Publications

Book

 

M. Onabajo and J. Silva-Martinez, Analog Circuit Design for Process Variation-Resilient Systems-on-a-Chip. New York, NY: Springer, 2012 (ISBN: 1461422957).

 

Journal Articles (peer-reviewed)

 

A. Mittal, M. Zhang, T. Gourousis, Z. Zhang, Y. Fei, M. Onabajo, F. Restuccia, and A. Shrivastava, “Sub-6 GHz energy detection-based fast on-chip analog spectrum sensing with learning-driven signal classification,” IEEE Internet of Things Journal, accepted for publication.

M. Yan, T. Gourousis, and M. Onabajo, ”On-chip power monitoring: leveraging high-sensitivity differential temperature sensors with chopper stabilization and offset calibration,” IEEE Trans. on Instrumentation and Measurement, vol. 73, no. 2002404, Feb. 2024.

M. Yan, H. M. E. Hussein, C. Cassella, M. Rinaldi, and M. Onabajo, ”Design and analysis of an on-chip current-driven CMOS parametric frequency divider,” IEEE Trans. on Circuits and Systems I: Regular Papers, vol. 70, no. 5, pp. 1893-1906, May 2023.

D. Das, Z. Xu, M. Nasrollahpour, I. Martos-Repath, M. Zaeimbashi, A. Khalifa, A. Mittal, S. S. Cash, N. X. Sun, A. Shrivastava, and M. Onabajo, “Circuit-level modeling and simulation of wireless sensing and energy harvesting with hybrid magnetoelectric antennas for implantable neural devices,” IEEE Open Journal of Circuits and Systems, vol. 4, pp. 139-155, 2023.

N. Mirchandani, Y. Zhang, S. Abdelfattah, M. Onabajo, and A. Shrivastava, “Modeling and simulation of circuit-level nonidealities for an analog computing design approach with application to EEG feature extraction,” IEEE Trans. on Computer-Aided Design of Integrated Circuits and Systems, vol. 42, no. 1, pp. 229-242, Jan. 2023.

Z. Xu, A. Khalifa, A. Mittal, M. Nasrollahpourmotlaghzanjani, D. Das, M. Onabajo, N. X. Sun, S. Cash, and A. Shrivastava, “A 30% efficient high output voltage fully integrated self-biased gate RF rectifier topology for neural implants,” IEEE J. Solid-State Circuits, vol. 57, no. 11, pp. 3324-3335, Nov. 2022.

M. A. A. Ibrahim and M. Onabajo, “A 0.061 nJ/b 10 Mbps hybrid BF-PSK receiver for Internet of Things applications,” IEEE Trans. on Circuits and Systems I: Regular Papers, vol. 69, no. 5, pp. 1919-1931, May 2022.

K. Chen, L. Petruzzi, R. Hulfachor, and M. Onabajo, “Shared offset cancellation and chopping techniques to enhance the voltage accuracy of multi-amplifier systems for feedback sensing in power management applications,” IEEE Trans. on Circuits and Systems I: Regular Papers, vol. 69, no. 3, pp. 1051-1064, March 2022.

Y. Zhang, N. Mirchandani, S. Abdelfattah, M. Onabajo, and A. Shrivastava, “An ultra-low power RSSI amplifier for EEG feature extraction to detect seizures,” IEEE Trans. on Circuits and Systems II: Express Briefs, vol. 69, no. 2, pp. 329-333, Feb. 2022.

K. Chen, J. Garrett, K. Peng, R. Hulfachor, and M. Onabajo, “Buck circuit design with pseudo-constant frequency and constant on-time for high current point-of-load regulation,” IEEE Trans. on Circuits and Systems I: Regular Papers, vol. 68, no. 10, pp. 4062-4075, Oct. 2021.

H. Hussein, M. Rinaldi, M. Onabajo, and C. Cassella, “Capturing and recording cold chain temperature violations through parametric alarm-sensor tags,” Applied Physics Letters, vol. 119, no. 1, pp. 014101, July 2021.

H. Hussein, M. A. A. Ibrahim, M. Rinaldi, M. Onabajo, and C. Cassella, “Reflective parametric frequency selective limiters with sub-dB loss and μWatts power thresholds,” IEEE Trans. on Microwave Theory and Techniques, vol. 69, no. 6, pp. 2989-3000, June 2021.

