Research

CDADIC Publications (2012 - 2021)

2022

CC. Lin, C. Puglisi, V. Boljanovic, H. Yan, E. Ghaderi, J. Gaddis, Q. Xu, S. Poolakkal, D. Cabric, S. Gupta. “Multi-Mode Spatial Signal Processor with Rainbow-like Fast Beam Training and Wideband Communications Using True-Time-Delay Arrays.” ArXiv.org, 8 Jan. 2022, arxiv.org/abs/2201.02727.

H. Hu and S. Gupta, "A 0.22-μW Single-Bit VCO-Based Time-Domain Sensor-to-Digital Front-End With Reduced Supply Sensitivity," in IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 69, no. 1, pp. 148-159, Jan. 2022, doi: 10.1109/TCSI.2021.3096838.

2021

V. Boljanovic et al., "Fast Beam Training With True-Time-Delay Arrays in Wideband Millimeter-Wave Systems," in IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 68, no. 4, pp. 1727-1739, April 2021, doi: 10.1109/TCSI.2021.3054428. 

E. Ghaderi and S. Gupta, "A Four-Element 500-MHz 40-mW 6-bit ADC-Enabled Time-Domain Spatial Signal Processor," in IEEE Journal of Solid-State Circuits, vol. 56, no. 6, pp. 1784-1794, June 2021, doi: 10.1109/JSSC.2020.3040702.

P. Agarwal, M. Chahardori and D. Heo, "A New Boosted Active-Capacitor With Negative-Gm for Wide Tuning Range VCOs," in IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 68, no. 3, pp. 1080-1090, March 2021, doi: 10.1109/TCSI.2020.3043405.

S. Sengupta and M. L. Johnston, "A Widely Reconfigurable Piecewise-Linear ADC for Information-Aware Quantization," in IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 68, no. 4, pp. 1073-1077, April 2021, doi: 10.1109/TCSII.2020.3031262.

J. Kim, C. Votzke, S. Bose, A. Natarajan and M. L. Johnston, "A 20 μ W, 0.05mm2 Duty-Cycled Resistor and Frequency-Locked-Loop-based Wheatstone Bridge Interface for Low Resistance Sensing Systems," 2021 IEEE Custom Integrated Circuits Conference (CICC), 2021, pp. 1-2, doi: 10.1109/CICC51472.2021.9431533.

C. Y. Lee, P. K. Venkatachala, A. ElShater and U. -K. Moon, "A Pseudo-Pseudo-Differential ADC Achieving 105dB SNDR in 10kHz Bandwidth Using Ring Amplifier Based Integrators," in IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 68, no. 7, pp. 2327-2331, July 2021, doi: 10.1109/TCSII.2021.3060011.

R. Garg et al., "A 28-GHz Beam-Space MIMO RX With Spatial Filtering and Frequency-Division Multiplexing-Based Single-Wire IF Interface," in IEEE Journal of Solid-State Circuits, vol. 56, no. 8, pp. 2295-2307, Aug. 2021, doi: 10.1109/JSSC.2020.3044089.

KD. Chu and J. C. Rudell, "A Mm-Wave Gm-Assisted Transformer-Based Matching Network 2x2 Phased-Array Receiver for 5G Communication and Radar Systems," 2021 IEEE Radio and Wireless Symposium (RWS), 2021, pp. 26-28, doi: 10.1109/RWS50353.2021.9360326.

CC. Lin, V. Boljanovic, H. Yan, E. Ghaderi, M. Mokri, J. Gaddis, A. Wadaskar, C. Puglisi, S. Mohapatra, Q. Xu, S. Poolakkal, D. Heo, S. Gupta, and D. Cabric, "Wideband Beamforming with Rainbow BeamTraining using Reconfigurable True-Time-DelayArrays for Millimeter-Wave Wireless", ArXiv.org, 30 Nov. 2021, arxiv.org/abs/2111.15191.

S. Bansal, E. Ghaderi, C. Puglisi and S. Gupta, "Neural-Network Based Self-Initializing Algorithm for Multi-Parameter Optimization of High-Speed ADCs," in IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 68, no. 1, pp. 106-110, Jan. 2021, doi: 10.1109/TCSII.2020.3012386.

V. Boljanovic, H. Yan, CC. Lin, S. Mohapatra, D. Heo, S. Gupta, and D. Cabric, "Fast Beam Training With True-Time-Delay Arrays in Wideband Millimeter-Wave Systems," in IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 68, no. 4, pp. 1727-1739, April 2021, doi: 10.1109/TCSI.2021.3054428.

H. Hu, CC. Lin and S. Gupta, "A 197.1-μW Wireless Sensor SoC With an Energy-Efficient Analog Front-End and a Harmonic Injection-Locked OOK TX," in IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 68, no. 6, pp. 2444-2456, June 2021, doi: 10.1109/TCSI.2021.3068718.

CC. Lin, C. Puglisi, S. Mohapatra, E. Ghaderi, D. Heo, S. Gupta, V. Boljanovic, H. Yan and D. Cabric, "A 4-Element 800MHz-BW 29mW True-Time-Delay Spatial Signal Processor Enabling Fast Beam-Training with Data Communications," ESSCIRC 2021 - IEEE 47th European Solid State Circuits Conference (ESSCIRC), 2021, pp. 287-290, doi: 10.1109/ESSCIRC53450.2021.9567822.

C. -C. Lin, H. Hu and S. Gupta, "Improved Performance Tradeoffs in Harmonic Injection-Locked ULP TX for Sub-GHz Radios," in IEEE Transactions on Microwave Theory and Techniques, vol. 69, no. 6, pp. 2885-2898, June 2021, doi: 10.1109/TMTT.2021.3064056.

2020

C. Aueamnuay, A. V. Kayyil, J. Liu, N. B. Thota and D. J. Allstot, "gm/ID Design Considerations for Subthreshold-Based CMOS Two-Stage Operational Amplifiers," 2020 IEEE International Symposium on Circuits and Systems (ISCAS), 2020, pp. 1-5, doi: 10.1109/ISCAS45731.2020.9180576

S. Bansal, E. Ghaderi, C. Puglisi and S. Gupta, "Neural-Network Based Self-Initializing Algorithm for Multi-Parameter Optimization of High-Speed ADCs," in IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 68, no. 1, pp. 106-110, Jan. 2021, doi: 10.1109/TCSII.2020.3012386.

M. A. Hoque, M. Chahardori, P. Agarwal, M. A. Mokri and D. Heo, "Octave Frequency Range Triple-band Low Phase Noise K/Ka-Band VCO with a New Dual-path Inductor," 2020 IEEE/MTT-S International Microwave Symposium (IMS), 2020, pp. 341-344, doi: 10.1109/IMS30576.2020.9223770.

P. Agarwal, M. Chahardori and D. Heo, “An X-band LC VCO Using a New Boosted Active Capacitor With 53 % Tuning Range and -202.4 dBc/Hz FoMT,” 2020 IEEE/MTT-S International Microwave Symposium (IMS), Los Angeles, CA, USA, 2020, pp. 357-360, doi: 10.1109/IMS30576.2020.9223827.

B. Nguyen, N. Tang, W. Hong, Z. Zhou and D. Heo, "Clock-Voltage Co-Regulator With Adaptive Power Budget Tracking for Robust Near-Threshold-Voltage Sequential Logic Circuits," in IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 67, no. 2, pp. 622-633, Feb. 2020, doi: 10.1109/TCSI.2019.2948944.

S. Gopal, S. Das, P. P. Pande and D. Heo, "A Hybrid 3D Interconnect With 2x Bandwidth Density Employing Orthogonal Simultaneous Bidirectional Signaling for 3D NoC," in IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 67, no. 11, pp. 3919-3932, Nov. 2020, doi: 10.1109/TCSI.2020.3013092.

B. Shen and M. L. Johnston, "DC-100 kHz Tunable Readout IC for Impedance Spectroscopy and Amperometric Measurement of Electrochemical Sensors," 2020 IEEE 63rd International Midwest Symposium on Circuits and Systems (MWSCAS), 2020, pp. 651-654, doi: 10.1109/MWSCAS48704.2020.9184465.

KD. Chu, S. Callender, Y. Wang, J. C. Rudell, S. Pellerano and C. Hull, "A Dual-Mode V-Band 2/4-Way Non-Uniform Power-Combining PA with +17.9-dBm Psat and 26.5-% PAE in 16-nm FinFET CMOS," 2020 IEEE Radio Frequency Integrated Circuits Symposium (RFIC), 2020, pp. 183-186, doi: 10.1109/RFIC49505.2020.9218381.

