Design considerations for a 10 GHz CMOS transmit-receive switch. - K. M. Naegle; Subhanshu Gupta; David J. Allstot (ISCAS (3), 2005)

A Digital-Summing Feedforward Sigma-Delta Modulator and its Application to a Cascade ADC. - Yi Tang; Subhanshu Gupta; Jeyanandh Paramesh; David J. Allstot (ISCAS, 2007)

Hybrid modeling techniques for low OSR cascade continuous-time SigmaDelta modulators. - Subhanshu Gupta; Yi Tang; David J. Allstot; Jeyanandh Paramesh (ISCAS, 2008)

Cascaded Complex ADCs With Adaptive Digital Calibration for I/Q Mismatch. - Yi Tang; Kuang-Wei Cheng; Subhanshu Gupta; Jeyanandh Paramesh; David J. Allstot (IEEE Trans. Circuits Syst. I Regul. Pap., 2008)

A Mode-I/Mode-III UWB LNA with programmable gain and 20 dB WLAN blocker rejection in 130nm CMOS. - Subhanshu Gupta; Daibashish Gangopadhyay; David J. Allstot (ISCAS, 2010)

Multi-rate polyphase DSP and LMS calibration schemes for oversampled data conversion systems. - Subhanshu Gupta; Yi Tang; Kuang-Wei Cheng; Jeyanandh Paramesh; David J. Allstot (ICASSP, 2011)

A 0.8-2 GHz Fully-Integrated QPLL-Timed Direct-RF-Sampling Bandpass ΣΔ ADC in 0.13 µm CMOS. - Subhanshu Gupta; Daibashish Gangopadhyay; Hasnain Lakdawala; Jacques Christophe Rudell; David J. Allstot (IEEE J. Solid State Circuits, 2012)

Multi-rate Polyphase DSP and LMS Calibration Schemes for Oversampled ADCs. - Subhanshu Gupta; Yi Tang; Jeyanandh Paramesh; David J. Allstot (J. Signal Process. Syst., 2012)

Compressed Sensing Analog Front-End for Bio-Sensor Applications. - Daibashish Gangopadhyay; Emily G. Allstot; Anna M. R. Dixon; Karthik Natarajan; Subhanshu Gupta; David J. Allstot (IEEE J. Solid State Circuits, 2014)

DAC mismatch shaping for quadrature sigma-delta data converters. - Sandipan Kundu; Subhanshu Gupta; David J. Allstot; Jeyanandh Paramesh (MWSCAS, 2015)

Synchronous multi-signal acquisition for WBSNs using gold-code based joint-compressive sensing. - Arya Alex Rahimi; Leonardo Bosco Carreira; Subhanshu Gupta (BioCAS, 2016)

Lomb algorithm versus fast fourier transform in heart rate variability analyses of pain in premature infants. - Anas Delane; Jorge Bohórquez; Subhanshu Gupta; Martin Schiavenato (EMBC, 2016)

An 143nW relaxation oscillator for ultra-low power biomedical systems. - Huan Hu; Subhanshu Gupta; Martin Schiavenato (IEEE SENSORS, 2016)

A highly linear 4GS/s uncalibrated voltage-to-time converter with wide input range. - Peter Osheroff; George S. La Rue; Subhanshu Gupta (ISCAS, 2016)

Precise Placement of Precordial Electrodes with +/-0.5 cm Accuracy for Recording ECG in Self-operable Diagnostic Devices. - Kavita Shashank; Sakire Arslan Ay; Ankit Fulzele; R. C. Ram; Huan Hu; Subhanshu Gupta (AHFE (6), 2017)

A compressive sensing information aware analog front end for IoT sensors using adaptive clocking techniques. - Arya A. Rahimi; Huan Hu; Subhanshu Gupta (MWSCAS, 2017)

Frequency-Channelized Mismatch-Shaped Quadrature Data Converters for Carrier Aggregation in MU-MIMO LTE-A. - Sandipan Kundu; Subhanshu Gupta; David J. Allstot; Jeyanandh Paramesh (IEEE Trans. Circuits Syst. I Regul. Pap., 2017)

A 3.51µW 0.31µVrms Biofuel Cell Enabled Integrated Analog CMOS Front-End in 130 nm CMOS. - Huan Hu; Tanzila Islam; Chung-Ching Lin; Alla Kostyukova; Su Ha; Subhanshu Gupta (BioCAS, 2018)