G. Jha, M. A. A. Ibrahim, and M. Onabajo, “Analysis and experimental validation of large-signal linearization for low-power complex OTA-C filters,” IEEE Open Journal of Circuits and Systems, vol. 2, pp. 398-406, May 2021.

M. Zaeimbashi, M. Nasrollahpour, A. Khalifa, A. Romano, X. Liang, H. Chen, N. Sun, A. Matyushov, H. Lin, C. Dong, Z. Xu, A. Mittal, I. Martos-Repath, G. Jha, N. Mirchandani, D. Das, M. Onabajo, A. Shrivastava, S. Cash, and N. X. Sun, “Ultra-compact dual-band smart NEMS magnetoelectric antennas for simultaneous wireless energy harvesting and magnetic field sensing,” Nature Communications, vol. 12, no. 3141, May 2021.

M. Yan, H. Wei, and M. Onabajo, “On-chip thermal profiling to detect malicious activity: system-level concepts and design of key building blocks,” IEEE Trans. on Very Large Scale Integration (VLSI) Systems, vol. 29, no. 3, pp. 530-543, March 2021.

H. Hussein, M. Rinaldi, M. Onabajo, and C. Cassella, “Chip-less and battery-less subharmonic tags for wireless sensing with parametrically enhanced sensitivities and dynamic ranges,” Scientific Reports, vol. 11, no. 3782, Feb. 2021.

K. Chen, L. Petruzzi, R. Hulfachor, and M. Onabajo, “A 1.16-V 5.8-ppm/°C to 13.5-ppm/°C curvature-compensated CMOS bandgap reference circuit with a shared offset cancellation method for internal amplifiers,” IEEE J. Solid-State Circuits, vol. 56, no. 1, pp. 267-276, Jan. 2021.

D. Das, M. Nasrollahpour, Z. Xu, M. Zaeimbashi, I. Martos-Repath, A. Mittal, A. Khalifa, S. Cash, A. Shrivastava, N. X. Sun, and M. Onabajo, “A radio frequency magnetoelectric antenna prototyping platform for neural activity monitoring devices with sensing and energy harvesting capabilities_,” Electronics, Special Issue on Integrated Electronic Circuits and Systems for Unobtrusive Biomedical Sensing, vol. 9, no. 12, Dec. 2020.

M. Nasrollahpour, A. Romano, M. Zaeimbashi, X. Liang, H. Chen, N. Sun, S. Emam, M. Onabajo, and N. X. Sun, “Integration of a novel CMOS-compatible magnetoelectric antenna with a low-noise amplifier and a tunable input matching,” Analog Integrated Circuits and Signal Processing, vol. 105, no. 3, pp. 407-415, Dec. 2020.

H. Hussein, M. A. A. Ibrahim, G. Michetti, M. Rinaldi, M. Onabajo, and C. Cassella, “Systematic synthesis and design of ultralow threshold 2:1 parametric frequency dividers,” IEEE Trans. on Microwave Theory and Techniques, vol. 68, no. 8, pp. 3497-3509, Aug. 2020.

M. Mohamed, S. Handagala, J. Xu, M. Leeser, and M. Onabajo, “Strategies and demonstration to support multiple wireless protocols with a single RF front-end,” IEEE Wireless Communications, vol. 27, no. 3, pp. 88-95, June 2020.

M. A. A. Ibrahim and M. Onabajo, “A low-power BFSK transmitter architecture for biomedical applications,” IEEE Trans. on Circuits and Systems I: Regular Papers, vol. 67, no. 5, pp. 1527-1540, May 2020.

M. Zaeimbashi, H. Lin, C. Dong, X. Liang, M. Nasrollahpour, H. Chen, N. Sun, A. Matyushov, Y. He, X. Wang, C. Tu, Y. Wei, Y. Zhang, S. Cash, M. Onabajo, A. Shrivastava, and N. Sun, “NanoNeuroRFID: A wireless implantable device based on magnetoelectric antennas,” IEEE Journal of Electromagnetics, RF and Microwaves in Medicine and Biology, vol. 3, no. 3, pp. 206-215, Sept. 2019.

S. A. Zahrai and M. Onabajo, “Review of analog-to-digital conversion characteristics and design considerations for the creation of power-efficient hybrid data converters,” Journal of Low Power Electronics and Applications, vol. 8, no. 2, April 2018.

C.-H. Chang and M. Onabajo, “Analysis and demonstration of an IIP3 improvement technique for low-power RF low-noise amplifiers,” IEEE Trans. on Circuits and Systems I: Regular Papers, vol. 65, no. 3, pp. 859-869, March 2018.

