MARIA THERESA G. DE LEON
Position: Professor; Deputy Director for Academic Programs
Laboratory Affiliation: Microelectronics and Microprocessors Laboratory
Room: 220B
Telephone Number: +63-2-89818500 loc 3301
Email: theresa.de.leon@eee.upd.edu.ph
Research Interests: Analog and RF integrated circuits, MEMS, microfabrication, energy harvesting
Educational Background:
PhD Electronic and Electrical Engineering, University of Southampton, 2014
Personal Homepage: UP MicroLab Faculty Page
Research Projects:
CIDR P2: Model-Driven Co-Design of MEMS-Based Sensors and Interface Circuits
Laboratory Affiliation: Microelectronics and Microprocessors Laboratory
Room: 220B
Telephone Number: +63-2-89818500 loc 3301
Email: theresa.de.leon@eee.upd.edu.ph
Research Interests: Analog and RF integrated circuits, MEMS, microfabrication, energy harvesting
Educational Background:
PhD Electronic and Electrical Engineering, University of Southampton, 2014
Personal Homepage: UP MicroLab Faculty Page
Research Projects:
CIDR P2: Model-Driven Co-Design of MEMS-Based Sensors and Interface Circuits
Recent Publication/s:
Journal PublicationsI.C. Fernandez, M.T. de Leon, A. Alvarez, J.R. Hizon, and M. Rosales, “Properties and Design of CMOS Thyristor Delay Elements,” Journal of Integrated Circuits and Systems, 17(1), pp. 1-7, April 2022. |
P.M. Tingzon, H.A. Husay, N.I. Cabello, J.J. Eslit, K. Cook, J. Kapraun, A. Somintac, M.T. de Leon, M. Rosales, A. Salvador, C. Chang-Hasnain, and E. Estacio, “Indirect stress and air-cavity displacement measurement of MEMS tunable VCSELs via micro-Raman and micro-photoluminescence spectroscopy,” Semiconductor Science and Technology, vol. 37, no. 3, January 2022. |
J. Manzano, M. Vasquez Jr., M. Rosales, and M.T. de Leon, “Characterization and Modeling of Surface Roughness on a Silicon/PZT Unimorph Cantilever using Finite Element Method,” Journal of Fluid Flow, Heat, and Mass Transfer, vol. 8, pp. 135-146, 2021. |
F. A. R. Galapon, M.A. Agaton, A. Leynes, L.N. Noveno, A. Alvarez, C.V. Densing, J.R. Hizon, M. Rosales, M.T. De Leon, R.J. Maestro, “A 0 . 5 V Low-Power All-Digital Phase-Locked Loop in 65 nm Complementary Metal-Oxide-Semiconductor Process,” J. Low Power Electron., vol. 15, no. 1, pp. 64–75, 2019. |
D. Grech, A. Tarazona, M.T. de Leon, K. Kiang, J. Zekonyte, R. Wood, and H. Chong, “A quasi-concertina force displacement MEMS probe for measuring biomechanical properties,” Sensors and Actuators A: Physical, vol. 275, pp 67-74, 2018. |
D. Grech, A. Tarazona, M.T. de Leon, K. Kiang, J. Zekonyte, R. Wood, and H. Chong, “Large Gauge Factor of Hot |
H. Benitez, M.T. de Leon, J. Hizon, and M. Rosales, “Performance Analysis of Multistage Cross-Coupled Rectifiers using Simulations on 65nm CMOS Process,” IEEE Wireless Power Week (WPW) 2022, July 5-8, 2022, Bordeaux, France. |
S. Mindoro, J. Cabuyadao, A. Leynes, M. Ralota, Z. Sanchez, J. Hizon, M. Rosales, and M.T. de Leon, “A CMOS Power Management Unit with Undervoltage Lockout Circuit as Startup for Piezoelectric Energy Harvesting Applications,” International System-on-Chip Design Conference (ISOCC) 2021, October 6-9, 2021, Korea. |
A. Leynes, J. Hizon, M.T. de Leon, and M. Rosales, “Asymmetric Charge Transfer Scheme Model in ML-SHHC with Consistent Power Extraction Improvement for Piezoelectric Energy Harvesters,” International System-on-Chip Design Conference (ISOCC) 2021, October 6-9, 2021, Korea. |
I. Fernandez, M.T. de Leon, A. Alvarez, and M. Rosales, “An Energy-Efficient Temperature Sensor Using CMOS Thyristor Delay Elements,“ 32nd International Conference on Microelectronics (ICM2020), December 14-17, 2020, Virtual conference. |
