Robust Low Power VLSI
VLSI Design Group

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Journal Article
X. Chen, Alghaihab, A., Shi, Y., Truesdell, D. S., Calhoun, B. H., and Wentzloff, D. D., β€œA Crystal-Less BLE Transmitter with Clock Recovery from GFSK-Modulated BLE Packets”, IEEE Journal of Solid-State Circuits, 2021.
S. Z. Ahmed, Truesdell, D. S., Tan, Y., Calhoun, B. H., and Ghosh, A. W., β€œA comprehensive analysis of Auger generation impacted planar Tunnel FETs”, Solid-State Electronics, 2020.
B. H. Calhoun and Brooks, D., β€œCan Subthreshold and Near-Threshold Circuits Go Mainstream?”, IEEE Micro, vol. 30, pp. 80-85, 2010.
B. H. Calhoun, Lach, J., Stankovic, J., Wentzloff, D. D., Whitehouse, K., Barth, A., Brown, J. K., Li, Q., Oh, S., Roberts, N., and Zhang, Y., β€œBody Sensor Networks: A Holistic Approach From Silicon to Users”, IEEE Proceedings, 2011.
M. A. Hanson, Jr, H. C. Powell, Barth, A. T., Ringgenberg, K., Calhoun, B. H., Aylor, J. H., and Lach, J., β€œBody Area Sensor Networks: Challenges and Opportunities”, Computer, vol. 42, pp. 58–65, 2009.
Y. Zhang, Zhang, F., Shakhsheer, Y., Silver, J. D., Klinefelter, A., Nagaraju, M., Boley, J., Pandey, J., Shrivastava, A., Carlson, E. J., Wood, A., Calhoun, B. H., and Otis, B. P., β€œA Batteryless 19 uW MICS/ISM-Band Energy Harvesting Body Sensor Node SoC for ExG Applications”, Journal of Solid State Circuits, vol. 48, pp. 199-213, 2013.
J. Boley, Wang, J., and Calhoun, B. H., β€œAnalyzing Sub-Threshold Bitcell Topologies and the Effects of Assist Methods on SRAM Vmin”, Journal of Low Power Electronics and Applications, 2012.
J. Boley, Wang, J., and Calhoun, B. H., β€œAnalyzing Sub-Threshold Bitcell Topologies and the Effects of Assist Methods on SRAM VMIN”, Journal of Low Power Electronics and Applications (JLPEA), vol. 2, p. 12, 2012.
X. Chen, Breiholz, J., Yahya, F. B., Lukas, C. J., Kim, H. - S., Calhoun, B. H., and Wentzloff, D. D., β€œAnalysis and Design of an Ultra-Low-Power Bluetooth Low-Energy Transmitter With Ring Oscillator-Based ADPLL and 4 Frequency Edge Combiner”, IEEE Journal of Solid-State Circuits, 2019.
D. S. Truesdell, Breiholz, J., Kamineni, S., Liu, N. X., Magyar, A., and Calhoun, B. H., β€œA 6–140-nW 11 Hz–8.2-kHz DVFS RISC-V Microprocessor Using Scalable Dynamic Leakage-Suppression Logic”, IEEE Solid-State Circuits Letters (SSCL), 2019.PDF icon A 6–140-nW 11 Hz–8.2-kHz DVFS RISC-V Microprocessor Using Scalable Dynamic Leakage-Suppression Logic (1.63 MB)
A. Roy, Klinefelter, A., Yahya, F., Chen, X., Gonzalez, P., Lukas, C. J., Akella, D., Boley, J., Craig, K., Faisal, M., Oh, S., Roberts, N., Shakhsheer, Y., Shrivastava, A., Vasudevan, D., Wentzloff, D. D., and Calhoun, B., β€œA 6.45ΞΌW Self-Powered SoC with Integrated Energy-Harvesting Power Management and ULP Asymmetric Radios for Portable Biomedical Systems”, IEEE Transactions on Biomedical Circuits and Systems, vol. 9, pp. 862-874, 2015.
S. Nalam and Calhoun, B. H., β€œ5T SRAM with Asymmetric Sizing for Improved Read Stability”, JSSC, 2011.
J. .Bolus, Calhoun, B. H., and .Blalock, T., β€œ39 fJ/bit On-Chip Identification of Wireless Sensors Based on Manufacturing Variation”, Journal of Low Power Electronics and Applications (JLPEA), vol. 4, p. 16, 2014.