C.-H. Chang, L. Xu, and M. Onabajo, “Design techniques for mitigation of intermodulation distortion components in CMOS RF receiver front-end circuits with subthreshold operation,” Analog Integrated Circuits and Signal Processing, vol. 94, no. 3, pp 335-346, March 2018.

S. A. Zahrai, M. Zlochisti, N. Le Dortz, and M. Onabajo, “A low-power high-speed hybrid ADC with merged sample-and-hold and DAC functions for efficient subranging time-interleaved operation,” IEEE Trans. on Very Large Scale Integration (VLSI) Systems, vol. 25, no. 11, pp. 3193-3206, Nov. 2017.

C.-H. Chang, S. A. Zahrai, K. Wang, L. Xu, I. Farah, and M. Onabajo, “An analog front-end chip with self-calibrated input impedance for monitoring of biosignals via dry electrode-skin interfaces,” IEEE Trans. on Circuits and Systems I: Regular Papers, vol. 64, no. 6, pp. 2666-2678, Oct. 2017.

C.-H. Chang, L. Xu, and M. Onabajo, “Instrumentation amplifier and current injection circuit design for input impedance boosting in biopotential and bioimpedance measurements,” Analog Integrated Circuits and Signal Processing, vol. 88, no. 2, pp. 289-302, Aug. 2016.

L. Xu, C.-H. Chang, and M. Onabajo, “A 0.77mW 2.4GHz RF front-end with -4.5dBm in-band IIP3 through inherent filtering,” IEEE Microwave and Wireless Components Letters (MWCL), vol. 26, no. 5, pp. 352-354, May 2016.

H. Chauhan, V. Kvartenko, R. Coxe, T. Weber, and M. Onabajo, “An optimization platform for digital predistortion of power amplifiers,” IEEE Design & Test, vol. 33, no. 2, pp. 49-58, April 2016.

C.-J. Park, M. Onabajo, H. M. Geddada, A. I. Karsilayan, and J. Silva-Martinez, “Efficient broadband current-mode adder-quantizer design for continuous-time sigma-delta modulators,” IEEE Trans. on Very Large Scale Integration (VLSI) Systems, vol. 23, no. 9, pp. 1920-1930, Sept. 2015.

Y. Gao, S. Zare, X. Yang, T. X. Nan, Z. Y. Zhou, M. Onabajo, M. Liu, A. Aronow, K. Mahalingam, B. M. Howe, G. J. Brown, and N. X. Sun, “Significantly enhanced inductance and quality factor of GHz integrated magnetic solenoid inductors with FeGaB/Al2O3 multilayer films,” IEEE Trans. on Electron Devices, vol. 61, no. 5, pp. 1470-1476, May 2014.

Y. Ni and M. Onabajo, “A low-power temperature-compensated CMOS relaxation oscillator,” Analog Integrated Circuits and Signal Processing, vol. 79, no. 2, pp. 309-317, May 2014.

Y. Gao, S. Zare, X. Yang, T. X. Nan, Z. Y. Zhou, M. Onabajo, K. P. O'Brien, U. Jalan, M. EI-tatani, P. Fisher, M. Liu, A. Aronow, K. Mahalingam, B. M. Howe, G. J. Brown, and N. X. Sun, “High quality factor integrated gigahertz magnetic transformers with FeGaB/Al2O3 multilayer films for radio frequency integrated circuits applications,” Journal of Applied Physics, vol. 115, no. 17, 17E714, May 2014.

H. Chauhan, Y. Choi, M. Onabajo, I. Jung, and Y.-B. Kim, “Accurate and efficient on-chip spectral analysis for built-in testing and calibration approaches,“ IEEE Trans. on Very Large Scale Integration (VLSI) Systems, vol. 22, no. 3, pp. 497 - 506, March 2014.

J. Feng and M. Onabajo, “Wide dynamic range CMOS amplifier design for RF signal power detection via electro-thermal coupling,” Springer J. Electronic Testing (JETTA): Theory and Applications, vol. 30, no. 1, pp. 101-109, Feb. 2014. 

C.-J. Park, M. Onabajo, and J. Silva-Martinez, “External capacitor-less low drop-out regulator with 25dB superior power supply rejection in the 0.4-4MHz range,” IEEE J. Solid-State Circuits, vol. 27, no. 2, pp. 486-501, Feb. 2014.

