Research

CDADIC Publications

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

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

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

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 Networks implemented in 40nm CMOS,” IEEE Transactions on Circuits and Systems II: Express Briefs, available in IEEE Xplore Early Access; to be printed in 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

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

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 2016) Proceedings, May 2016

J. Cao and G.C. Temes, “Power-on Digital Calibration Method for Delta-Sigma ADCs,” IEEE International Symposium on Circuits and Systems (ISCAS 2016) Proceedings, May 2016

L. Zheng, A. Ferrara, and A. Weisshaar, “Scalable Modeling of Resistive Losses in On-Chip Interconnects at mm-Wave Frequencies,” IEEE MTT-S International Microwave Symposium (IMS2016) Digest, pp. 1-4, May 2016.

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, Sept. 2015

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, Austin, TX, Sept. 2015

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, and 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, and 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 (Student Paper Competition: Second Place).

T.N. Nguyen, P.P. Pande and D. Heo, “A 5 mW, 64 GHz GM-boosted Colpitts CMOS VCO with low phase noise performance,” IEEE MTT-S International Microwave Symposium (IMS2015) Digest, pp. 1-4, May 2015

N. Tang, W. Hong, T. Ewing, H. Beyenal, J-H Kim, and 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 and 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, and 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, 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

T. Zhang, A.R. Suvarna, V. Bhagavatula and 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 and J.C. Rudell, “A compact 77% fractional bandwidth CMOS band-pass 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 and J.C. Rudell, “A 55-70 GHz Two-Stage Tunable Polyphase Filter with Feedback Control for Quadrature Generation with <2and <0.32dB Phase/Amplitude Imbalance in 28nm CMOS Process,” IEEE European Solid-State Circuits Conference (ESSCIRC 2015) Proceedings, pp. 60-63, 2015

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 2015) Workshop Proceedings, pp. 1-19 , Neuchatel, Switzerland, April 21-23, 2015 (invited)

C.-H. Chen, Y. Zhang, T. He, G. 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. Temes, “Two-Stage ΔƩ ADC with Noise-Coupled VCO-based Quantizer,” IEEE International Symposium on Circuits and Systems (ISCAS 2015) Proceedings, pp. 305-308, Lisbon, Portugal, May 24-27, 2015

V. Behraven, S. Li, N. Glover, C.-H. Chen, M. Shoaib, G. Temes and P.Y. Chiang, “A Compressed-Sensing Sensor-on Chip Incorporating Statistics Collection to Improve Reconstruction Performance,” IEEE Custom Integrated Circuits Conference (CICC 2015) Proceedings, pp. 1-4, San Jose, CA, Sept. 1-21, 2015

X. Meng, J. Cao, T. He, Y. Zhang, G.C. Temes, M. Aniya, K. Sobue, and 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 2015) Proceedings, pp. 221-224, Graz Austria, September 14-18, 2015

X. Meng, Y. Zhang, T. He,  P. Payandehnia, and G.C. Temes, “A noise-coupled time-interleaved ΔƩ modulator with shifted group delay,” IEEE International Symposium on Circuits and Systems (ISCAS 2015) Proceedings, pp. 2045-2048, Lisbon, Portugal, May 24-27, 2015

Y. Zhang, C.-H. Chen, T. He and 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 and 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, 2015

P. Payandehnia, A. Fazili, X. Meng, Chao, and G.C. Temes, “A passive CMOS low-pass filter for high speed and high SNDR applications,” IEEE International Symposium on Circuits and Systems (ISCAS 2015) Proceedings, pp. 285-288, Lisbon, Portugal, May 24-27, 2015

T. He, H. Tao, Y. Zhang, X. Meng, G. Temes and 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 2015) Proceedings, pp. 1018-1021, Lisbon, Portugal, May 24-27, 2015

X. Meng, Y Ahang, T. He, P. Payandehniz and G.C. Temes, “A noise-coupled time interleaved ΔƩ modulator with shifted group delay,” IEEE International Symposium on Circuits and Systems (ISCAS 2015) Proceedings, pp. 2045-2048, Lisbon, Portugal, May 24-27, 2015

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, Austin, TX, Sept. 2015

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, 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, 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, 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, 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, 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, D. Heo, “Load Independent Bulk-Coupled Low Power Quadrature LC VCO,” IEEE MTT-S International Microwave Symposium (IMS2012) Digest, pp. 1-3, June 2012.

A. O. Mikul, S. Zhu, P. Sun, Y. You, S. P. Sah, 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

 

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