University of Illinois at Urbana-Champaign

  • Urbana

    United States

Research Output 1956 2022

Filter
Conference contribution
Conference contribution

9nm node wafer defect inspection using three-dimensional scanning, a 405nm diode laser, and a broadband source

Zhou, R., Edwards, C., Bryniarski, C. A., Popescu, G. & Goddard, L. L., Jan 1 2015, Metrology, Inspection, and Process Control for Microlithography XXIX. Sanchez, M. I. & Cain, J. P. (eds.). SPIE, 942416. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9424).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Defect Inspection
Diode Laser
Wafer
Broadband
Semiconductor lasers

9nm node wafer defect inspection using visible light

Zhou, R., Edwards, C., Popescu, G. & Goddard, L. L., Jan 1 2014, Metrology, Inspection, and Process Control for Microlithography XXVIII. SPIE, 905017. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9050).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Defect Inspection
Wafer
inspection
Defects
Inspection

A >1W 2.2GHz switched-capacitor digital power amplifier with wideband mixed-domain multi-tap FIR filtering of OOB noise floor

Bhat, R., Zhou, J. & Krishnaswamy, H., Mar 2 2017, 2017 IEEE International Solid-State Circuits Conference, ISSCC 2017. Fujino, L. C. (ed.). Institute of Electrical and Electronics Engineers Inc., p. 234-235 2 p. 7870347. (Digest of Technical Papers - IEEE International Solid-State Circuits Conference; vol. 60).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Power amplifiers
Transmitters
Capacitors
Modulators
Bandwidth

A 0.0021mm2 1.82mW 2.2GHz PLL using time-based integral control in 65nm CMOS

Zhu, J., Nandwana, R. K., Shu, G., Elkholy, A., Kim, S. J. & Hanumolu, P. K., Feb 23 2016, 2016 IEEE International Solid-State Circuits Conference, ISSCC 2016. Institute of Electrical and Electronics Engineers Inc., p. 338-340 3 p. 7418045. (Digest of Technical Papers - IEEE International Solid-State Circuits Conference; vol. 59).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Phase locked loops
Capacitors
Clocks
Jitter
Digital to analog conversion

A 0.05-26 GHz direct conversion I/Q modulator MMIC

Iverson, E. W. & Feng, M., Dec 5 2014, Technical Digest - IEEE Compound Semiconductor Integrated Circuit Symposium, CSIC. Institute of Electrical and Electronics Engineers Inc., 6978527. (Technical Digest - IEEE Compound Semiconductor Integrated Circuit Symposium, CSIC).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Indium phosphide
Monolithic microwave integrated circuits
Heterojunction bipolar transistors
Voltage control
Code division multiple access

A 0.45-to-0.7V 1-to-6Gb/S 0.29-to-0.58pJ/b source-synchronous transceiver using automatic phase calibration in 65nm CMOS

Choi, W. S., Shu, G., Talegaonkar, M., Liu, Y., Wei, D., Benini, L. & Hanumolu, P. K., Mar 17 2015, 2015 IEEE International Solid-State Circuits Conference, ISSCC 2015 - Digest of Technical Papers. Institute of Electrical and Electronics Engineers Inc., p. 66-67 2 p. 7062928. (Digest of Technical Papers - IEEE International Solid-State Circuits Conference; vol. 58).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Phase noise
Transceivers
Clocks
Calibration
Phase locked loops

A 0.75-million-point fourier-transform chip for frequency-sparse signals

Abari, O., Hamed, E., Hassanieh, H., Agarwal, A., Katabi, D., Chandrakasan, A. P. & Stojanovic, V., Jan 1 2014, 2014 IEEE International Solid-State Circuits Conference, ISSCC 2014 - Digest of Technical Papers. Institute of Electrical and Electronics Engineers Inc., p. 458-459 2 p. 6757512. (Digest of Technical Papers - IEEE International Solid-State Circuits Conference; vol. 57).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Fast Fourier transforms
Fourier transforms
Pattern matching
Silicon
Application specific integrated circuits

A 0.7V time-based inductor for fully integrated low bandwidth filter applications