C.-H. Chang and M. Onabajo, “Input impedance matching optimization for adaptive low-power low-noise amplifiers,” Analog Integrated Circuits and Signal Processing, vol. 77, no. 3, pp. 583-592, Dec. 2013.

C.-H. Chang and M. Onabajo, “IIP3 enhancement of subthreshold active mixers,” IEEE Trans. on Circuits and Systems II: Express Briefs, vol. 60, no. 11, pp. 731-735, Nov. 2013.

P. J. Grossmann, M. E. Leeser, and M. Onabajo, “Minimum energy analysis and experimental verification of a latch-based subthreshold FPGA,” IEEE Trans. on Circuits and Systems II: Express Briefs, vol. 59, no. 12, pp. 942-946, Dec. 2012.

M. Onabajo and J. Silva-Martinez, “Mismatch reduction technique for transistors with minimum channel length,” Analog Integrated Circuits and Signal Processing, vol. 70, no. 3, pp. 429-435, March 2012.

M. Onabajo, D. Gómez, E. Aldrete-Vidrio, J. Altet, D. Mateo, and J. Silva-Martinez, “Survey of robustness enhancement techniques for wireless systems-on-a-chip and study of temperature as observable for process variations,” Springer J. Electronic Testing: Theory and Applications, vol. 27, no. 3, pp. 225-240, June 2011.

M. Onabajo, J. Altet, E. Aldrete-Vidrio, D. Mateo, and J. Silva-Martinez, “Electrothermal design procedure to observe RF circuit power and linearity characteristics with a homodyne differential temperature sensor,” IEEE Trans. on Circuits and Systems I: Regular Papers, vol. 58, no. 3, pp. 458-469, March 2011.

C.-Y. Lu, M. Onabajo, V. Gadde, Y.-C. Lo, H.-P. Chen, V. Periasamy, and J. Silva-Martinez, “A 25MHz bandwidth 5th-order continuous-time lowpass sigma-delta modulator with 67.7dB SNDR using time-domain quantization and feedback,” IEEE J. Solid-State Circuits, vol. 45, no. 9, pp. 1795-1808, Sept. 2010.

E. Aldrete-Vidrio, D. Mateo, J. Altet, M. A. Salhi, S. Grauby, S. Dilhaire, M. Onabajo, and J. Silva-Martinez, “Strategies for built-in characterization testing and performance monitoring of analog RF circuits with temperature measurements,” Measurement Science and Technology, vol. 21, no. 7, 075104 (10pp.), July 2010.

M. Mobarak, M. Onabajo, J. Silva-Martinez, and E. Sánchez-Sinencio, “Attenuation-predistortion linearization of CMOS OTAs with digital correction of process variations in OTA-C filter applications,” IEEE J. Solid-State Circuits, vol. 45, no. 2, pp. 351-367, Feb. 2010.

M. Onabajo, J. Silva-Martinez, F. Fernandez, and E. Sánchez-Sinencio, “An on-chip loopback block for RF transceiver built-in test,” IEEE Trans. on Circuits and Systems II: Express Briefs, vol. 56, no. 6, pp. 444-448, June 2009.

X. Fan, M. Onabajo, F. Fernandez, J. Silva-Martinez, and E. Sánchez-Sinencio, “A current injection built-in test technique for RF low-noise amplifiers,” IEEE Trans. on Circuits and Systems I: Regular Papers, vol. 55, no. 7, pp. 1794-1804, Aug. 2008.

 

Book Chapters

 

“Digitally-Assisted Performance Tuning of Analog/RF Circuits with an On-Chip FFT Engine,” M. Onabajo, Y.-B. Kim, Y. Choi, H. Chauhan, C.-H. Chang, I.-S. Jung, chapter in “Performance Optimization Techniques in Analog, Mixed-Signal, and Radio-Frequency Circuit Design,” edited by M. Fakhfakh, E. Tlelo-Cuautle, and M. H. Fino. Hershey, PA: IGI Global, 2014 (ISBN: 1466666277).

“Wideband Continuous-Time Multi-Bit Delta-Sigma ADCs," J. Silva-Martinez, C.-Y. Lu, M. Onabajo, F. Silva-Rivas, V. Dhanasekaran, and M. Gambhir, chapter in "Analog Circuit Design: Robust Design, Sigma Delta Converters, RFID," edited by H. Casier, M. Steyaert, and A. van Roermund. Dordrecht: Springer, 2011 (ISBN: 9400703902).

