiesbauer, L Hernandez
Sensors 18 (2), 445, 2018
41 2018 Why and How VCO-based ADCs can improve instrumentation applications E Gutierrez, P Rombouts, L Hernandez
2018 25th IEEE International Conference on Electronics, Circuits and Systems …, 2018
21 2018 Frequency-encoded integrators applied to filtering and sigma-delta modulation L Hernandez, E Gutierrez, F Cardes
2016 IEEE International Symposium on Circuits and Systems (ISCAS), 478-481, 2016
19 2016 A highly linear ring oscillator for VCO-based ADCs in 65-nm CMOS LM Alvero-Gonzalez, E Gutierrez, L Hernandez
2018 25th IEEE International Conference on Electronics, Circuits and Systems …, 2018
18 2018 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 Oversampled ADC based on pulse frequency modulator and TDC L Hernández, E Gutiérrez
Electronics Letters 50 (7), 498-499, 2014
14 2014 Spectral analysis of multibit VCO-ADCs and PFM-ADCs with sinusoidal inputs E Gutierrez, L Hernandez
2015 IEEE International Symposium on Circuits and Systems (ISCAS), 1258-1261, 2015
13 2015 VCO-based feature extraction architecture for low power speech recognition applications E Gutierrez, C Perez, F Hernandez, L Hernandez
2019 IEEE 62nd International Midwest Symposium on Circuits and Systems …, 2019
12 2019 VCO‐based ADC with a simplified DAC for non‐linearity correction A Quintero, C Perez, E Gutierrez, L Hernandez
Electronics Letters 54 (13), 813-815, 2018
11 2018 VCO‐based sturdy MASH ADC architecture E Gutierrez, L Hernandez, F Cardes
Electronics Letters 53 (1), 14-16, 2017
11 2017 Ring-oscillator with multiple transconductors for linear analog-to-digital conversion LM Alvero-Gonzalez, V Medina, V Kampus, S Paton, L Hernandez, ...
Electronics 10 (12), 1408, 2021
9 2021 Noise-shaping time-interleaved ADC based on a single ring oscillator and a sampling array A Quintero, C Perez, E Gutierrez, L Hernández, S Paton
2017 IEEE 60th International Midwest Symposium on Circuits and Systems …, 2017
7 2017 VCO-ADC linearization by switched capacitor frequency-to-current conversion R Garvi, LM Alvero-Gonzalez, C Perez, E Gutierrez, L Hernandez
2020 IEEE International Symposium on Circuits and Systems (ISCAS), 1-5, 2020
6 2020 Time-encoding-based ultra-low power features extraction circuit for speech recognition tasks E Gutierrez, C Perez, F Hernandez, L Hernandez
Electronics 9 (3), 418, 2020
5 2020 A Model of Continuous-Time Sigma Delta Modulation Based on Pulse Frequency Encoding V Medina, S Paton, E Gutierrez, L Hernandez
2020 IEEE International Symposium on Circuits and Systems (ISCAS), 1-5, 2020
4 2020 Optimal NTF zero placement in MASH VCO-ADCs with higher order noise shaping E Gutierrez, L Hernandez, S Paton, P Rombouts
2018 25th IEEE International Conference on Electronics, Circuits and Systems …, 2018
4 2018 A 0.03mm2 , 40nm CMOS 1.5GS/s all-digital complementary PWM-GRO E Prefasi, E Gutierrez, L Hernández, S Paton, S Walter, U Gaier
2014 21st IEEE International Conference on Electronics, Circuits and Systems …, 2014
4 2014 