Salz, B., Talegaonkar, M., Shu, G., Elmallah, A., Nandwana, R., Sahoo, B. & Hanumolu, P. K., Jul 26 2017, 38th Annual Custom Integrated Circuits Conference: A Showcase for Integrated Circuit Design in Silicon Hills, CICC 2017. Institute of Electrical and Electronics Engineers Inc., 7993606. (Proceedings of the Custom Integrated Circuits Conference; vol. 2017-April).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Gyrators
Bandwidth
Electric potential
Inductance
Resistors

A 1.17 GHz wideband MEMS filter using higher order SH0 lithium niobate resonators

Song, Y. H. & Gong, S., Jul 26 2017, TRANSDUCERS 2017 - 19th International Conference on Solid-State Sensors, Actuators and Microsystems. Institute of Electrical and Electronics Engineers Inc., p. 806-809 4 p. 7994171. (TRANSDUCERS 2017 - 19th International Conference on Solid-State Sensors, Actuators and Microsystems).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

lithium niobates
microelectromechanical systems
MEMS
Resonators
Lithium

A 1.65 GHz Lithium Niobate A1 Resonator with Electromechanical Coupling of 14% and Q of 3112

Yang, Y., Lu, R. & Gong, S., Jan 2019, 2019 IEEE 32nd International Conference on Micro Electro Mechanical Systems, MEMS 2019. Institute of Electrical and Electronics Engineers Inc., p. 875-878 4 p. 8870796. (Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS); vol. 2019-January).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electromechanical coupling
lithium niobates
Resonators
Lithium
resonators

A 1.6ps peak-INL 5.3ns range two-step digital-to-time converter in 65nm CMOS

Elmallah, A., Ahmed, M. G., Elkholy, A., Choi, W. S. & Hanumolu, P. K., May 9 2018, 2018 IEEE Custom Integrated Circuits Conference, CICC 2018. Institute of Electrical and Electronics Engineers Inc., p. 1-4 4 p. (2018 IEEE Custom Integrated Circuits Conference, CICC 2018).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric delay lines
Calibration

A1.8V 30-to-70MHz 87% peak-efficiency 0.32mm2 4-phase time-based buck converter consuming 3μA/MHz quiescent current in 65nm CMOS

Kim, S. J., Nandwana, R. K., Khan, Q., Pilawa-Podgurski, R. & Hanumolu, P. K., Mar 17 2015, 2015 IEEE International Solid-State Circuits Conference, ISSCC 2015 - Digest of Technical Papers. Institute of Electrical and Electronics Engineers Inc., p. 216-217 2 p. 7063003. (Digest of Technical Papers - IEEE International Solid-State Circuits Conference; vol. 58).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Transient analysis
Ramp generators
Controllers
Switching frequency
DC-DC converters

A 1000-word vocabulary, speaker-independent, continuous live-mode speech recognizer implemented in a single FPGA

Lin, E. C., Yu, K., Rutenbar, R. A. & Chen, T., Oct 2 2007, FPGA 2007: Fifteenth ACM/SIGDA International Symposium on Field-Programmable Gate Arrays. p. 60-68 9 p. 1216928. (ACM/SIGDA International Symposium on Field Programmable Gate Arrays - FPGA).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Field programmable gate arrays (FPGA)
Hardware
Speech recognition
Application programs
Clocks

A 10-25MHz, 600mA buck converter using time-based PID compensator with 2μA/MHz quiescent current, 94% peak efficiency, and 1MHz BW

Khan, Q., Kim, S. J., Talegaonkar, M., Elshazly, A., Rao, A., Griesert, N., Winter, G., McIntyre, W. & Hanumolu, P. K., Jan 1 2014, 2014 Symposium on VLSI Circuits, VLSIC 2014 - Digest of Technical Papers. Institute of Electrical and Electronics Engineers Inc., 6858439. (IEEE Symposium on VLSI Circuits, Digest of Technical Papers).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Switching frequency
Controllers