2019

K. Clocker, S. Sengupta, and M.L. Johnston, "A Fully-Integrated, Single-Element CMOS Anemometer," IEEE Sensors Letters, vol. 3, no. 2, pp. 1-4, January 2019

S. N. Ali, P. Agarwal, S. Gopal, S. Mirabbasi, and D. Heo, "A 25-35 GHz Neutralized Continuous Class-F CMOS Power Amplifier for 5G Mobile Communications Achieving 26% Modulation PAE at 1.5 Gb/s and 46.4% Peak PAE," IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 66, no. 2, pp. 834-847, February 2019

Mohamad Katanbaf, Kun-Da Chu, Tong Zhang, Chenxin Su, and Jacques C. Rudell, "Two-Way Traffic Ahead: RF\/Analog Self-Interference Cancellation Techniques and the Challenges for Future Integrated Full-Duplex Transceivers," IEEE Microwave Magazine, vol. 20, no. 2, pp. 22-35, February 2019

N. Tang, B. Nguyen, Y. Tang, W. Hong, Z. Zhou and D. Heo, "Fully Integrated Buck Converter with 78% Efficiency at 365mW Output Power Enabled by Switched-Inductor Capacitor Topology and Inductor Current Reduction Technique," 2019 IEEE International Solid-State Circuits Conference - (ISSCC), pp. 152-154, San Francisco, CA, USA, February 2019

B. Shen, S. Bose, M.L. Johnston, "A 1.2V-20V Closed-Loop Charge Pump for High Dynamic Range Photodetector Array Biasing," IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 66, no. 3, pp. 327-331, March 2019

B. Shen, S. Bose, and M.L. Johnston, " Fully-Integrated Charge Pump Design Optimization for Above-Breakdown Biasing of Single-Photon Avalanche Diodes in 0.13- μ m CMOS," IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 66, no. 3, pp. 1258-1269, March 2019

N. Tang, Y. Tang, Z. Zhou, B. Nguyen, W. Hong, P. Zhang, J. H. Kim, and D. Heo, "Analog-Assisted Digital Capacitor-Less Low-Dropout Regulator Supporting Wide Load Range,," IEEE Transactions on Industrial Electronics, vol. 66, no. 3, pp. 1799-1808, March 2019

Wang, Y. and Temes, G.C. "Scaling for Optimum Dynamic Range and Noise-Power Tradeoff: A Review of Analog Circuit Design Techniques," IEEE Solid-State Circuits Magazine, vol. 11, no. 2, pp. 98-103, Spring 2019

He, T., Kareppagoudr, M. Zhang, Y., Caceres, E., Moon, U.K. and Temes, G.C. "Noise Filtering and Linearization of Single-Ended Sampled-Data Circuits," IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 66, no. 4, pp. 1331-1341, April 2019

M. Megahed, Y. Ramadas, and T. Anand, "A Sub 1μW Switched Source + Capacitor Architecture Free of Top/Bottom Plate Parasitic Switching Loss Achieving Peak Efficiency of 80.66% at a Regulated 1.8V Output in 180nm," IEEE Custom Integrated Circuits Conference (CICC), pp. 1-4, April 2019

Bai Nguyen, Nghia Tang, Zhiyuan Zhou, Wookpyo Hong, Deukhyoun Heo, Yangyang Tang, Philipp Zhang, "A Sub-1V Analog-Assisted Inverter-Based Digital Low-Dropout Regulator with a Fast Response Time at 25mA/100ps and 99.4% Current Efficiency," 2019 IEEE Custom Integrated Circuits Conference (CICC), pp. 1-4, Austin, TX, USA, April 2019

L. Renaud, J. Baylon, S. Gopal, M. A. Hoque, and D. Heo, "Analysis of Systematic Losses in Hybrid Envelope Tracking Modulators," IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 66, no. 4, pp. 1319-1330, April 2019

Ajmal Vadakkan Kayyil, Pavan Kumar Ramakrishna, OnnLim Yong, David J. Allstot. Howard C. Yang, "A Two-Stage CMOS OTA with Load-Pole Cancellation," IEEE International Symposium on Circuits and Systems (ISCAS), pp. 1-5, Sapporo, Japan, May 2019

Calvin Yoji Lee, Ahmed ElShater, Praveen Kumar Venkatachala, Hang Hu, Bohui Xiao, and Un-Ku Moon, "Application of Ring-Amplifiers for Low-Power Wide-Bandwidth Digital Subsampling ADC-PLL," IEEE International Symposium on Circuits and Systems (ISCAS), pp. 1-5, Sapporo, Japan, May 2019

Calvin Yoji Lee, Praveen Kumar Venkatachala, Ahmed ElShater, Bohui Xiao, Hang Hu, and Un-Ku Moon, "Cascoded Ring Amplifiers for High Speed and High Accuracy Settling," IEEE International Symposium on Circuits and Systems (ISCAS), pp. 1-5, Sapporo, Japan, May 2019

Payandehnia, P. Maghami, H. Mirzaei and Temes, G.C., " An Amplifier-Free 0–2 SAR-VCO MASH ΔΣ ADC," IEEE International Symposium on Circuits and Systems (ISCAS), pp. 1-5, Sapporo, Japan, May 2019

S. Sengupta and M.L. Johnston, "Two-step, piecewise-linear SAR ADC with programmable transfer function," Electronics Letters, vol. 55, no. 8, pp. 444-446, May 2019

S. N. Ali, M. A. Hoque, S. Gopal, M. Chahardori, M. A. Mokri, and D. Heo, "A Continually-Stepped Variable-Gain LNA in 65-nm CMOS Enabled by a Tunable-Transformer for mm-Wave 5G Communications," IEEE Transactions on Microwave Theory and Techniques, pp. 926-929, June 2019

Gopal, M. Chahardori, M. A. Hoque, S. N. Ali, M. A. Mokri, and D. Heo, "Dual-Equalization-Path Energy Area-Efficient Near-Field Inductive Coupling Link for Contactless 3D IC," IEEE Transactions on Microwave Theory and Techniques, pp. 742-745, June 2019

M. A. Hoque, S. N. Ali, M. A. Mokri, S. Gopal, M. Chahardori, and D. Heo, "A Highly Efficient Dual-band Harmonic-Tuned GaN RF Synchronous Rectifier with Integrated Coupler and Phase Shifter," IEEE Transactions on Microwave Theory and Techniques, pp. 1320-1323, Jun. 2019

M. Johnson, A. Dascurcu, K. Zhan, A. Galioglu, N. Adepu, S. Jain, H. Krishnaswamy, and A. Natarajan, "A 4-element 28 GHz Millimeter-wave MIMO Array with Single-wire Interface using Code-Domain Multiplexing in 65 nm CMOS," 2019 IEEE Radio Frequency Integrated Circuits Symposium (RFIC), pp. 243-246, June 2019

Y. Liu and A. Natarajan, "A 60 GHz Polarization-Duplex TX/RX Front-End with Dual-Pol Antenna-IC Co-Integration in SiGe BiCMOS," 2019 IEEE Radio Frequency Integrated Circuits Symposium (RFIC), pp. 127-130, June 2019

S. N. Ali, P. Agarwal, S. Gopal, and D. Heo, "Transformer-Based Predistortion Linearizer for High Linearity and High Modulation Efficiency in mm-Wave 5G CMOS Power Amplifiers," IEEE Transactions on Microwave Theory and Techniques, vol. 67, no. 7, pp. 3074–3087, July 2019

J. Baylon, P. Agarwal, L. Renaud, S. Ali, D. Heo, "A Ka-Band Dual-Band Digitally-Controlled Oscillator with -195.1 dBc/Hz FoMT Based on a Compact High-Q Dual-Path Phase-Switched Inductor," IEEE Transactions on Microwave Theory and Techniques, vol. 67, no. 7, pp. 2748-2758, July 2019

Kun-Da Chu, Tong Zhang, Fucheng Yin, and Jacques C. Rudell, "Self-interference (SI) Cancellation in Full-Duplex (FD) Radios - 2017," IEEE RFIC Virtual Journal, Issue 9, July 2019

Erfan Ghaderi, Ajith Sivadhasan Ramani, Arya A. Rahimi, Deukhyoun Heo, Sudip Shekhar, Subhanshu Gupta, "An Integrated Discrete-Time Delay-Compensating Technique for Large-Array Beamformers," IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 66, no. 9, pp. 3296-3306, August 2019

Sadollahi, M. and Temes, G.C. "A 10-MHz BW 77.9 dB SNDR DT MASH ΔΣ ADC With NC-VCO-Based Quantizer and OPAMP Sharing," IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 66, no. 9, pp. 3384-3392, September 2019