“Broadband High-Resolution 200MHz Bandpass Sigma-Delta Modulator With a Software Based Calibration Scheme," J. Silva-Martinez, C.-Y. Lu, F. Silva-Rivas, M. Onabajo, and S. Hoyos, chapter in "CMOS Nanoelectronics: Analog and RF VLSI Circuits," edited by Krzysztof Iniewski. New York, NY: McGraw-Hill, 2011 (ISBN: 0071755659).

 

Patents

 

M. A. A. Ibrahim and M. Onabajo, “Low-power frequency-shift keying (FSK) wireless transmitters,” Northeastern University, U. S. patent granted Feb. 4, 2020 (US 10,554,458 B2).

M. Onabajo and Y.-B. Kim, “Method to use on-chip temperature sensors for detection of Trojan circuits,” Northeastern University, U. S. patent granted Sept. 11, 2018 (US 10,074,580 B2).

C.-H. Chang and M. Onabajo, “Instrumentation amplifier with built-in digitally-programmable input capacitance cancellation,” Northeastern University, U.S. patent granted Dec. 26, 2017 (US 9,853,611 B2).

 

Conference Papers (peer-reviewed)

 

D. Das, M. Abdi, M. Liu, M. Onabajo, and F. Restuccia, “Wireless System and Circuit Co-Design for the Internet of Self-Adaptive Things,” in Proc. IEEE Intl. Symp. on Dynamic Spectrum Access Networks (DySPAN), May 2024.

T. Gourousis, M. Yan, H. M. E. Hussein, C. Cassella, M. Rinaldi, and M. Onabajo, “An active filter balun and frequency doubler for parametric phase noise reduction systems,” in Proc. IEEE Intl. Midwest Symp. on Circuits and Systems (MWSCAS), Aug. 2023.

T. Gourousis, Z. Zhang, M. Yan, M. Zhang, A. Mittal A. Shrivastava, F. Restuccia, Y. Fei, and M. Onabajo, “Identification of stealthy hardware Trojans through on-chip temperature sensing and an autoencoder-based machine learning algorithm,” in Proc. IEEE Intl. Midwest Symp. on Circuits and Systems (MWSCAS), Aug. 2023.

M. Yan, H. M. E. Hussein, C. Cassella, M. Rinaldi, and M. Onabajo, ”Design of a CMOS parametric frequency divider with 2.4-GHz output frequency for RF systems-on-a-chip,” in Proc. IEEE Intl. Symp. on Circuits and Systems (ISCAS), May 2022.

J. Silva-Martinez, M. Onabajo, and A. Mayhugh, ”A practical and design oriented approach to teaching circuits,” in Proc. IEEE Intl. Symp. on Circuits and Systems (ISCAS), May 2022.

D. Das, Z. Xu, M. Nasrollahpour, I. Martos-Repath, M. Zaeimbashi, A. Khalifa, A. Mittal, S. S. Cash, N. X. Sun, A. Shrivastava, and M. Onabajo, “Simulation and experimental evaluation of energy harvesting circuits with magnetoelectric antennas,” in Proc. IEEE Intl. Midwest Symp. on Circuits and Systems (MWSCAS), Aug. 2021.

H. Wei, M. Yan, and M. Onabajo, “Noise reduction via chopper stabilization of fully differential temperature sensors for hardware security applications,” in Proc. IEEE Dallas Circuits and Systems Conference (DCAS), Nov. 2020.

Z. Xu, N. Mirchandani, M. A. A. Ibrahim, M. Onabajo, A. Shrivastava, ”A high efficiency DC-DC converter architecture with adjustable switching frequency to suppress noise injection in RF receiver front-ends,” in Proc. IEEE Intl. Symp. on Circuits and Systems (ISCAS), Oct. 2020.

Y. Zhang, N. Mirchandani, M. Onabajo, A. Shrivastava, “RSSI amplifier design for a feature extraction technique to detect seizures with analog computing,” in Proc. IEEE Intl. Symp. on Circuits and Systems (ISCAS), Oct. 2020.

I. Martos-Repath, A. Mittal, M. Zaeimbashi, D. Das, N. X. Sun, A. Shrivastava, and M. Onabajo, “Modeling of magnetoelectric antennas for circuit simulations in magnetic sensing applications,” in Proc. IEEE Intl. Midwest Symp. on Circuits and Systems (MWSCAS), Aug. 2020.