A -106dBm 33nW Bit-Level Duty-Cycled Tuned RF Wake-up Receiver

Moody, J., Dissanayake, A., Bishop, H., Lu, R., Liu, N., Duvvuri, D., Gao, A., Truesdell, D., Barker, N. S., Gong, S., Calhoun, B. H. & Bowers, S. M., Jun 2019, 2019 Symposium on VLSI Circuits, VLSI Circuits 2019 - Digest of Technical Papers. Institute of Electrical and Electronics Engineers Inc., p. C86-C87 8777956. (IEEE Symposium on VLSI Circuits, Digest of Technical Papers; vol. 2019-June).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

MEMS

A 10-b statistical ADC employing pipelining and sub-ranging in 32nm CMOS

Tao, S., Verma, N., Corey, R. M. & Singer, A. C., Sep 25 2017, IEEE International Symposium on Circuits and Systems: From Dreams to Innovation, ISCAS 2017 - Conference Proceedings. Institute of Electrical and Electronics Engineers Inc., 8050245. (Proceedings - IEEE International Symposium on Circuits and Systems).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Error analysis

A 10Gb/s MLSE-based electronic-dispersion-compensation IC with fast power-transient management for WDM Add/drop networks

Bae, H. M., Ashbrook, J., Shanbhag, N. R. & Singer, A. C., Aug 21 2008, 2008 IEEE International Solid State Circuits Conference - Digest of Technical Papers, ISSCC. 4523143. (Digest of Technical Papers - IEEE International Solid-State Circuits Conference; vol. 51).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Dispersion compensation
Wavelength division multiplexing
Bandwidth

A 10-Gbps in0.53Ga0.47As p-i-n photodiode receiver on metamorphic InGaP buffered GaAs substrate

Liao, Y. S., Lin, G. R., Kuo, H. C., Feng, K. M. & Feng, M., Dec 1 2006, Conference on Lasers and Electro-Optics and 2006 Quantum Electronics and Laser Science Conference, CLEO/QELS 2006. 4627958. (Conference on Lasers and Electro-Optics and 2006 Quantum Electronics and Laser Science Conference, CLEO/QELS 2006).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Dark currents
dark current
Photodiodes
photodiodes
receivers

A 10MHz 2mA-800mA 0.5V-1.5V 90% peak efficiency time-based buck converter with seamless transition between PWM/PFM modes

Kim, S. J., Choi, W., Pilawa Podgurski, R. C. N. & Hanumolu, P. K., Jul 26 2017, 38th Annual Custom Integrated Circuits Conference: A Showcase for Integrated Circuit Design in Silicon Hills, CICC 2017. Institute of Electrical and Electronics Engineers Inc., 7993619. (Proceedings of the Custom Integrated Circuits Conference; vol. 2017-April).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Pulse width modulation

A 10-μs-tuning MEMS-actuated gires-tournois filter for use as a tunable wavelength demultiplexer and a tunable OCDMA encoder/decoder

Ebrahimi, P., Kargar, M., Hauer, M. C., Willner, A. E., Yu, K. & Solgaard, O., Dec 1 2004, Optical Fiber Communication Conference, OFC 2004 - Postconference Digest. p. 259-261 3 p. 1362138. (Conference on Optical Fiber Communication, Technical Digest Series; vol. 2).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

MEMS
Tuning
Wavelength
Wavelength division multiplexing

A 120 dB, Asynchronous, Time-Domain, Multispectral Imager for Near-Infrared Fluorescence Image-Guided Surgery

Blair, S., Garcia, M., Cui, N. & Gruev, V., Dec 20 2018, 2018 IEEE Biomedical Circuits and Systems Conference, BioCAS 2018 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 8584782. (2018 IEEE Biomedical Circuits and Systems Conference, BioCAS 2018 - Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Computer-Assisted Surgery
Image sensors
surgery
Surgery
dynamic range

A 1280 by 720 by 3, 250 mW, 24 fps Hexachromatic Imager for Near-Infrared Fluorescence Image-Guided Surgery

Garcia, M., Kauffman, K., Davis, T., Marinov, R. & Gruev, V., Apr 26 2018, 2018 IEEE International Symposium on Circuits and Systems, ISCAS 2018 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 8351496. (Proceedings - IEEE International Symposium on Circuits and Systems; vol. 2018-May).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Image sensors
Surgery
Fluorescence
Infrared radiation
Imaging techniques