2018

P. Agarwal, J-H Kim, P.P. Pande, D. Heo, "Zero-Power Feed-Forward Spur Cancelation for Supply-Regulated CMOS Ring PLLs," IEEE Transactions on Very Large Scale Integration (VLSI) Systems, vol. 26, no. 4, pp. 653-662, January 2018

P. Payandehnia, J.L. Ceballos, G.C. Temes, "Noise-shaped filter implementation," Electronics Letters, vol. 54, no. 1, pp. 20-21, January 2018

M. Sadollahi, K. Hamashita, K. Sobue and G.C.Temes, "An 11-Bit 250-nW 10-kS/s SAR ADC With Doubled Input Range for Biomedical Applications," IEEE Transactions on Circuits and Systems 1: Regular Papers, vol. 65, no. 1, pp. 61-73, January 2018

S.N. Ali, P. Agarwal, J. Baylon, S. Gopal, L. Renaud, D. Heo, "A 28 GHz 41%-PAE Linear CMOS Power Amplifier Using a Transformer-Based AM-PM Distortion-Correction Technique for 5G Phased Arrays," IEEE Intl. Solid-State Circuits Conf. (ISSCC), Session 26, pp. 406-408, February 2018, San Francisco, CA, USA

K.D. Chu, M. Katanbaf, T. Zhang, C. Su, J.C. Rudell, "A Broadband and Deep-TX Self Interference Cancellation Technique for Full-Duplex and Frequency-Domain-Duplex Transceiver Applications," IEEE International Solid-State Circuits Conf. (ISSCC), San Francisco, CA, pp. 170-172, Feb 2018

K.D. Chu, M. Katanbaf, C. Su, T. Zhang, J.C. Rudell, "Integrated CMOS Transceivers Design Towards Flexible Full Duplex (FD) and Frequency Division Duplex (FDD) Systems," (Invited) IEEE Custom Integrated Circuits Conference (CICC), San Diego, CA, pp. 1-11, April 2018

He, T. and Temes, G.C., "System-Level Noise Filtering and Linearization," (invited) IEEE Custom Integrated Circuits Conference (CICC), San Diego, CA, pp. 1-8, April 2018

H. Ouh, M.L. Johnston, "Dual-mode, In-Pixel Linear and Single-Photon Avalanche Diode Readout for Low-Light Dynamic Range Extension in Photodetector Arrays," IEEE Custom Integrated Circuits Conference (CICC), pp. 1-4, April 2018, San Diego, CA, USA

S.N. Ali, P. Agarwal, L. Renaud, R. Molavi, S. Mirabbasi, P.P. Pande, D. Heo, "A 40% PAE Frequency Reconfigurable CMOS Power Amplifier with Tunable Gate-Drain Neutralization for 28 GHz 5G Radios," IEEE Transactions on Microwave Theory and Techniques, vol. 66, no. 5, pp. 2231-2245, May 2018

H. Ouh and M.L. Johnston, " Code-Division Multiplex Encoding Analog Front End for Current-Mode Sensor Arrays," IEEE Solid-State Circuits Letters, vol. 1, no. 5, pp. 118-121, May 2018

P.K. Venkatachala, S. Leuenberger, A. ElShater, C. Lee, J. Muhlestein, B. Xiao, M. Oatman, U. Moon, "Passive Compensation for Improved Settling and Large Signal Stabilization of Ring Amplifiers," IEEE International Symposium on Circuits and Systems (ISCAS), Florence, Italy, pp. 1-5, May 2018

P.K. Venkatachala, S. Leuenberger, A. ElShater, C. Lee, Y. Xu, B. Xiao, M. Oatman, U. Moon, "Process Invariant Biasing of Ring Amplifiers Using Deadzone Regulation Circuit," IEEE International Symposium on Circuits and Systems (ISCAS), Florence, Italy, pp. 1-5, May 2018

B. Xiao, S. Leuenberger, P.K. Venkatachala, A. ElShater, C. Lee, M. Oatman, U. Moon, "Power Optimized Comparator Selecting Method For Stochastic ADC," IEEE International Symposium on Circuits and Systems (ISCAS), Florence, Italy, pp. 1-4, May 2018

S. Bose, H. Ouh, S. Sengupta, M.L. Johnston, "Parametric Study of p-n Junctions and Structures for CMOS-Integrated Single-Photon Avalanche Diodes," IEEE Sensors Journal, vol. 18, no. 13, pp. 5291-5299, July 2018

S. Gopal, P. Agarwal, J. Baylon, L. Renaud, S.N. Ali, P.P. Pande, D. Heo, "A Spatial Multi-bit Sub-1V Time-Domain Matrix Multiplier Interface for Approximate Computing in 65nm CMOS," IEEE Journal on Emerging and Selected Topics in Circuits and Systems, pp. 1-1, July 2018 (Early Access)

B. Nguyen, N. Tang, W. Hong, Z. Zhou, and D. Heo, "High-Efficiency Fully Integrated Switched Capacitor Voltage Regulator for Battery-Connected Applications in Low-Breakdown Process Technologies," IEEE Transactions on Power Electronics, vol. 33, no. 8, pp. 6858-6868, August 2018

P. Payandehnia, H. Maghami, H. Mirzaie, M. Kareppagoudr, S. Dey, M. Tohidian, G.C. Temes, "A 0.49–13.3 MHz Tunable Fourth-Order LPF with Complex Poles Achieving 28.7 dBm OIP3," IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 65, no. 8, pp. 2353-2364, August 2018

Sadollahi, M. and Temes, G.C., "Single-Loop ΔΣ ADC Using Noise-Coupled VCO Quantizer," IEEE 61st International Midwest Symposium on Circuits and Systems (MWSCAS), pp. 149-152, Windsor, Ontario, August 2018

Shi, L., Zhang, Y. Wang, Y. Kareppagoudr and Temes, G.C., "A 13b ENOB Noise Shaping SAR ADC with a Two-Capacitor DAC," IEEE 61st International Midwest Symposium on Circuits and Systems (MWSCAS), pp. 153-156, Windsor, Ontario, August 2018

Wang, Y., Shi, L., He, T, Zhang, Y. Chen, C. and Temes, G.C., "Robust Continuous-Time MASH ΔΣ Modulator," IEEE 61st International Midwest Symposium on Circuits and Systems (MWSCAS), pp. 310-313, Windsor, Ontario, August 2018

L. Zheng and A. Weisshaar, "Parameterised equivalent circuit model of frequency-dependent resistance and inductance for on-chip coplanar waveguides up to 110 GHz," Electronics Letters, vol. 54, no. 16, pp. 986-988, August 2018

X. Dong and A. Weisshaar, "Design of Compact Integrated Lumped-Element Coupled-Resonator Filters," 2018 IEEE 27th Conference on Electrical Performance of Electronic Packaging and Systems (EPEPS), pp. 289-291, San Jose, CA, October 2018

J. Baylon, X. Yu, S. Gopal, R. Molavi, S. Mirabbasi, P. Pande, and D. Heo, "A 16-Gb/s Low-Power Inductorless Wideband Gain-Boosted Baseband Amplifier with Skewed Differential Topology for Wireless Network-on-Chip," IEEE Transactions on Very Large Scale Integration (VLSI) Systems, vol. 26, no. 11, pp. 2406-2418, November 2018

P. Payandehnia ; H. Maghami ; H. Mirzaie ; G.C. Temes, "High-linearity SAR-VCO MASH ΔΣ ADC with second-order noise shaping," Electronic Letters, vol. 54 , no. 24, pp. 1366-1368, November 2018

S. Gopal, S. Das, P. Agarwal, S. N. Ali, D. Heo, and P. P. Pande, "High-Performance and Small-Form Factor Near-Field Inductive Coupling for 3-D NoC," IEEE Transactions on Very Large Scale Integration (VLSI) Systems, vol. 26, no. 12, pp. 2921-2934, December 2018

2017

P. Agarwal, S.N. Ali, D. Heo, "Reconfigurable Phased-Array Design Techniques for 5G and Beyond Communications," IEEE International Symposium on Radio-Frequency Integration Technology (RFIT), pp. 53-55, August 2017, Seoul, South Korea

B. Nguyen, N. Tang, W. Hong, Z. Zhou, D. Heo, "High Efficiency Fully Integrated Switched-Capacitor Voltage Regulator for Battery-Connected Applications in Low-Breakdown Process Technologies," IEEE Transactions on Power Electronics, vol. 33, no. 8, pp. 6858-6868, Sep. 2017

S.N. Ali, T. Johnson, D. Heo, "DC Polarity Control in Radio Frequency Synchronous Rectifier Circuits," IEEE Microwave and Wireless Components Letters, vol. 27, no. 12, pp. 1107-1109, Dec. 2017