J. Eslit, M.T. de Leon, and M. Rosales, “High Contrast Gratings (HCG) MEMS-Tunable VCSEL Compact Model,“ 32nd International Conference on Microelectronics (ICM2020), December 14-17, 2020, Virtual conference. (First Place, Best Paper Award) |
E. Arce, M.T. de Leon, M. Rosales, T. Yamaguchi, and M. Vasquez Jr, “Synthesis of Nanostructured Zinc Oxide Films,” 18th International Conference on Thin Films, November 22-26, 2020, Virtual conference. |
M. Adonis, R. Forteza, A. Ramos, A. Alvarez, M.T. de Leon, J. Hizon, M. Sabino, C. Santos and M. Rosales, “FPGA-based Features Extraction Sensor for Lettuce Crop,“ IEEE Region 10 Conference (TENCON 2020), November 16-19, 2020, Online conference. |
V. Baylosis, P. Chua, M. Neri, R. Ridao, A. Tan, M.T. de Leon, J. Hizon, M. Sabino, C. Santos, M. Rosales, and A. Alvarez, “Design and Implementation of a Pipelined RV32IMC Processor with Interrupt Support for Large-Scale Wireless Sensor Networks,“ IEEE Region 10 Conference (TENCON 2020), November 16-19, 2020, Online conference. |
J. Manzano, M. Vasquez, M. Rosales, and M.T. de Leon, “Numerical Modeling of Surface Roughness Effects on the Natural Frequency of a Silicon Cantilever,“ International Conference on Energy Harvesting, Storage, and Transfer (EHST’20), November 15-17, 2020, Virtual conference. |
C. Dia, R. Himor, A. Alvarez, J. Hizon, M. Rosales, M. Sabino, C. Santos and M.T. de Leon, “Interface for Shock Inputs in Piezoelectric Energy Harvesting using Synchronous Electric Charge Extraction,“ International System-on-Chip Design Conference (ISOCC) 2019, October 21-24, 2020, Korea. |
A. Caburnay, J. Reyes, A. Alvarez, M.T. de Leon, J. Hizon, M. Rosales, C. Santos and M. Sabino, “Design Space Exploration of a 512KB STT-Assisted SOT MRAM Cache,“ International System-on-Chip Design Conference (ISOCC) 2019, October 21-24, 2020, Korea. |
S. Quintans, F. Narcida, J. Tordesillas, A. Alvarez, M.T. de Leon, J. Hizon, M. Sabino, C. Santos and M. Rosales, “5 Gb/s Optical Transceiver for MEMS Tunable HCG-VCSEL in 65 nm CMOS,“ International System-on-Chip Design Conference (ISOCC) 2019, October 21-24, 2020, Korea. |
R. Alsim, A. Alvarez, M.T. de Leon, M. Rosales, M. Sabino, C. Santos and J. Hizon, “A Top-Down Approach of a Low Noise Amplifier Design Using Verilog-A,“ International System-on-Chip Design Conference (ISOCC) 2019, October 21-24, 2020, Korea. |
A. Ting, A. Alvarez, M.T. de Leon, J. Hizon, M. Rosales, M. Sabino, and C. Santos, “Designing a Class E Power Amplifier through Modeling in Verilog-A,“ International System-on-Chip Design Conference (ISOCC) 2019, October 21-24, 2020, Korea. |
P. Panis, M. Ralota, J. Matanguihan, A. Alvarez, J. Hizon, M. Rosales, C. Santos and M.T. de Leon,” Design and Implementation of a Self-starting Thermal Energy Harvester with Resonant Startup and Maximum Power Point Tracking Capabilities for Wireless Sensor Nodes,“ International System-on-Chip Design Conference (ISOCC) 2019, October 6-9, 2019, Korea. |
H. Benitez, C. Cabuso, M.T. de Leon, J. Hizon and M. Rosales,”An SDR-based WSN Testbed for RF Front End Simulation and Experimentation,“ International System-on-Chip Design Conference (ISOCC) 2019, October 6-9, 2019, Korea. |
K. Juntado, D. Estarija, M. Panagsagan, A. Alvarez, M.T. de Leon, M. Rosales, C. Santos, and J. Hizon, “Design and Implementation of a Baseband LoRa Demodulator Using De-chirp Method,“ International Symposium on Multimedia and Communication Technology (ISMAC) 2019, August 19-21, 2019, Quezon City, Philippines. |
J. Jamir, J. Roberto, J. Reyes, A. Alvarez, M.T. de Leon, M. Rosales, J. Hizon, and C. Santos, “Varying Resolution Pipelined ADC for Direct IF Sampling Receiver in Wireless Sensor Networks,“ International Symposium on Multimedia and Communication Technology (ISMAC) 2019, August 19-21, 2019, Quezon City, Philippines. |