A 14.5 fJ/cycle/k-gate, 0.33 V ECG processor in 45nm CMOS using statistical error compensation

Abdallah, R. A. & Shanbhag, N. R., Nov 26 2012, Proceedings of the IEEE 2012 Custom Integrated Circuits Conference, CICC 2012. 6330670. (Proceedings of the Custom Integrated Circuits Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Error compensation
Electrocardiography
Electric potential
Error correction
Energy efficiency

A 150 MHz voltage controlled oscillator using lithium niobate RF-MEMS resonator

Kourani, A., Song, Y. H., Arakawa, B., Lu, R., Guan, J., Gao, A. & Gong, S., Oct 4 2017, 2017 IEEE MTT-S International Microwave Symposium, IMS 2017. Institute of Electrical and Electronics Engineers Inc., p. 1307-1310 4 p. 8058851. (IEEE MTT-S International Microwave Symposium Digest).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

voltage controlled oscillators
Variable frequency oscillators
Phase noise
lithium niobates
microelectromechanical systems

A 15Gb/s 1.9pJ/bit sub-baud-rate digital CDR

Kim, D., Choi, W. S., Elkholy, A., Kenney, J. & Hanumolu, P. K., May 9 2018, 2018 IEEE Custom Integrated Circuits Conference, CICC 2018. Institute of Electrical and Electronics Engineers Inc., p. 1-4 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Clocks
Jitter
Energy efficiency
Recovery

A 16Mb/s-to-8Gb/s 14.1-to-5.9pJ/b source synchronous transceiver using DVFS and rapid on/off in 65nm CMOS

Shu, G., Choi, W. S., Saxena, S., Kim, S. J., Talegaonkar, M., Nandwana, R., Elkholy, A., Wei, D., Nandi, T. & Hanumolu, P. K., Feb 23 2016, 2016 IEEE International Solid-State Circuits Conference, ISSCC 2016. Institute of Electrical and Electronics Engineers Inc., p. 398-399 2 p. 7418075. (Digest of Technical Papers - IEEE International Solid-State Circuits Conference; vol. 59).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Transceivers
Energy efficiency
Electric potential
DC-DC converters
Electric power utilization

A 175 MHz 72 μw Voltage Controlled Oscillator with 1.4% Tuning Range based on Lithium Niobate MEMS Resonator and 65 nm CMOS

Kourani, A., Lu, R., Manzaneque, T., Yang, Y., Gao, A. & Gong, S., Aug 17 2018, Proceedings of the 2018 IEEE/MTT-S International Microwave Symposium, IMS 2018. Institute of Electrical and Electronics Engineers Inc., p. 567-570 4 p. 8439385. (IEEE MTT-S International Microwave Symposium Digest; vol. 2018-June).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

voltage controlled oscillators
Variable frequency oscillators
lithium niobates
microelectromechanical systems
MEMS

A 19.4 nJ/decision 364K decisions/s in-memory random forest classifier in 6T SRAM array

Kang, M., Gonugondla, S. K. & Shanbhag, N. R., Nov 2 2017, ESSCIRC 2017 - 43rd IEEE European Solid State Circuits Conference. Institute of Electrical and Electronics Engineers Inc., p. 263-266 4 p. 8094576. (ESSCIRC 2017 - 43rd IEEE European Solid State Circuits Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Static random access storage
classifiers
Classifiers
Data storage equipment
products

A 1 MPixel CCD image sensor with aluminum nanowire polarization filter

Gruev, V. & Perkins, R., Aug 31 2010, ISCAS 2010 - 2010 IEEE International Symposium on Circuits and Systems: Nano-Bio Circuit Fabrics and Systems. p. 629-632 4 p. 5537513. (ISCAS 2010 - 2010 IEEE International Symposium on Circuits and Systems: Nano-Bio Circuit Fabrics and Systems).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Charge coupled devices
Image sensors
Nanowires
Polarization
Aluminum

A 2.5-to-5.75GHz 5mW 0.3psrms-jitter cascaded ring-based digital injection-locked clock multiplier in 65nm CMOS