P. Agarwal, S.P. Sah, R. Molavi, S. Mirabbasi, P.P. Pande, S.E. Oh, J-H. Kim and D. Heo, "Switched Substrate-Shield-Based Low-Loss CMOS Inductors for Wide Tuning Range VCOs," IEEE Transactions on Microwave Theory and Techniques, vol. 65, no. 8, pp. 2964-2976, August 2017

S. Ali, P. Agarwal, S. Mirabbasi and D. Heo, "A 42-46.4% PAE Continuous Class-F Power Amplifier with Cgd Neutralization at 26-34 GHz in 65 nm CMOS for 5G Applications," IEEE Radio Frequency Integrated Circuits Symposium (RFIC), pp. 212-215, June 2017, Honolulu, HI, USA

J. Baylon, S. Ali, P. Agarwal, S. Gopal and D. Heo, "Current Reuse Triple-Band Signal Source for Multi-Band Wireless Network-On-Chip," IEEE MTT-S International Microwave Symposium (IMS), pp. 1141-1144, June 2017, Honolulu, HI, USA

S. Ali, P. Agarwal, J. Baylon and D. Heo, "Reconfigurable High Efficiency Power Amplifier with Tunable Coupling Coefficient Based Transformer for 5G Applications," IEEE MTT-S International Microwave Symposium (IMS), pp. 1177-1180, June 2017, Honolulu, HI, USA

P. Agarwal, S. P. Sah, R. Molavi, S. Mirabbasi, P. P. Pande, S. E. Oh, J-H. Kim and D. Heo, "Switched Substrate-Shield-Based Low Loss CMOS Inductors for Wide Tuning Range VCOs," IEEE Transactions on Microwave Theory and Techniques, vol. 65, no. 8, August 2017

N. Tang, B. Nguyen, R. Molavi, S. Mirabbasi, Y. Tang, P. Zhang, J. Kim, P.P. Pande and D. Heo, "Fully Integrated Buck Converter with Fourth-Order Low-Pass Filter," IEEE Transactions on Power Electronics vol. 32, no. 5 , pp. 3700-3707, May 2017

B. Shen, S. Bose, and M. L. Johnston, "On-Chip High-Voltage SPAD Bias Generation Using a Dual-Mode, Closed-Loop Charge Pump," IEEE International Symposium on Circuits and Systems (ISCAS), pp. 1-4, May 2017, Baltimore, MD, USA

S. Sengupta, H. Ouh and M. Johnston, "An All-Digital CMOS Ambient Light Sensor using a Single Photon Avalanche Diode" IEEE Sensors, pp. 1-3, October 2017

H. Ouh, S. Sengupta, S. Bose and M. Johnston, "Dual-mode, Enhanced Dynamic Range CMOS Optical Sensor for Biomedical Applications," IEEE Biomedical Circuits and Systems Conference (BioCAS), pp. 1-4, October 2017, Turin, Italy

Y. Xu, J. Muhlestein, and U. Moon, "A 0.65mW 20MHz 5th-order low-pass filter with +28.8dBm IIP3 using source follower coupling," IEEE Custom Integrated Circuits Conference (CICC), pp. 1-4, April 2017, Austin, TX, USA

Y. Xu, P. K. Venkatachala and U. Moon, "A Highly Compact Wideband Continuous-Time Transimpedance Low-Pass Filter," IEEE International Symposium on Circuits and Systems (ISCAS), pp. 1-4, May 2017, Baltimore, MD, USA

R. Garg and A. Natarajan, "A 28-GHz Low-Power Phased-Array Receiver Front-End With 360° RTPS Phase Shift Range," IEEE Transactions on Microwave Theory and Techniques, vol. 65, Issue: 11, pp. 4703-4714, Nov 2017

Y. Liu, A. Natarajan, "60 GHz Concurrent Dual-Polarization RX Front-End in SiGe with Antenna-IC Co-Integration," IEEE Bipolar/BiCMOS Circuits and Technology Meeting (BCTM) pp. 42-45, October 2017, Miami, FL, USA

T. Zhang, A. Najafi, C. Su and J. C. Rudell, "A 1.7-to-2.2GHz Full-Duplex Transceiver System with >50dB Self-Interference Cancellation over 42MHz Bandwidth," IEEE International Solid-State Circuits Conference (ISSCC), pp. 314-315, Feb 2017, San Francisco, CA, USA

T. Zhang, Y. Chen, C. Huang, J.C. Rudell, "A Low-Noise Reconfigurable Full-Duplex Front-End with Self-Interference Cancellation and Harmonic-Rejection Power Amplifier for Low Power Radio Applications," 43rd IEEE European Solid State Circuits Conference (ESSCIRC), pp. 336-339, September 2017, Leuven, Belgium

Y. Zhang, C-H. Chen, T. He, G.C. Temes, " A 16 b Multi-Step Incremental Analog-to-Digital Converter With Single-Opamp Multi-Slope Extended Counting" IEEE Journal of Solid-State Circuits, vol. 52, no. 4, pp. 1066-1076, April 2017

P. Payandehnia, H. Mirzaie, H Maghami, J. Muhlestein and G. C. Temes, "Fully passive third-order noise shaping SAR ADC," Electronics Letters, vol. 53, no. 8, pp. 528-530, April 2017

M. Sadollahi and G.C. Temes, "An 11-Bit 250-nW 10-kS/s SAR ADC With Doubled Input Range for Biomedical Applications," IEEE 60th International Midwest Symposium on Circuits and Systems (MWSCAS) pp. 385-388, August 2017, Boston, MA, USA

Y. Zhang, C.H. Chen, T. He, K. Sobue, K. Hamashita and G.C. Temes, "A Two-Capacitor SAR-Assisted Multi-Step Incremental ADC with a Single Amplifier Achieving 96.6 dB SNDR over 1.2 kHz BW," IEEE Custom Integrated Circuits Conference (CICC), pp. 1-4, May 2017, Austin, TX, USA

M. Sadollahi and G.C. Temes, "An 11-Bit 250-nW 10-kS/s SAR ADC with Doubled Input Range for Biomedical Applications," IEEE 60th International Midwest Symposium on Circuits and Systems (MWSCAS), pp. 385-388, August 2017, Boston, MA, USA

Y. Jung, G.C. Temes, "A simple circuit technique to relax the feedback timing of DR ADC for high-speed and high-accuracy applications," Analog Integr Circ Sig Process vol. 97: pp. 219-223, May 2017

M. Sadollahi, G.C. Temes, "Passive 3rd Order Delta-Sigma ADC with VCO-based Quantizer," IEEE 60th International Midwest Symposium on Circuits and Systems (MWSCAS), pp. 743-746, August 2017, Boston, MA, USA

T. He, C-H. Chen, Y. Zhang, G.C. Temes, "Incremental ADC with Parallel Counting," IEEE 60th International Midwest Symposium on Circuits and Systems (MWSCAS), pp. 1017-1020, August 2017, Boston, MA, USA

T. He, M. Kareppagoudr, U. Moon, G.C. Temes, Y. Zhang "Pseudo-Pseudo-Differential Circuits," IEEE 60th International Midwest Symposium on Circuits and Systems (MWSCAS), pp. 1517-1520, August 2017, Boston, MA, USA

Y. Wang, T. He, P. Silva, Y. Zhang, G.C. Temes, "Wide-band high-accuracy ΔΣ ADC using segmented DAC with DWA and mismatch shaping" Electronics Letters, vol. 53, no. 11, pp. 713-714, 2017

V.S. Shilimkar, A. Weisshaar, "Modeling of Metal-Fill Parasitic Capacitance and Application to On-Chip Slow-Wave Structures," IEEE Transactions on Microwave Theory and Techniques, vol. 65, no. 5, pp. 1456-1464, May 2017

L. Zheng, A. Weisshaar, "Compact Scalable Modeling of mmWave Spiral Inductors," Techcon 2017

2016

T. Nguyen, P. Agarwal, and D. Heo, "A 5.8 GHz and -192.9 dBc/Hz FoMT CMOS Class-B Capacitively-Coupled VCO with Gm-Enhancement," IEEE MTT-S International Microwave Symposium (IMS2016) Digest, pp. 1-4, May 2016

S.P. Sah, P. Agarwal and D. Heo, "A Low Power Sub-Harmonic Injection Locked 2x2 mm-Wave Beamforming Receiver Array," IEEE International Symposium on Circuits and Systems (ISCAS 2016) Proceedings, May 2016, San Francisco, CA, USA

Y. Xu, P. Venkatachala, S. Leuenberger, and U. Moon, "A 7.5mW 35-70MHz 4th-order semi-passive charge-sharing band-pass filter with programmable bandwidth and 72dB stop-band rejection in 65nm CMOS," IEEE Radio Frequencies Integrated Circuits Symposium (RFIC2016) Proceedings, May 2016, San Francisco, CA, USA