H. Benitez, C. Cabuso, M.T. de Leon, J. Hizon and M. Rosales, “Implementation of a Physical Layer Wireless Sensor Network Testbed Using Software Defined Radios,“ International Symposium on Multimedia and Communication Technology (ISMAC) 2019, August 19-21, 2019, Quezon City, Philippines. |
Y. Macayana, V. Coronel, I. Fernandez, K. Ung, C. Miras, C. Densing, D. Ong, I. Austria, M. Talampas, N. Tiglao, M.T. de Leon, P. Magpantay, and M. Rosales, “Implementation of 6LoWPAN and Controller Area Network for a Smart Hydroponics System,“ in 2019 Global IoT Summit, June 17-21, 2019, Aarhus, Denmark. |
G. Evidente, S. Mindoro, A. Alvarez, C. Densing, R. Maestro, M. Rosales, and M.T. de Leon, “An Ultra-Low Power Direct Active-RF Detection Wake-Up Receiver with Noise-Cancelling Envelope Detector in 65 nm CMOS Process” in IEEE TENCON 2018, October 28-31, 2018, Jeju, Korea. |
G. Cabrera, J. Credo, G. Evidente, R. Malatbalat, S. Mindoro, A. Sanico, A. Alvarez, C. Densing, R. Maestro, M. Rosales, and M.T. de Leon, “A 2.4 GHz Energy-efficient Short-range Receiver with Wake-up and Multiple Gain Settings for Wireless Sensor Networks” in IEEE TENCON 2018, October 28-31, 2018, Jeju, Korea. |
K. Yu, R. Maestro, and M.T. de Leon, “A Study on the Effectiveness of Using a Hybrid Topology in Improving the Power Efficiency and Voltage Regulation over a Wide Input Range of DC-DC Converters” in IEEE TENCON 2018, October 28-31, 2018, Jeju, Korea. |
A. Balde, J. Cabuyadao, C. Densing, J. Hizon, M. Rosales, R. Maestro, and M.T. de Leon, “Low Power Converter for Capacitive Sensors Using Capacitance-to-Pulse Width Modulation” in IEEE TENCON 2018, October 28-31, 2018, Jeju, Korea. |
Antenor, K. Campang, K. Rafols, A. Alvarez, M.T. de Leon, C. Densing, R. Maestro, and M. Rosales, “Design and Implementation of a Thermoelectric Energy Harvesting Interface Circuit with Maximum Power Point Tracking and Self-Startup Capability for Wireless Sensor Nodes” in IEEE TENCON 2018, October 28-31, 2018, Jeju, Korea. |
F. Galapon, M. Agaton, A. Leynes, L. Noveno, A. Alvarez, C. Densing, J. Hizon, M. Rosales, M.T. de Leon, and R. Maestro, “A 0.5V Low-Power All-Digital Phase-Locked Loop in 65Nm CMOS Process for Wireless Sensing Applications” in IEEE TENCON 2018, October 28-31, 2018, Jeju, Korea. |
N. Cabigao, M. Gonzaga, H. Laure, M.T. de Leon, J. Hizon, M. Rosales, A. Alvarez, and C. Densing, “Design of Multiple Prediction Complexity Configurations for an FPGA-Based H.264 Baseline Profile Encoder” in IEEE TENCON 2018, October 28-31, 2018, Jeju, Korea. |
U. Agub, J. Aquino, J. Beano, R. Monsayac, A. Alvarez, M.T. de Leon, C. Densing, J. Hizon, R. Maestro, and M. Rosales, “A Study on Coarse Stage Bit Allocation to Improve Power Efficiency of a 10-Bit Coarse-Fine SAR ADC Implemented in 65 nm CMOS Process for Environmental Sensing Applications” in IEEE TENCON 2018, October 28-31, 2018, Jeju, Korea. |
Z. Sanchez, S. Vasquez, J. Hizon, R. Maestro, M.T. de Leon, and M. Rosales, “A gm/ID Based Algorithm for the Design of CMOS Miller Operational Amplifiers in 65 nm Technology” in IEEE TENCON 2018, October 28-31, 2018, Jeju, Korea. |
G. Manarang, R. Mina, M. Salvador, M.T. de Leon, M. Rosales, C. Densing, and A. Alvarez, “Hardware-Based Model of Node Clustering Using Q-Learning for Wireless Sensor Networks” in IEEE TENCON 2018, October 28-31, 2018, Jeju, Korea. |
F. Galapon, M. Agaton, A. Leynes, L. Noveno, A. Alvarez, C. Densing, J. Hizon, M. Rosales, M.T. de Leon, and R. Maestro, “Power Optimization of a 0.5V 0.286-to-18MHz ADPLL in 65nm CMOS Process” in NGCAS 2018, November 20, 2018, Malta. |