S. Abdelfattah, A. Shrivastava, and M. Onabajo, “A chopper instrumentation amplifier with fully symmetric negative capacitance generation feedback loop and online digital calibration for input impedance boosting,” in Proc. IEEE Intl. Midwest Symp. on Circuits and Systems (MWSCAS), Aug. 2019.

M. A. A. Ibrahim and M. Onabajo, “Sinusoidal signal generation through successive integration,” in Proc. IEEE Intl. Symp. on Circuits and Systems (ISCAS), May 2019.

M. Zlochisti, S. A. Zahrai, N. Le Dortz, and M. Onabajo, “Comparator design and calibration for flash ADCs within two-step ADC architectures,” in Proc. IEEE Intl. Symp. on Circuits and Systems (ISCAS), May 2019.

M. Leeser, S. Handagala, M. Mohamed, J. Xu, and M. Onabajo, “An FPGA design technique to receive multiple wireless protocols with the same RF front end”, in Proc. IEEE Wireless Days, April 2019.

S. Handagala, M. Mohamed, J. Xu, M. Onabajo, M. Leeser, “Detection of different wireless protocols on an FPGA with the same analog/RF front end,” in Proc. Intl. Conf. on Cognitive Radio Oriented Wireless Networks (CROWNCOM), Sept. 2018.

M. Yan, H. Wei, and M. Onabajo, “Modeling of thermal coupling and temperature sensor circuit design considerations for hardware Trojan detection,” in Proc. IEEE Intl. Midwest Symp. on Circuits and Systems (MWSCAS), Aug. 2018.

G. Jha, M. A. A. Ibrahim, and M. Onabajo, “A low-power complex bandpass Gm-C filter with dynamic range expansion through adaptive biasing,” in Proc. IEEE Intl. Symp. on Circuits and Systems (ISCAS), May 2018.

S. A. Zahrai, M. Zlochisti, N. Le Dortz, and M. Onabajo, “Design considerations and experimental verification of a 10.5mW 1GS/s hybrid ADC for portable wireless devices,” in Proc. IEEE Intl. Symp. on Circuits and Systems (ISCAS), May 2018.

M. A. A. Ibrahim, N. Mirchandani, N. Shafiee, M. Onabajo, and A. Shrivastava, “Study of performance impact from powering RF receiver front-end circuits with a DC-DC converter,” in Proc. IEEE Intl. Symp. on Circuits and Systems (ISCAS), May 2018.

M. A. A. Ibrahim and M. Onabajo, “A transmitter architecture for wireless medical devices in the MICS band,” in Proc. IEEE Intl. Midwest Symp. on Circuits and Systems (MWSCAS), Aug. 2017.

C.-H. Chang and M. Onabajo, “Low-power low-noise amplifier IIP3 improvement under consideration of the cascode stage,” in Proc. IEEE Intl. Symp. on Circuits and Systems (ISCAS), May 2017.

S. A. Zahrai, N. Le Dortz, and M. Onabajo, “Design of clock generation circuitry for high-speed subranging time-interleaved ADCs,” in Proc. IEEE Intl. Symp. on Circuits and Systems (ISCAS), May 2017.

M. A. A. Ibrahim and M. Onabajo, “Linear input range extension for low-voltage operational transconductance amplifiers in Gm-C filters,” in Proc. IEEE Intl. Symp. on Circuits and Systems (ISCAS), May 2017.

C.-H. Chang, L. Xu, and M. Onabajo, “A low-power RF receiver front-end chip designed with methods to reduce third-order intermodulation distortion,” in Proc. IEEE Dallas Circuits and Systems Conference (DCAS), Oct. 2016.

H. Chauhan, V. Kvartenko, and M. Onabajo, “A tuning technique for temperature and process variation compensation of power amplifiers with digital predistortion,” in Proc. IEEE North Atlantic Test Workshop (NATW), pp. 38-45, May 2016.

H. Chauhan and M. Onabajo, “Performance enhancement techniques and verification methods for radio frequency circuits and systems,” in Proc. IEEE VLSI Test Symposium (VTS), April 2016.

