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Journal Article
R. Agarwala, Wang, P., Bishop, H. L., Dissanayake, A., and Calhoun, B. H., A 0.6V 785-nW Multimodal Sensor Interface IC for Ozone Pollutant Sensing and Correlated Cardiovascular Disease Monitoring, IEEE Journal of Solid-State Circuits, 2021.
D. S. Truesdell, Dissanayake, A., and Calhoun, B. H., A 0.6-V 44.6-fJ/Cycle Energy-Optimized Frequency-Locked Loop in 65-nm CMOS With 20.3-ppm/°C Stability, IEEE Solid-State Circuits Letters (SSCL), 2019.PDF icon A 0.6-V 44.6-fJ Cycle Energy-Optimized Frequency-Locked Loop in 65-nm CMOS With 20.3-ppm C Stability.pdf (1.64 MB)
D. S. Truesdell, Li, S., and Calhoun, B. H., A 0.5V 560-kHz 18.8-fJ/Cycle On-Chip Oscillator with 96.1-ppm/°C Steady-State Stability Using a Duty-Cycled Digital Frequency-Locked Loop, IEEE Journal of Solid-State Circuits, 2021.PDF icon A 0.5-V 560-kHz 18.8-fJ_Cycle On-Chip Oscillator With 96.1ppm_C Steady-State Stability Using a Duty-Cycled Digital Frequency-Locked Loop.pdf (2.95 MB)
A. Kosari, Breiholz, J., Liu, N. X., Calhoun, B. H., and Wentzloff, D. D., A 0.5 V 68 nW ECG Monitoring Analog Front-End for Arrhythmia Diagnosis, Journal of Low Power Electronics and Applications (JLPEA), 2018.
A. D. Kamakshi, Shrivastava, A., and Calhoun, B. H., A 0.2 V, 23 nW CMOS Temperature Sensor for Ultra-Low-Power IoT Applications, J. Low Power Electron. Appl. (JLPEA), vol. 6, 2016.
Conference Paper
J. Boley, Beshay, P., and Calhoun, B., Virtual Prototyping (ViPro) Tool for Memory Subsystem Design Exploration and Optimization, in SRC TECHCON, 2013.
S. Nalam, Bhargava, M., Mai, K., and Calhoun, B. H., Virtual Prototyper (ViPro): An Early Design Space Exploration and Optimization Tool for SRAM Designers, in Design Automation Conference (DAC), 2010, pp. 138-143.
O. Ayorinde, Qi, H., Huang, Y., and Calhoun, B., Using island-style bi-directional intra-CLB routing in low-power FPGAs, in 25th International Conference on Field Programmable Logic and Applications (FPL), 2015.
H. Qi, Ayorinde, O., and Calhoun, B. H., An Ultra-Low-Power FPGA for IoT Applications, in S3S 2017, 2017.
B. H. Calhoun and Wentzloff, D. D., Ultra-Low Power Wireless SoCs Enabling a Batteryless IoT, in HOT Chips, 2015.
C. J. Lukas, Yahya, F. B., and Calhoun, B. H., An Ultra-low Power System On Chip Enabling DVS with SR Level Shifting Latches, in IEEE International Symposium on Circuits and Systems (ISCAS), Florence, Italy, 2018.
B. H. Calhoun and Chandrakasan, A., Ultra-Dynamic Voltage Scaling Using Sub-threshold Operation and Local Voltage Dithering in 90nm CMOS, in International Solid State Circuits Conference (ISSCC), 2005, pp. 300-301.
A. Wang, Calhoun, B. H., Verma, N., Kwong, J., and Chandrakasan, A., Ultra-Dynamic Voltage Scaling for Energy Starved Electronics, in Proc. of GOMAC Tech, 2007.
Y. Shakhsheer, Shrivastava, A., Roberts, N., Craig, K., Wooters, S., Wentzloff, D. D., and Calhoun, B. H., Ultra Low Power Circuits and Systems for Self Powered Wireless Sensors, in GOMACTech, 2015.
A. Banerjee and Calhoun, B. H., An Ultra Low Energy 9T Half-select-free Subthreshold SRAM bitcell, in S3S, Monterey, CA, 2013.
P. Long, Huang, J. Z., Povolotskyi, M., Verreck, D., Charles, J., Kubis, T., Klimeck, G., Rodwell, M. J. W., and Calhoun, B. H., A Tunnel FET Design for High-Current, 120 mV Operation, in IEDM, 2016.
P. Bassirian, Duvvuri, D., Truesdell, D. S., Liu, N. X., Calhoun, B. H., and Bowers, S. M., A Temperature-robust 27.6nW -65dBm Wakeup Receiver at 9.6GHz X Band, in 2020 IEEE International Solid-State Circuits Conference (ISSCC), 2020.
S. Nalam, Bhargava, M., Ringgenberg, K., Mai, K., and Calhoun, B. H., A Technology-Agnostic Simulation Environment (TASE) for Iterative Custom IC Design across Processes, in ICCD, 2009, pp. 523-528.
B. H. Calhoun, Khanna, S., Zhang, Y., Ryan, J., and Otis, B., System Design Principles Combining Sub-threshold Circuits and Architectures with Energy Scavening Mechanisms, in International Symposium on Circuits and Systems (ISCAS), Paris, France, 2010, pp. 269-272.
H. N. Patel, Yahya, F. B., and Calhoun, B. H., Subthreshold SRAM: Challenges, Design Decisions, and Solutions, in 60th IEEE International Midwest Symposium on Circuits and Systems, Boston, MA, USA, 2017.

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