Y. Xu and U. Moon, "Charge-domain switched-gm-C CBPF using semi-passive charge-sharing technique," Electronics Letters, volume 52, issue 20, pp. 1667-1669, 2016

Y. Wang, Y. Liu, A. Agrawal, and A. Natarajan, "A 74.6GHz – 83.6GHz Digitally Controlled Oscillator with 370kHz Frequency Resolution in 65nm CMOS," IEEE Radio and Wireless Symposium (RWS 2016) Proceedings, pp. 176-178, Jan. 2016, Austin, TX, USA

V. Bhagavatula, T. Zhang, A.R. Suvarna and J.C. Rudell, "An ultra-wideband millimeter-wave heterodyne receiver with a 17-GHz IF channel bandwidth using gain-equalized transformers," IEEE Journal of Solid-State Circuits, vol. 51, pp. 323-331, Feb. 2016

A. R. Suvarna, V. Bhagavatula and J. C. Rudell, "Transformer-Based Tunable Matching Network Design Techniques in 40-nm CMOS," in IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 63, no. 7, pp. 658-662, July 2016

C. Huang, Y. Chen, T. Zhang, V. Sathe, and J.C. Rudell, "A 40nm CMOS Single-Ended Switch-Capacitor Harmonic-Rejection Power Amplifier for ZigBee Applications," IEEE Radio Frequency Integrated Circuits Symposium (RFIC2016) Proceedings, pp. 2014-2017, May 2016, San Francisco, CA, USA

T. He, Y. Zhang and G.C. Temes, "Digital ELD compensation techniques with embedded truncator for continuous-time delta-sigma modulators," Electronics Letters, vol. 52, no. 1, pp. 20-21, 2016

Y. Zhang, C-H. Chen, T. He and G.C. Temes, "Multi-step incremental ADC with extended binary counting," Electronics Letters, vol. 52, no. 9, pp. 697-699, April 2016

C-H. Chen, Y. Zhang, T. He, and G.C. Temes, "An Incremental analog-to-digital converter with multi-step extended counting for sensor interfaces," IEEE International Symposium on Circuits and Systems (ISCAS), pp. 77-80, May 2016, Montreal, QC, Canada

J. Cao and G.C. Temes, "Power-on Digital Calibration Method for Delta-Sigma ADCs," IEEE International Symposium on Circuits and Systems (ISCAS) pp. 2002-2005, May 2016, Montreal, QC, Canada

Y. Zhang, C-H. Chen, T. He , G. C. Temes," A 35µW 96.8dB SNDR 1 kHz BW multi-step incremental ADC using multi-slope extended counting with a single integrator," IEEE Symposium on VLSI Circuits (VLSI-Circuits), pp. 1-2, June 2016, Honolulu, HI, USA

C-H. Chen, Y. Zhang, G.C. Temes, "History, Present State-of-Art and Future of Incremental ADCs," 42nd European Solid-State Circuits Conference (ESSCIRC), pp. 83-86, September 2016, Lausanne, Switzerland

P. Payandehnia, H. Maghami, M. Kareppagoudr and G.C. Temes, "Passive switched-capacitor filter with complex poles for high-speed applications," Electronics Letters vol. 52, no. 19, pp. 1592-1594, September 2016

L. Zheng, A.R. Ferrara, and A. Weisshaar, "Scalable Modeling of Resistive Losses 1n On-Chip Interconnects at mm-Wave Frequencies," IEEE MTT-S International Microwave Symposium (IMS), pp. 1-4, May 2016, San Francisco, CA, USA

L. Zheng, A.R. Ferrara and A. Weisshaar, "Scalable and Broadband Modeling of Coupled On-chip Spiral Inductors up to 110 GHz," IEEE 25th Conference on Electrical Performance Of Electronic Packaging And Systems (EPEPS), pp. 25-28, October 2016, San Diego, CA, USA

2015

P. Agarwal, L. Renaud, J. Bayulon, D. Majumdaar, D. Heo and C. Schlegel, "2.45 GHz, 100 Mbps BPSK-DSSS transmitter for interference-robust wireless neuroprosthetic networks," European Microwave Conference (EuMC 2015) Proceedings, pp. 877-880, September 2015, Paris, France

P. Agarwal and D. Heo, "11.5 GHz VCO with 56% Tuning Range Using Low-Loss Switched Negative-Capacitance and Inductance," Semiconductor Research Corporation (SRC) TECHCON 2015 Proceedings, Sept. 2015, Austin, TX, USA

N. Tang, W. Hong, J.-H. Kim, Y. Yan, and D. Heo, "A Sub-1-V Bulk-Driven Opamp with an Effective Transconductance-Stabilizing Technique," IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 62, no. 11, pp. 1018-1022, Nov. 2015

X. Yu, H. Rashtian, S. Mirabbasi, P. Pande, D. Heo, "An 18.7-Gb/s 60-GHz OOK Demodulator in 65-nm CMOS for Wireless Network-on Chip," IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 62, no. 3, pp. 799-806, March 2015

P. Agarwal, P.P. Pande, D. Heo, "25.3 GHz, 4.1 mW VCO with 34.8% Tuning Range Using a Switched Substrate-Shield Inductor," IEEE MTT-S International Microwave Symposium (IMS2015) Digest, pp. 1-4, May 2015, Phoenix, AZ, USA (Student Paper Competition: Second Place).

T.N. Nguyen, P.P. Pande, D. Heo, "A 5 mW, 64 GHz GM-boosted Colpitts CMOS VCO with low phase noise performance," IEEE MTT-S International Microwave Symposium (IMS), pp. 1-4, May 2015, Phoenix, AZ, USA

N. Tang, W. Hong, T. Ewing, H. Beyenal, J-H Kim, D. Heo, "A Self-Sustainable Power Management System for Reliable Power Scaling Up of Sediment Microbial Fuel Cells," IEEE Transactions on Power Electronics, vol. 30, no. 9 pp. 4626-4632, Sept. 2015

J. Lu, S. Young, I. Arel, J. Holleman, "A 1 TOPS/W Analog Deep Machine-Learning Engine With Floating-Gate Storage in 0.13 µm CMOS," IEEE Journal of Solid-State Circuits, vol. 50, no. 1, pp. 270-281, Jan. 2015

Y. Hu, H. Venkatram, N. Maghari, U. Moon, "A continuous-time delta-sigma ADC utilizing time information for two cycles of excess loop delay compensation," IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 62, no. 11, pp. 1063-1067, Nov. 2015

Y. Xu, S. Leuenberger, and U. Moon, "Highly linear continuous-time MASH delta-sigma ADC with dual VCO-based quantizers," IEEE International Symposium on Circuits and Systems (ISCAS 2015) Proceedings, pp. 2033-2036, May 2015

Y. Hu, S. Leuenberger, Y. Xu, and U. Moon, "Time-interleaved integrating quantizer incorporating channel coupling for speed and linearity enhancement," IEEE International Symposium on Circuits and Systems (ISCAS 2015) Proceedings, pp. 2249-2252, May 2015

Y. Liu, A. Agrawal and A. Natarajan, "Millimeter-wave IC-Antenna Cointegration for integrated Transmitters and Receivers," Semiconductor Research Corporation (SRC) TECHCON 2015 Proceedings, Austin, TX, Sept. 2015

Y. Liu, A. Agrawal and A. Natarajan, "Millimeter-wave IC Antenna cointegration for integrated transmitters and receivers," Workshop on "Antenna and Packaging Technologies for mm-Wave Front-end Integration" at IEEE RFIC/IMS 2015

Y. Liu, A. Agarwal, A. Natarajan, Millimeter-wave IC Antenna cointegration for integrated transmitters and receivers," IEEE Antennas and Wireless Propagation Letters, vol. 15, pp. 1848-1852, March 2016

T. Zhang, A.R. Suvarna, V. Bhagavatula, J.C. Rudell, "An Integrated CMOS Passive Self-Interference Mitigation Technique for FDD Radios," IEEE Journal of Solid-State Circuits, vol. 50, pp. 1176-1188, May 2015 (invited paper)

V. Bhagavatula, M. Taghivand, J.C. Rudell, "A compact 77% fractional bandwidth CMOS band-pass amplifier distributed with mirror-symmetric Norton transforms," IEEE Journal of Solid-State Circuits, vol. 50, pp. 1085-1093, May 2015 (invited paper)

T. Zhang, M. Taghivand, J.C. Rudell, "A 55-70 GHz Two-Stage Tunable Polyphase Filter with Feedback Control for Quadrature Generation with <2。and <0.32dB Phase/Amplitude Imbalance in 28nm CMOS Process," IEEE 41st European Solid-State Circuits Conference (ESSCIRC), pp. 60-63, September 2015, Graz, Austria

