A robust to PVT fully-differential amplifier in 45nm SOI-CMOS technology. - Andres Amaya; Francisco Villota; Guillermo Espinosa (LASCAS, 2013)

A robust to PVT variations low-voltage low-power current mirror. - Andres Amaya; Guillermo Espinosa; Rodolfo Villamizar (LASCAS, 2014)

DRAM row-hammer attack reduction using dummy cells. - Héctor Gómez; Andres Amaya; Elkim Roa (NORCAS, 2016)

A digital offset correction method for high speed analog front-ends. - Andres Amaya; Héctor Gómez; Elkim Roa (SBCCI, 2016)

Mitigating Row Hammer attacks based on dummy cells in DRAM. - Andres Amaya; Héctor Gómez; Elkim Roa (ICCE, 2017)

A Digital Offset Reduction Method for Dynamic Comparators Based on Phase Measurement. - Andres Amaya; Javier Ardila; Elkim Roa (ISVLSI, 2017)

On-Fly Offset-Correction Method for High-Speed Comparators using All-Digital Phase Measurement. - Andres Amaya; Elkim Roa (ISCAS, 2018)

A 0.007mm2 50mA Three-Stage Fully-Integrated Capacitor-Less Low-Dropout Regulator. - Laude Fernandez; Andres Amaya; Elkim Roa (ISCAS, 2018)

A Multi-Level Power-on Reset for Fine-Grained Power Management. - Andres Amaya; Luis E. Rueda G.; Elkim Roa (PATMOS, 2018)

Improving Low-Dropout Regulator Frequency Stability by Exploiting the Equivalent Series Resistor and Featuring an Adaptive Biasing Strategy. - Andres Amaya; Felipe Castro; Elkim Roa (ISCAS, 2019)

An Energy-Efficient RISC-V RV32IMAC Microcontroller for Periodical-Driven Sensing Applications. - Ckristian Duran; Megan Wachs; Luis E. Rueda G.; Albert Huntington; Javier Ardila; Jack Kang; Andres Amaya; Héctor Gómez; Juan Romero; Laude Fernandez; Felipe Flechas; Rolando Torres; et al. (CICC, 2020)

A digital phase-based on-fly offset compensation method for decision feedback equalisers. - Andres Amaya; Javier Ardila; Elkim Roa (IET Circuits Devices Syst., 2021)