H. Chauhan, M. McCormick, V. Kvartenko, R. Coxe, and M. Onabajo, “A simulation method for design and optimization of RF power amplifiers with digital predistortion,” in Proc. IEEE Dallas Circuits and Systems Conference (DCAS), Oct. 2015. (Best Student Paper Award)

S. A. Zahrai and M. Onabajo, “A low-power hybrid ADC architecture for high-speed medium-resolution applications,” in Proc. IEEE Intl. Midwest Symp. on Circuits and Systems (MWSCAS), Aug. 2015.

M. Zlochisti, S. A. Zahrai, and M. Onabajo, “Digitally programmable offset compensation of comparators in flash ADCs for hybrid ADC architectures,” in Proc. IEEE Intl. Midwest Symp. on Circuits and Systems (MWSCAS), Aug. 2015.

L. Xu and M. Onabajo, “A low-power temperature-compensated relaxation oscillator for built-in test signal generation,” in Proc. IEEE Intl. Midwest Symp. on Circuits and Systems (MWSCAS), Aug. 2015.

S. A. Zahrai, L. Xu, C.-H. Chang, K. Wang, I. Farah, and M. Onabajo, “On-chip digital calibration for automatic input impedance boosting during biopotential measurements,” in Proc. IEEE Intl. Midwest Symp. on Circuits and Systems (MWSCAS), Aug. 2015.

L. Xu, K. Wang, C.-H. Chang, and M. Onabajo, “Inductorless linearization of low-power active mixers,” in Proc. IEEE Intl. Symp. on Circuits and Systems (ISCAS), pp. 2213-2216, May 2015.

Y. Choi, C.-H. Chang, I.-S. Jung, M. Onabajo, and Y.-B. Kim, “A built-in calibration system with a reduced FFT engine for linearity optimization of low power LNA,” in Proc. IEEE Intl. Symp. on Defect and Fault Tolerance (DFT) in VLSI and Nanotechnology Systems, pp. 221-226, Oct. 2014.

L. Xu, J. Feng, Y. Ni, and M. Onabajo, ”Test signal generation for the calibration of analog front-end circuits in biopotential measurement applications,” in Proc. IEEE Intl. Midwest Symp. on Circuits and Systems (MWSCAS), pp. 949-952, Aug. 2014.

K. Wang, C.-H. Chang, and M. Onabajo, ”A fully-differential CMOS low-pass notch filter for biosignal measurement devices with high interference rejection,” in Proc. IEEE Intl. Midwest Symp. on Circuits and Systems (MWSCAS), pp. 1041-1044, Aug. 2014.

Y. Choi, C.-H. Chang, H. Chauhan, I.-S. Jung, M. Onabajo, and Y.-B. Kim, ”A built-in calibration system to optimize third-order intermodulation performance of RF amplifiers,” in Proc. IEEE Intl. Midwest Symp. on Circuits and Systems (MWSCAS), pp. 599-602, Aug. 2014.

C.-H. Chang and M. Onabajo, ”Instrumentation amplifier input capacitance cancellation for biopotential and bioimpedance measurements,” in Proc. IEEE Intl. Midwest Symp. on Circuits and Systems (MWSCAS), pp. 539-542, Aug. 2014.

C.-J. Park, M. Onabajo, and J. Silva-Martinez, ”Design techniques for external capacitor-less LDOs with high PSR over wide frequency range,” in Proc. IEEE Intl. Midwest Symp. on Circuits and Systems (MWSCAS), pp. 342-345, Aug. 2014.

J. Altet, D. Mateo, E. Aldrete-Vidrio, F. Reverter, D. Gómez, J. L. González, M. Onabajo,  J. Silva-Martinez, B. Martineau, X. Perpiñà, L. Abdallà, H. Stratigopoulos, X. Jordà, M. Vellvehi, S. Dilhaire, S. Mir, and X. Aragonés, “Review of temperature sensors as monitors for RF-mmW built-in testing and self-calibration schemes,” in Proc. IEEE Intl. Midwest Symp. on Circuits and Systems (MWSCAS), pp. 1082-1084, Aug. 2014.

Y. Gao, S. Zare, M. Onabajo, M. Li, Z. Zhou, T. Nan, X. Yang, M. Liu, K. Mahalingam, B. M. Howe, J. G. Jones, G. J. Brown, and N. X. Sun, "Power-efficient voltage tunable RF integrated magnetoelectric inductors with FeGaB/Al2O3 multilayer films," in Proc. IEEE MTT-S Intl. Microwave Symposium (IMS), June 2014.