Coombs, D., Elkholy, A., Nandwana, R. K., Elmallah, A. & Hanumolu, P. K., Mar 2 2017, 2017 IEEE International Solid-State Circuits Conference, ISSCC 2017. Fujino, L. C. (ed.). Institute of Electrical and Electronics Engineers Inc., p. 152-153 2 p. 7870306. (Digest of Technical Papers - IEEE International Solid-State Circuits Conference; vol. 60).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Jitter
Clocks
Phase locked loops
Spurious signal noise
Defects

A 2.8mW/Gb/s 14Gb/s serial link transceiver in 65nm CMOS

Saxena, S., Shu, G., Nandwana, R. K., Talegaonkar, M., Elkholy, A., Anand, T., Kim, S. J., Choi, W. S. & Hanumolu, P. K., Aug 31 2015, 2015 Symposium on VLSI Circuits, VLSI Circuits 2015. Institute of Electrical and Electronics Engineers Inc., p. C352-C353 7231320. (IEEE Symposium on VLSI Circuits, Digest of Technical Papers; vol. 2015-August).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Transceivers
Clock and data recovery circuits (CDR circuits)
Clocks
Electric potential

A 27-band snapshot hyperspectral imaging system for label-free tumor detection during image-guided surgery

Blair, S., Garcia, M., Konopka, C., Dobrucki, L. & Gruev, V., Jan 1 2019, Label-Free Biomedical Imaging and Sensing, LBIS 2019. Shaked, N. T. & Hayden, O. (eds.). SPIE, 108900G. (Progress in Biomedical Optics and Imaging - Proceedings of SPIE; vol. 10890).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Computer-Assisted Surgery
surgery
Imaging systems
Surgery
Labels

A 2-D floquet boundary condition for time-domain finite element analysis of periodic geometries

Petersson, L. E. R., Lou, Z. & Jin, J. M., Dec 1 2005, 2005 IEEE Antennas and Propagation Society International Symposium and USNC/URSI Meeting, Digest. p. 185-188 4 p. 1552774. (IEEE Antennas and Propagation Society, AP-S International Symposium (Digest); vol. 4 B).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Boundary conditions
Finite element method
Geometry

A 2D interface-enriched generalized FEM for em analysis of composite materials

Zhang, K., Najafi, A. R., Geubelle, P. H. & Jin, J., Oct 22 2015, 2015 IEEE Antennas and Propagation Society International Symposium, APS 2015 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 171-172 2 p. 7304471. (IEEE Antennas and Propagation Society, AP-S International Symposium (Digest); vol. 2015-October).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Interfaces (computer)
Finite element method
Composite materials
Geometry

A 2 kW, single-phase, 7-level, GaN inverter with an active energy buffer achieving 216 W/in3 power density and 97.6% peak efficiency

Lei, Y., Barth, C., Qin, S., Liu, W. C., Moon, I., Stillwell, A., Chou, D., Foulkes, T., Ye, Z., Liao, Z. & Pilawa Podgurski, R. C. N., May 10 2016, 2016 IEEE Applied Power Electronics Conference and Exposition, APEC 2016. Institute of Electrical and Electronics Engineers Inc., p. 1512-1519 8 p. 7468068. (Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC; vol. 2016-May).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Capacitors
Specifications
Domestic appliances
Energy harvesting
Electromagnetic compatibility

A3: A coding guideline for HCI+autism research using video annotation

Hallpern, J., Karahallos, K., Halle, J., Dethorne, L. & Colette, M. K., Dec 1 2008, ASSETS'08: 10th International ACM SIGACCESS Conference on Computers and Accessibility. p. 11-18 8 p. (ASSETS'08: The 10th International ACM SIGACCESS Conference on Computers and Accessibility).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Human computer interaction
Communication
Feedback

A 3.5 GHz AlN S1 lamb mode resonator

Gao, A., Zou, J. & Gong, S., Oct 31 2017, 2017 IEEE International Ultrasonics Symposium, IUS 2017. IEEE Computer Society, 8092161. (IEEE International Ultrasonics Symposium, IUS).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

aluminum nitrides
phase velocity
resonators
microelectromechanical systems
products