D. Akella, Shrivastava, A., Duan, C., and Calhoun, B. H., β€œA 36nW, 7 ppm/oC Fully On-Chip Clock Source System for Ultra-Low Power Applications”, Journal of Low Power Electronics and Applications (JLPEA), vol. 6, 2016.
K. Craig, Shakhsheer, Y., Arrabi, S., Khanna, S., Lach, J., and Calhoun, B. H., β€œA 32b 90nm Processor Implementing Panoptic DVS Achieving Energy Efficient Operation from Sub-threshold to High Performance”, Journal of Solid State Circuits, 2014.
B. H. Calhoun and Chandrakasan, A., β€œA 256kb 65nm Sub-threshold SRAM Design for Ultra-low Voltage Operation”, IEEE Journal of Solid-State Circuits (JSSC), vol. 42, pp. 680-688, 2007.
N. X. Liu, Agarwala, R., Dissanayake, A., Truesdell, D. S., Kamineni, S., and Calhoun, B. H., β€œA 2.5 ppm/Β°C 1.05 MHz Relaxation Oscillator with Dynamic Frequency-Error Compensation and Fast Start-Up Time”, IEEE Journal of Solid-State Circuits (JSSC), 2019.
A. Dissanayake, Bishop, H. L., Bowers, S. M., and Calhoun, B. H., β€œA 2.4 GHz-91.5 dBm Sensitivity Within-Packet Duty-Cycled Wake-Up Receiver”, IEEE Journal of Solid-State Circuits, 2021.
P. Wang, Agarwala, R., Ownby, N., Liu, X., and Calhoun, B. H., β€œA 2.3-5.7ΞΌW Tri-Modal Self-Adaptive Photoplethysmography Sensor Interface IC for Heart Rate, SpO2 , and Pulse Transit Time Co-Monitoring”, IEEE Transactions on Biomedical Circuits and Systems, 2024.
X. Shen, Duvvuri, D., Bassirian, P., Bishop, H. L., Liu, X., Dissanayake, A., Zhang, Y., Blalock, T. N., Calhoun, B. H., and Bowers, S. M., β€œA 184 nW, -78.3 dBm Sensitivity Antenna-Coupled Supply, Temperature, and Interference-Robust Wake-up Receiver at 4.9 GHz”, IEEE Transactions on Microwave Theory and Techniques, 2022.
A. Shrivastava, Akella, D., and Calhoun, B. H., β€œA 1.5nW, 32.768kHz XTAL Oscillator Operational from 0.3V Supply”, IEEE Journal of Solid-State Circuits (JSSC), vol. 51, 2016.
A. Shrivastava, Roberts, N. E., Khan, O. U., Wentzloff, D. D., and Calhoun, B. H., β€œA 10mV-Input Boost Converter with Inductor Peak Current Control and Zero Detection for Thermoelectric and Solar Energy Harvesting with 220mV Cold-Start and -14.5dBm, 915MHz RF Kick-Start”, IEEE Journal of Solid-State Circuits (JSSC), vol. 50, pp. 1820-1832, 2015.
C. J. Lukas, Yahya, F. B., Breiholz, J., Roy, A., Chen, X., Patel, H. N., Liu, N. X., Kosari, A., Li, S., Kamakshi, D. Akella, Ayorinde, O., Wentzloff, D. D., and Calhoun, B. H., β€œA 1.02 ΞΌW Battery-Less, Continuous Sensing and Post-Processing SiP for Wearable Applications”, IEEE Transactions on Biomedical Circuits and Systems, 2019.PDF icon 08625544.pdf (3.22 MB)
L. Zhang, Duvvuri, D., Bhattacharya, S., Dissanayake, A., Liu, X., Bishop, H. L., Zhang, Y., Blalock, T. N., Calhoun, B. H., and Bowers, S. M., β€œA -102 dBm Sensitivity Multi-Channel Heterodyne Wake-Up Receiver with Integrated ADPLL”, IEEE Open Journal of the Solid-State Circuits Society, 2024.
R. Agarwala, Wang, P., Bishop, H. L., Dissanayake, A., and Calhoun, B. H., β€œA 0.6V 785-nW Multimodal Sensor Interface IC for Ozone Pollutant Sensing and Correlated Cardiovascular Disease Monitoring”, IEEE Journal of Solid-State Circuits, 2021.

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