C.-H. Chen, Y Zhang, T. He, P. Chiang and G.C. Temes, "A micro-power two-step incremental analog-to-digital converter," IEEE Journal of Solid-State Circuits, vol. 50, no. 8, pp. 1796-1808, 2015

C.-H. Chen, T. He, and G.C. Temes, "Micro-power incremental ADCs," Advances in Analog Circuit Design (AACD) Workshop Proceedings, pp. 1-19, April 21-23, 2015, Neuchatel, Switzerland (invited)

C.-H. Chen, Y. Zhang, T. He and G. C. Temes, "Two-step multi-stage incremental ADC," Electronics Letters, vol. 51, no. 24, pp. 1975-1977, 2015

C.-H. Chen, T. He, Y. Zhang, and G.C. Temes, "Incremental Analog-to-Digital Converters for High Resolution Energy-Efficient Sensor Interfaces," IEEE Journal of Emerging and Selected Topics in Circuits and Systems, vol. 5, no. 4, pp. 612-623, 2015

M. Sadollahi and G. C. Temes, "Two-Stage ΔƩ ADC with Noise-Coupled VCO-based Quantizer," IEEE International Symposium on Circuits and Systems (ISCAS), pp. 305-308, May 2015, Lisbon, Portugal

V. Behraven, S. Li, N.E. Glover, C-H. Chen, M. Shoaib, G.C. Temes, P.Y. Chiang, "A Compressed-Sensing Sensor-on Chip Incorporating Statistics Collection to Improve Reconstruction Performance," IEEE Custom Integrated Circuits Conference (CICC 2015), pp. 1-4, September 2015, San Jose, CA, USA

X. Meng, J. Cao, T. He, Y. Zhang, G.C. Temes, M. Aniya, K. Sobue, K. Hamashita "A 19.2-mW, 81.6-dB SNDR, 4-MHz Bandwidth Delta-Sigma Modulator With Shifted Loop Delays," IEEE European Solid-State Device Research & Circuits Conference (ESSDERC), pp. 221-224, September 2015, Graz Austria

X. Meng, Y. Zhang, T. He, P. Payandehnia, G.C. Temes, "A noise-coupled time-interleaved ΔƩ modulator with shifted group delay," IEEE International Symposium on Circuits and Systems (ISCAS), pp. 2045-2048, May 2015, Lisbon, Portugal

Y. Zhang, C.-H. Chen, T. He, G.C. Temes, "A Continuous-Time Delta-Sigma Modulator for Biomedical Ultrasound Beamformer Using Digital ELD Compensation and FIR Feedback," IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 62, no. 7, pp. 1689-1698, 2015

X. Meng, Y. Zhang, T. He, G.C. Temes, "Low-distortion wideband delta-sigma ADCs with shifted loop delays," IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 62, no. 2, pp. 376-384, October 2014

P. Payandehnia, A.F. Yeknami, X. Meng, C. Yang, G.C. Temes, "A passive CMOS low-pass filter for high speed and high SNDR applications," IEEE International Symposium on Circuits and Systems (ISCAS), pp. 285-288, May 2015, Lisbon, Portugal

T. He, Y. Zhang, X. Meng, G.C. Temes, C.H. Chen, "A 16-bit 1KHz bandwidth micro-power multi-step incremental ADC for multi-channel sensor interface," IEEE International Symposium on Circuits and Systems (ISCAS), pp. 1018-1021, May 2015, Lisbon, Portugal

X. Meng, Y. Zhang, T. He, P. Payandehnia, G.C. Temes, "A noise-coupled time interleaved ΔƩ modulator with shifted group delay," IEEE International Symposium on Circuits and Systems (ISCAS), pp. 2045-2048, May 2015, Lisbon, Portugal

L. Zheng and A. Weisshaar, "Scalable and Compact Modeling of On-Chip Interconnects from DC to mm-Wave Frequencies," Semiconductor Research Corporation (SRC) TECHCON 2015 Proceedings, September 2015, Austin, TX

2014

P. Agarwal, S.P. Sah, and D. Heo, "A Low Power, Sub-Harmonic Injection Locked Receiver for mm-Wave Beamforming Applications," Semiconductor Research Corporation (SRC) TECHCON 2014 Proceedings, Austin, TX, Sept. 2014

S.P. Sah, P. Agarwal, and D. Heo, "On the Effects of Mismatch on Quadrature Accuracy in Tapped-Capacitor Load Independent Quadrature LC-Oscillators," IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 61, no.5, pp. 1409-1415, May 2014

P. Agarwal, S.P. Sah and D. Heo, "A 4.8 mW, 4.4 dB NF, Wideband LNA Using Positively Coupled Transformer for V-band Applications," IEEE MTT-S International Microwave Symposium (IMS2014) Digest, pp. 1-3, Tampa FL, May 2014

S.P. Sah, and D. Heo, "A 12 GHz IF Bandwidth Low Power 5-17 GHz V-Band Positive Transformer-Feedback Down-Conversion Mixer," IEEE MTT-S International Microwave Symposium (IMS2014) Digest, pp. 1-4, Tampa FL, May 2014

S.P. Sah, S. Mirabbasi, and D. Heo, "An Inductively Gm Enhanced 34 GHz VCO with Gain Linearization and Switched Transformer Tuning," IEEE MTT-S International Microwave Symposium (IMS2014) Digest, pp. 1-4, Tampa FL, May 2014

S.P. Sah, and D. Heo, "An 8th Sub-Harmonic Injection Locked V-band VCO for Low Power LO Routing in mm-Wave Beamformers," IEEE Radio Frequency Integrated Circuits Symposium (RFIC2014) Digest of Papers, pp. 177-180, Tampa FL, May 2014

S.P. Sah, P. Agarwal and D.Heo, "A Low Power 8th Sub-Harmonic Injection Locked Receiver for mm-Wave Beamforming Applications," IEEE Radio Frequency Integrated Circuits Symposium (RFIC2014) Digest of Papers, pp. 401-404, Tampa FL, May 2014

S.P. Sah, Y. You, P. Agarwal and D. Heo, "A 8-40 GHz, 8 mW LNA with 27 dB Peak Gain and 5.2 dB NF for Multiband Applications," IEEE European Microwave Integrated Circuit Conference (EuMIC 2014) Proceedings, pp. 182-185, Oct. 2014

X. Yu, S.P. Sah, H. Rashtian, S. Mirabbasi, P.P. Pande, and D. Heo, "A 1.2-pJ/bit 16 Gb/s 60 GHz OOK Transmitter in 65-nm CMOS for Wireless Network-On-Chip," IEEE Transactions on Microwave Theory and Techniques, vol. 62, no. 10, pp. 2357-2369, Oct 2014

X. Yu, J. Baylon, P. Wettin, D. Heo, P. Pande and S. Mirabbasi, "Architecture and Design of Multi-Channel Millimeter Wave Network-on-Chip," IEEE Design & Test, vol. 31, no. 6, pp. 19-28, Dec 2014

X. Yu, D. Heo, P.P. Pande, and S. Mirabbasi, "A 60-GHz LNA with Feed-Forward Bandwidth Extension Technique for Wireless NoC Application," IEEE European Microwave Integrated Circuit Conference (EuMIC 2014) Proceedings, pp. 1472-1475, Oct. 2014

P. Agarwal, J. Baylon, S.P. Sah, D. Majumdar, D. Heo and C. Schlegel, "A 330 µW, Gm-boosted VCO with −205 dB FoMT and 35 % tuning range using class-b biasing," IEEE MTT-S International Microwave Symposium (IMS2014) Digest, pp. 1-4, May 2014

H. Peng, N. Tang, Y. Yang and D. Heo, "CMOS Startup Charge Pump with Body Bias and Backward Control for Energy Harvesting Step-up Converters," IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 61, no. 6, pp. 1618-1628, June 2014

T. Oh, H. Venkatram, and U. Moon, "A time-based pipelined ADC using both voltage and time domain information," IEEE Journal of Solid-State Circuits, vol. 49, no. 4, pp. 961-971, Apr. 2014

S. Weaver, B. Hershberg, and U. Moon, "Digitally synthesized stochastic flash ADC using only standard digital cells," IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 61, no. 1, pp. 84-91, Jan. 2014

Y. Hu, Y. Xu, and U. Moon, "Inherently linear time symmetric pulse width modulation," IEEE Custom International Circuits Conference (CICC 2014) Proceedings, pp. 1-4, Sept. 2014