Energy-Efficient Serialized Walsh-Hadamard Transform Based Feature-Extraction for Information-Aware Compressive Sensing. - Arya Alex Rahimi; Huan Hu; Krishnamoorthy Sivakumar; Subhanshu Gupta (ISCAS, 2018)

A Hybrid ΔΣ/Nyquist Rate Switched Capacitor Power Amplifier in 65nm CMOS. - Qiuyan Xu; Subhanshu Gupta; Ali Azam; Zhidong Bai; Jeffrey S. Walling (MWSCAS, 2018)

A 25.6μW 8.97ps Period Jitter Phase-Locked Relaxation Oscillator with sub-1µS Start-Up for Low-Power IoT. - Siva Kumar Govindan; Huan Hu; Chung-Ching Lin; Subhanshu Gupta (ISCAS, 2019)

An Integrated Discrete-Time Delay-Compensating Technique for Large-Array Beamformers. - Erfan Ghaderi; Ajith Sivadhasan Ramani; Arya A. Rahimi; Deukhyoun Heo; Sudip Shekhar; Subhanshu Gupta (IEEE Trans. Circuits Syst. I Regul. Pap., 2019)

From Battery Enabled to Natural Harvesting: Enzymatic BioFuel Cell Assisted Integrated Analog Front-End in 130nm CMOS for Long-Term Monitoring. - Huan Hu; Tanzila Islam; Alla Kostyukova; Su Ha; Subhanshu Gupta (IEEE Trans. Circuits Syst. I Regul. Pap., 2019)

Experimental Testbed for Ultrasonic Wireless Power Transfer and Backscattering Based Localization for Future Implantable Devices. - Collin Kummer; Joseph Summers; Quinton Lum; Carl Sundsten; Chung-Ching Lin; Subhanshu Gupta; Stephen Seslar; Wayne Monsky (ISCAS, 2020)

A 2Vpk-pk, diff Input Range 1GS/s Voltage-to-Time Converter with Tunable Distortion Compensation. - Chase Puglisi; Erfan Ghaderi; Shrestha Bansal; George LaRue; Subhanshu Gupta (ISCAS, 2020)

10.8 A 4-Element 500MHz-Modulated-BW 40mW 6b 1GS/s Analog-Time-to-Digital-Converter-Enabled Spatial Signal Processor in 65nm CMOS. - Erfan Ghaderi; Chase Puglisi; Shrestha Bansal; Subhanshu Gupta (ISSCC, 2020)

Design of Millimeter-Wave Single-Shot Beam Training for True-Time-Delay Array. - Veljko Boljanovic; Han Yan; Erfan Ghaderi; Deukhyoun Heo; Subhanshu Gupta; Danijela Cabric (SPAWC, 2020)

Low-Latency Reconfigurable Entropy Digital True Random Number Generator With Bias Detection and Correction. - Leonardo Bosco Carreira; Paige Danielson; Arya A. Rahimi; Maximiliam Luppe; Subhanshu Gupta (IEEE Trans. Circuits Syst. I Fundam. Theory Appl., 2020)

Spur Minimization Techniques for Ultra-Low-Power Injection-Locked Transmitters. - Chung-Ching Lin; Huan Hu; Subhanshu Gupta (IEEE Trans. Circuits Syst., 2020)

A 4-Element 800MHz-BW 29mW True-Time-Delay Spatial Signal Processor Enabling Fast Beam-Training with Data Communications. - Chung-Ching Lin; Chase Puglisi; Erfan Ghaderi; Soumen Mohapatra; Deukhyoun Heo; Subhanshu Gupta; Han Yan; Veljko Boljanovic; Danijela Cabric (ESSCIRC, 2021)

Wideband Beamforming with Rainbow Beam Training using Reconfigurable True-Time-Delay Arrays for Millimeter-Wave Wireless. - Chung-Ching Lin; Veljko Boljanovic; Han Yan; Erfan Ghaderi; Mohammad Ali Mokri; Jayce Jeron Gaddis; Aditya Wadaskar; Chase Puglisi; Soumen Mohapatra; Qiuyan Xu; Sreeni Poolakkal; Deukhyoun Heo; et al. (CoRR, 2021)

A Four-Element 500-MHz 40-mW 6-bit ADC-Enabled Time-Domain Spatial Signal Processor. - Erfan Ghaderi; Subhanshu Gupta (IEEE J. Solid State Circuits, 2021)

Fast Beam Training With True-Time-Delay Arrays in Wideband Millimeter-Wave Systems. - Veljko Boljanovic; Han Yan; Chung-Ching Lin; Soumen Mohapatra; Deukhyoun Heo; Subhanshu Gupta; Danijela Cabric (IEEE Trans. Circuits Syst. I Regul. Pap., 2021)