I.-S. Jung, M. Onabajo, Y.-B. Kim, “A 10-bit 64MS/s SAR ADC using variable clock period method,” in Proc. IEEE Intl. Midwest Symp. on Circuits and Systems (MWSCAS), pp. 1144-1147, Aug. 2013. 

C.-H. Chang and M. Onabajo, “Linearization of subthreshold low-noise amplifiers,” in Proc. IEEE Intl. Symp. on Circuits and Systems (ISCAS), pp. 377-380, May 2013 .

C.-J. Park, H. M. Geddada, A. I. Karsilayan, J. Silva-Martinez, and M. Onabajo, “A current-mode flash ADC for low-power continuous-time sigma delta modulators,” in Proc. IEEE Intl. Symp. on Circuits and Systems (ISCAS), pp. 141-144, May 2013. 

J. Feng and M. Onabajo, “A wide dynamic range temperature sensor for on-chip power monitoring,” in Proc. IEEE North Atlantic Test Workshop (NATW), May 2013.

H. Chauhan, Y. Choi, C.-H. Chang, Y.-B. Kim, and M. Onabajo, “On-chip amplifier linearity calibration with the fast Fourier transform,” in Proc. IEEE North Atlantic Test Workshop (NATW), May 2013.

P. Grossmann, M. Leeser, and M. Onabajo, “Minimum energy operation for clustered island-style FPGAs,” in Proc. 21st ACM/SIGDA International Symposium on Field-Programmable Gate Arrays (FPGA 2013), pp. 157-165, Feb. 2013.

P. Grossmann, M. Leeser, and M. Onabajo, “Characterization of a single-supply subthreshold FPGA,” in Proc. IEEE Subthreshold Microelectronics Conf., Oct. 2012.

E. Aldrete, M. Onabajo, J. Altet, D. Mateo, and J. Silva-Martinez, “Non-invasive RF built-in testing using on-chip temperature sensors,” in Proc. IEEE Intl. Test Conf. (ITC), Nov. 2009.

M. Onabajo, F. Fernandez, J. Silva-Martinez, and E. Sánchez-Sinencio, “Strategic test cost reduction with on-chip measurement circuitry for RF transceiver front-ends – an overview,” in Proc. 49th IEEE Intl. Midwest Symp. on Circuits and Systems, vol. 2, pp. 643-647, Aug. 2006.

 

Workshops/Short Courses (invited)

 

M. Onabajo, C.-H. Chang, L. Xu, “Subthreshold RF Circuit Design for Short-Range Wireless Communication Applications,” CMOS Emerging Technologies Workshop, Montreal, Canada, May 25-27, 2016.

J. Silva-Martinez, M. Onabajo, J. Altet, “Circuit Design Techniques for Process-Variation-Resilient Baseband Mixed-Signal ICs,” part of the “Self-Healing Mixed-Signal Circuitry: Built-in Calibration and Compensation Techniques” workshop at the IEEE Radio Frequency Integrated Circuits (RFIC) Symp., Seattle, USA, June 2-4, 2013.

M. Onabajo, “Variation-Tolerant Design of Analog CMOS Circuits,” 3-day short course at the Universitat Politècnica de Catalunya (UPC), Barcelona, Spain, June 5-7, 2012.

J. Silva-Martinez, M. Onabajo, and J. Altet, “On-Chip Calibration and Novel Performance Monitoring of RF Circuits,” part of the “Design for Manufacturability and Self-Testability of RFICs” workshop at the IEEE Radio Frequency Integrated Circuits (RFIC) Symp., Baltimore, USA, June 5-7 2011.

J. Altet, J. Silva-Martinez, M. Onabajo, E. Aldrete, and D. Mateo, “Differential Temperature Sensors as On-Chip RF Power Detectors in Standard CMOS Technology,” CMOS Emerging Technologies Workshop, Whistler, Canada, June 15-17, 2011.

C.-Y. Lu, M. Onabajo, V. Gadde, Y.-C. Lo, F. Silva-Rivas, H.-P. Chen, and J. Silva-Martinez, “A 25MHz Bandwidth 12-Bit Continuous-Time Low-Pass ΣΔ Modulator Design in Jazz 0.18μm CMOS Technology,” Analog-Intensive Mixed-Signal Circuits, Applications, and Technology (AIMS-CAT) Conf. hosted by Jazz Semiconductor, Newport Beach, USA, Oct. 2008.

 

Marvin Onabajo

Analog & Mixed-Signal Integrated Circuit (AMSIC) Research Laboratory

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