Y. Hu, F. Farahbakhshian, and U. Moon, "Time amplifiers based on phase accumulation," IEEE International Symposium on Circuits and Systems (ISCAS 2014), pp. 2349-2352, June 2014

J. Cheng, N. Qi, P.Y. Chiang, and A. Natarajan, "A 1.3 mW 0.6V WBAN-Compatible Sub-Sampling PSK Receiver in 65nm CMOS," IEEE International Solid-State Circuits Conference (ISSCC 2014) Digest of Technical Papers, pp. 168-169, Feb. 2014

T. Zhang, A. Suvarna, V. Bhagavatula, and J.C Rudell, "An Integrated CMOS Passive Transmitter Leakage Suppression Technique for FDD Radios," IEEE Radio Frequency Integrated Circuits Symposium (RFIC2014) Digest of Papers, pp. 43-46, May 2014

J.C. Rudell, V. Bhagavatula and W. Wesson, "Future Integrated Sensor Radios for Long-Haul Communication," IEEE Communications Magazine, vol. 52, pp. 101-109, 2014 (invited paper)

V. Bhagavatula, M. Taghivand and J.C. Rudell, "A compact 24-54 GHz CMOS band-pass distributed amplifier for high fractional bandwidth signal amplification," IEEE Radio Frequency Integrated Circuits Symposium (RFIC2014) Digest of Papers, pp. 71-74, May 2014 (winner of Best Student Paper Award)

X. Meng, G.C. Temes, "Double-sampled wideband delta-sigma ADCs with shifted loop delays," Electronics Letters, vol. 50, no. 11, 794-795, May 2014

X. Meng and G.C. Temes, "Double-sampled wideband delta-sigma ADC with shifted loop delays," IEEE International Midwest Symposium on Circuits and Systems (MWSCAS 2014) Proceedings, pp. 1045-1048, Aug. 2014

W. Li, T. Wang, J.A. Grilo, and G.C. Temes, "A 0.45mW 12b 12.5MS/s SAR ADC with digital calibration," IEEE Custom Integrated Circuits Conference (CICC 2014) Proceedings, pp. 1-4, Sept. 2014

C.H. Chen, Y. Zhang, T. He, P.Y. Chiang, and G.C. Temes, "A 11µW 250 Hz BW two-step incremental ADC with 100 dB DR and 91 dB SNDR for integrated sensor interfaces," IEEE Custom Integrated Circuits Conference (CICC 2014) Proceedings, pp. 1-4, Sept. 2014

X. Meng, and G.C. Temes, "A noise-coupled low-distortion delta sigma ADC with shifted loop delays," IEEE International Midwest Symposium on Circuits and Systems (MWSCAS 2014) Proceedings, pp. 587-590, Aug. 2014

X. Meng and G.C. Temes, "Bootstrapping Techniques for Floating Switches in Switched-Capacitor Circuits," IEEE International Midwest Symposium on Circuits and Systems (MWSCAS 2014) Proceedings, pp. 398-401, Aug. 2014

X. Meng, G.C. Temes, and T. Wang, "A Low-Power Parasitic-Insensitive Switched-Capacitor Integrator for ΔƩ ADCs," IEEE International Symposium on Circuits and Systems (ISCAS 2014) Proceedings, pp. 986-989, June 2014

X. Meng, W. Li, and G.C. Temes, "A Fully Differential Input Amplifier With Bandpass Filter for Biosensors," IEEE International Symposium on Circuits and Systems (ISCAS 2014) Proceedings, pp. 21-24, June 2014

Y. Zhang, C.-H. Chen, T. He, and G.C. Temes, "A Continuous-Time ΔƩ Modulator with a Digital Technique for Excess Loop Delay Compensation," IEEE International Symposium on Circuits and Systems (ISCAS 2014) Proceedings, pp. 934-937, June 2014

X. Meng and G.C. Temes, "Low-power duty-cycle tuned filters," IEEE International Midwest Symposium on Circuits and Systems (MWSCAS 2014) Proceedings, pp. 1033-1036, Aug. 2014

V.S. Shilimkar, S.G. Gaskill, and A. Weisshaar, "Scalable Modeling of On-chip Spiral Inductors including Metal Fill Parasitics," IEEE MTT-S International Microwave Symposium (IMS2014) Proceedings, pp. 1-4, May 2014.

L. Zheng, S.G. Gaskill, and A. Weisshaar, "A Scalable Wideband Equivalent Circuit Model for On-chip Microstrips up to 110 GHz," IEEE 23rd Conference on Electrical Performance of Electronic Packaging and Systems (EPEPS 2014) Proceedings, pp. 141-144, Oct. 2014

2013

C. Ma, C. Hu, J. Cheng, L. Xia and P.Y. Chiang, "A Near-Threshold, 0.16 nJ/b OOK-Transmitter with 0.18 nJ/b Noise-Cancelling Super-Regenerative Receiver for the Medical Implant Communications Service," IEEE Transactions on Biomedical Circuits and Systems, vol. 7, no. 6, pp. 841-850, Dec. 2013P.

Agarwal, S.P. Sah, and D. Heo, "A Low Leakage Pull-Down Network for PLL with 6.7 dB Improvement in Reference Spur," Asia Pacific Microwave Conference (APMC 2013) Proceedings, pp. 98-100, 2013

S.P. Sah and D. Heo, "An Ultra-Wideband 15-35 GHz Phase-Shifter for Beamforming Applications," European Microwave Integrated Circuits Conference (EuMIC 2013) Proceedings, pp. 264-267, Oct. 2013

Y. You, S. Zhu, K.F. Warnick, S.P. Sah, and D. Heo, "A Low Phase Error X-band Eight-Channel SiGe PIN Diode Phased Array Receiver," European Microwave Integrated Circuits Conference (EuMIC 2013) Proceedings, pp. 268-271, Oct. 2013

S. Zhu, Y. You, K.F. Warnick, S.P. Sah and D. Heo, "An 8-channel Ku Band Transmitter Beamformer with Low Gain/Phase Imbalance between Channels," European Microwave Conference (EuMW 2013) Proceedings, pp. 947-950, Oct. 2013

S.P. Sah and D. Heo, "A Low Power K− and Ka−band Receiver for Beamforming Applications," Semiconductor Research Corporation (SRC) TECHCON 2013 Proceedings, Austin, TX, Sept. 2013

S.P. Sah, X. Yu, P. Agarwal, Hooman Rashtian, P. P. Pande, D. Heo and Shahriar Mirabbasi, "A V-band Wide Locking Range Injection Locked CMOS VCO for Wireless Network-on-Chip Receiver," IEEE MTT-S International Microwave Symposium (IMS2013) Digest, pp. 1-4, June 2013

S.P. Sah, S. Zhu, T. N. Nguyen, X. Yu and D. Heo, "A 12-40 GHz Low Phase Variation Highly Linear BiCMOS Variable Gain Amplifier," IEEE International Symposium on Circuits and Systems (ISCAS), pp. 1119-1122, May 2013

P. Liu, S. P. Sah, X. Yu, J. Jung, P. Upadhyaya, T.N. Nguyen, and D. Heo, "Design Techniques for Load Independent Direct Bulk-Coupled Low Power QVCO," IEEE Transactions on Microwave Theory and Techniques, vol. 61, no. 10, pp. 3658-3665, Oct. 2013

S.P. Sah, X. Yu and D. Heo, "Design and Analysis of an Ultra-Wideband 15-35 GHz Quadrature Phase-Shifter with Inductive Loading," IEEE Transactions on Microwave Theory and Techniques, vol. 68, no. 8, pp. 3024-3033, Aug. 2013

J. Jung, P. Upadyaya, D. Heo, J.-H. Kim, and B.-S. Kim, "Wide Tuning Range LC VCO with Parallel Coupled Negative gm Cells," Electronic Letters, vol. 49, Issue 9, pp. 627-628, April 2013

C. Donovana, A. Dewan, D. Heo, Z. Lewandowski, and H. Beyenal, "Sediment microbial fuel cell powering a submersible ultrasonic receiver: New approach to remote monitoring," Journal of Power Sources, vol. 233, pp. 79-85, July 2013

T. Oh, N. Maghari, and U. Moon, "A second-order delta-sigma ADC using noise-shaped two-step integrating quantizer," IEEE Journal of Solid-State Circuits, vol. 48, no. 6, pp. 1465-1474, June 2013

O. Rajaee and U. Moon, "Highly linear noise-shaped pipelined ADC utilizing a relaxed accuracy front-end," IEEE Journal of Solid-State Circuits, vol. 48, no. 2, pp. 502-515, Feb. 2013

T. Oh, H. Venkatram, and U. Moon, "A 70MS/s 69.3dB SNDR 38.2fJ/conversion-step time-based pipelined ADC," IEEE Symposium on VLSI Circuits Digest of Papers, pp. 96-97, June 2013