A 197.1-μW Wireless Sensor SoC With an Energy-Efficient Analog Front-End and a Harmonic Injection-Locked OOK TX. - Huan Hu; Chung-Ching Lin; Subhanshu Gupta (IEEE Trans. Circuits Syst. I Regul. Pap., 2021)

Neural-Network Based Self-Initializing Algorithm for Multi-Parameter Optimization of High-Speed ADCs. - Shrestha Bansal; Erfan Ghaderi; Chase Puglisi; Subhanshu Gupta (IEEE Trans. Circuits Syst. II Express Briefs, 2021)

Multi-Mode Spatial Signal Processor With Rainbow-Like Fast Beam Training and Wideband Communications Using True-Time-Delay Arrays. - Chung-Ching Lin; Chase Puglisi; Veljko Boljanovic; Han Yan; Erfan Ghaderi; Jayce Jeron Gaddis; Qiuyan Xu; Sreeni Poolakkal; Danijela Cabric; Subhanshu Gupta (IEEE J. Solid State Circuits, 2022)

A 0.22-μW Single-Bit VCO-Based Time-Domain Sensor-to-Digital Front-End With Reduced Supply Sensitivity. - Huan Hu; Subhanshu Gupta (IEEE Trans. Circuits Syst. I Regul. Pap., 2022)

A Switching-Less True-Time-Delay-Based Beam Probing Approach for Ultra-Low Latency Wireless Communications: System Analysis and Demonstration. - Qiuyan Xu; Aditya Wadaskar; Chung-Ching Lin; Han Yan; Veljko Boljanovic; Subhanshu Gupta; Danijela Cabric (IEEE Trans. Circuits Syst. II Express Briefs, 2022)

A Review of CMOS Non-Foster Circuits. - Jay Kamat; Chung-Ching Lin; Pankaj Arora; Subhanshu Gupta (ISCAS, 2023)

Common-Mode Drift Resilient Ring-Oscillator-Based Time-Domain Filter for Next-Generation Wireless. - Qiuyan Xu; Chung-Ching Lin; Huan Hu; Subhanshu Gupta (MWSCAS, 2023)

Low-Power Process and Temperature-Invariant Constant Slope-and-Swing Ramp-Based Phase Interpolator. - Soumen Mohapatra; Chung-Ching Lin; Subhanshu Gupta; Deukhyoun Heo (IEEE J. Solid State Circuits, 2023)

Design Considerations of Time-Interleaved Discrete-Time Beamformers Toward Wideband Communications. - Chung-Ching Lin; Qiuyan Xu; Huan Hu; Subhanshu Gupta (IEEE Trans. Circuits Syst. II Express Briefs, 2023)

Early-Late Correlation for Wideband Interference AoA Estimation and Suppression in Analog Uniformly Spaced Linear TTD Arrays. - Foad Beheshti; Ruifu Li; Subhanshu Gupta; Danijela Cabric (IEEECONF, 2024)

Custom Over-the-air Scalable mmWave Testbed for Fast TTD-Based Rainbow Beam Training. - Mohammad Ali Mokri; Yen-Chin Wang; Ruifu Li; Aditya Wadaskar; Subhanshu Gupta; Deukhyoun Heo; Danijela Cabric (ICC, 2024)

Enhancing Continuous Beam Angle Resolution for Next Generation Wireless Systems: A Multi-Stage Phase-Shifting Polyphase Filters Approach. - Adam Slater; Hesam Abbasi; Sreeni Poolakkal; Foad Beheshti; Subhanshu Gupta (IEEE Trans. Circuits Syst. I Regul. Pap., 2024)

Demonstration of Fast OTA Chirp-Based Beam Training Using Analog TTD Array with Millimeter Wave Testbed for Applications in Radar Systems. - Aditya Wadaskar; Hesam Abbasi; Sreeni Poolakkal; Yen-Chin Wang; Benjamin W. Domae; Subhanshu Gupta; Danijela Cabric (CICC, 2025)

Dynamic Beam-Stabilized, Additive-Printed Flexible Antenna Arrays with On-Chip Rapid Insight Generation. - Sreeni Poolakkal; Abdullah Islam; Arpit Rao; Shrestha Bansal; Ted Dabrowski; Kalsi Kwan; Zhongxuan Wang; Amit Kumar Mishra; Julio Navarro; Shenqiang Ren; John Williams; Sudip Shekhar; et al. (CoRR, 2025)