V. Bhagavatula, W. Wesson, S. Shin, and J. Rudell, "A Fully-Integrated, Regulator-less CMOS Power Amplifier for Long-Range Wireless Sensor Communications," IEEE Journal of Solid-State Circuits, vol. 48, pp. 1225-1236, May 2013 (invited paper)

C.-H. Chen, Y. Zhang, T. Jung, T. He, L. Ceballos, and G.C. Temes, "Two-step incremental analog-to-digital converter," Electronics Letters, vol. 49, no. 4 pp. 250-251, 2013

C-.H. Chen, Y. Jung, J.L. Ceballos, and G.C. Temes, "Multi-step extended-counting analogue-to-digital converters," Electronics Letters, vol. 49, no. 1 pp. 30-31, 2013

C.-H. Chen, Y. Zhang, J.L. Ceballos, and G.C. Temes, "Noise-shaping SAR ADC using three capacitors," Electronics Letters, vol. 49, no. 3, pp. 182-184, 2013

C.-H. Chen, Y. Zhang, Y. Jung, T. He, J.L. Ceballos, and G.C. Temes, "Two-step incremental analogue-digital converter," Electronics Letters, vol. 49, no. 4, pp. 250-251, 2013

Y. Zhang, C.H. Chen, and G.C. Temes, "An efficient technique for excess loop delay compensation in continuous-time ΔƩ modulators," Electronics Letters, vol. 49, no. 24 pp. 1522-1523, 2013

V. S. Shilimkar, S. G. Gaskill, and A. Weisshaar, "Modeling and Characterization of Metal Fill Parasitics in Radio Frequency Integrated Circuits," Semiconductor Research Corporation (SRC) TECHCON 2013 Proceedings, Austin, TX, Sept. 2013 (winner of Best of Session Award)

S. G. Gaskill, V. S. Shilimkar, and A. Weisshaar, "High-frequency modeling of metal fill eddy-current loss in integrated circuits," 2013 European Microwave Conference (EuMC 2013) Proceedings, pp. 975 – 978, Oct. 2013

V. S. Shilimkar, S. G. Gaskill, and A. Weisshaar, "Broadband Characterization of On-chip RF Spiral Inductor using Multi-line TRL Calibration," ARFTG 82nd Microwave Measurement Conference Proceedings, pp. 1-4, Nov. 2013

2012

X. Pu, L. Wan, Y. Sheng, P. Chiang, Y. Qin, and Z. Hong, "A Wireless 8-Channel ECG Biopotential Acquisition System for Dry Electrodes," 2012 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT 2012) Proceedings, pp. 140-142, Nov. 2012

R. Pawlowski, E. Krimer, J. Crop, J. Postman, N. Moezzi-Madani, M. Erez, and P. Chiang, "A 530mV 10-Lane SIMD Processor With Variation Resiliency in 45nm SOI," IEEE International Solid-State Circuits Conference (ISSCC 2012) Digest, pp. 492-494, Feb. 2012

N.-J. Oh and D. Heo, "A Low-power, Low Phase Noise CMOS VCO with Suppression of 1/f Flicker Noise Up-conversion," IEICE Electronics Express, vol. 9, no. 24, pp. 1881-1886, Dec. 2012

S. Zhu, A. O. Mikul, P. Sun, Y. You, J.-H. Kim, B.-S. Kim and D. Heo, "Inductor-less SiGe pin diode attenuator with low phase variations," Electronics Letters, vol. 48, issue 20, pp. 1287 - 1289, Sept. 2012

P. Liu, P. Sun, J. jung and D. Heo, "PLL charge pump with adaptive body-bias compensation for minimum current variation," Electronics Letters, vol. 48, issue 1, pp. 16-18, 2012

P. Liu, S. P. Sah, J. Jung, P. Upadhyaya and D. Heo, "Load Independent Bulk-Coupled Low Power Quadrature LC VCO," IEEE MTT-S International Microwave Symposium (IMS2012) Digest, pp. 1-3, June 2012

O. Mikul, S. Zhu, P. Sun, Y. You, S. P. Sah and D. Heo, "Compact Low Phase Imbalance Broadband Attenuator based on SiGe PIN Diode," IEEE MTT-S International Microwave Symposium (IMS 2012) Digest, pp. 1-3, June 2012

J. Guerber, H. Venkatram, M. Gande, A. Waters, and U. Moon "A 10-b ternary SAR ADC with quantization time information utilization," IEEE Journal of Solid-State Circuits, vol. 47, no. 11, pp. 2604-2613, Nov. 2012

J. Guerber, M. Gande, and U. Moon "The analysis and application of redundant multistage ADC resolution improvements through PDF residue shaping," IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 59, no. 8, pp. 1733-1742, Aug. 2012

V. Bhagavatula and J.C. Rudell, "Strategies for Highly-Integrated Long-Range Silicon Transceivers for Sensor Data Communication," IEEE International Midwest Symposium on Circuits and Systems (MWSCAS 2012) Proceedings, pp. 690-693, 2012

W. Wesson, V. Bhagavatula, K.W. Pang, S. Shin, P. Yang and J.C. Rudell, "A Long-Range, Fully-Integrated, Regulator-less CMOS Power Amplifier for Wireless Sensor Communications," IEEE Radio Frequency Integrated Circuits Symposium (RFIC2012), pp. 145-148, 2012

V. Bhagavatula and J.C. Rudell, "Transformer Feedback based CMOS Amplifiers," IEEE International Symposium on Circuits and Systems (ISCAS 2012) Proceedings, pp. 237-240, 2012

Y. Jung, S. Lee, C.-H. Chen, and G.C. Temes, "Double Noise Coupling ΔΣ Analogue-to-Digital Converter," Electronics Letters, vol. 48, no. 10, pp. 557-558, May 2012

W. Li, T. Wang, J. Cao, and G.C. Temes, "Teraohm On-Chip Resistance Realization Using Switched Capacitor Topologies," Electronics Letters, vol. 48, no. 11, pp. 623–624, May 2012

W. Yu and G.C. Temes, "A Digital DAC Calibration Technique for ΔΣ and Incremental Modulators," Electronics Letters, vol. 48, no. 13, pp. 754-755, June 2012

X. Meng, T. Wang, and G.C. Temes, "Charge Compensation Technique for Switched-Capacitor Circuits," Electronic Letters, vol. 48, no. 16, pp. 988-990, Aug. 2012

R. Zanbaghi, S. Saxena, G.C. Temes, and T.S. Fiez, "A 75 dB SNDR, 10 MHz Conversion Bandwidth Stage-Shared 2-2 Mash ΔΣ Modulator Dissipating 9 mW," IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 59, no. 8, pp. 1614-1625, Aug. 2012

T. Tong, W. Yu, P.K. Hanumolu, and G.C. Temes, "Calibration Techniques for SAR ADCs," Analog Integrated Circuits and Signal Processing, 73(1), pp. 301-309, Oct. 2012

W. Li and G.C. Temes, "Digital Foreground Calibration Methods for SAR ADCs," IEEE International Symposium on Circuits and Systems (ISCAS 2012) Proceedings, pp. 1054-1057, May 2012

C.-H. Chen, J. Crop, J. Chae, P. Chiang, and G.C. Temes "A 12-Bit, 7 uW/Channel, 1 kHz/Channel Incremental ADC for Biosensor Interface Circuits," IEEE International Symposium on Circuits and Systems (ISCAS 2012) Proceedings, pp. 2969-2972, May 2012

J. Cao, R. Raich, G. Cauwenberghs, G.C. and Temes, "Multi-Channel Mixed-Signal Noise Source with Applications to Stochastic Equalization," IEEE International Symposium on Circuits and Systems (ISCAS 2012) Proceedings, pp. 2497-2500, May 2012

T. Tong and G.C. Temes, "Calibration Technique for SAR Analog-to-Digital Converters," IEEE International Symposium on Circuits and Systems (ISCAS 2012) Proceedings, pp. 2993-2996, May 2012

T. Wang, W. Li, H. Yoshizawa, M. Aslan, and G.C. Temes, "A 101-dB DR 1.1-mW Audio ΔΣ Modulator with Direct-Charge-Transfer Adder and Noise Shaping Enhancement," IEEE Asian Solid-State Circuits Conference (A-SSCC) Proceedings, pp. 249-252, Kobe, Japan, Nov. 12-14, 2012

V.S. Shilimkar, S.G. Gaskill, and A. Weisshaar, "Efficient Modeling of Metal Fill Parasitic Capacitance in On-Chip Transmission Lines," IEEE MTT-S International Microwave Symposium (IMS2012) Digest, pp. 1-3, June 2012