A 3.5 GHz hybrid wideband RF filter using AlN S1 lamb mode resonator

Gao, A., Zou, J. & Gong, S., Oct 31 2017, 2017 IEEE International Ultrasonics Symposium, IUS 2017. IEEE Computer Society, 8092973. (IEEE International Ultrasonics Symposium, IUS).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

resonators
broadband
filters
phase velocity
acoustics

A 3.7mW 3MHz bandwidth 4.5GHz digital fractional-N PLL with-106dBc/Hz In-band noise using time amplifier based TDC

Elkholy, A., Anand, T., Choi, W. S., Elshazly, A. & Hanumolu, P. K., Jan 1 2014, 2014 Symposium on VLSI Circuits, VLSIC 2014 - Digest of Technical Papers. Institute of Electrical and Electronics Engineers Inc., 6858391. (IEEE Symposium on VLSI Circuits, Digest of Technical Papers).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Phase locked loops
Bandwidth
Jitter

A 300-500 MHz Tunable Oscillator Exploiting Ten Overtones in Single Lithium Niobate Resonator

Kourani, A., Lu, R., Gao, A. & Gong, S., Apr 2019, IFCS/EFTF 2019 - Joint Conference of the IEEE International Frequency Control Symposium and European Frequency and Time Forum, Proceedings. Institute of Electrical and Electronics Engineers Inc., 8856145. (IFCS/EFTF 2019 - Joint Conference of the IEEE International Frequency Control Symposium and European Frequency and Time Forum, Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

lithium niobates
MEMS
Resonators
Acoustic resonators
Lithium

A 3D interface-enriched generalized FEM for em analysis of composite materials

Zhang, K., Geubelle, P. H. & Jin, J. M., Oct 22 2015, 2015 IEEE Antennas and Propagation Society International Symposium, APS 2015 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 173-174 2 p. 7304472. (IEEE Antennas and Propagation Society, AP-S International Symposium (Digest); vol. 2015-October).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Interfaces (computer)
Finite element method
Composite materials
Geometry

A 3-D time-domain finite element formulation for periodic geometries

Petersson, L. E. R. & Jin, J. M., Dec 1 2005, 2005 IEEE Antennas and Propagation Society International Symposium and USNC/URSI Meeting, Digest. p. 189-192 4 p. 1552775. (IEEE Antennas and Propagation Society, AP-S International Symposium (Digest); vol. 4 B).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Geometry

A 3-to-10Gb/s 5.75pJ/b transceiver with flexible clocking in 65nm CMOS

Nandwana, R. K., Saxena, S., Elkholy, A., Talegaonkar, M., Zhu, J., Choi, W. S., Elmallah, A. & Hanumolu, P. K., Mar 2 2017, 2017 IEEE International Solid-State Circuits Conference, ISSCC 2017. Fujino, L. C. (ed.). Institute of Electrical and Electronics Engineers Inc., p. 492-493 2 p. 7870476. (Digest of Technical Papers - IEEE International Solid-State Circuits Conference; vol. 60).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Transceivers
Clocks
Networks (circuits)
Phase locked loops
Planning

A 4.25GHz-4.75GHz calibration-free fractional-N ring PLL using hybrid phase/current-mode phase interpolator with 13.2dB phase noise improvement

Nandwana, R. K., Anand, T., Saxena, S., Kim, S. J., Talegaonkar, M., Elkholy, A., Choi, W. S., Elshazly, A. & Hanumolu, P. K., Jan 1 2014, 2014 Symposium on VLSI Circuits, VLSIC 2014 - Digest of Technical Papers. Institute of Electrical and Electronics Engineers Inc., 6858446. (IEEE Symposium on VLSI Circuits, Digest of Technical Papers).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Phase locked loops
Phase noise
Clocks
Calibration
Jitter

A 4.4-5.4GHz digital fractional-N PLL using ΔΣ frequency-to-digital converter

Talegaonkar, M., Anand, T., Elkholy, A., Elshazly, A., Nandwana, R. K., Saxena, S., Young, B., Choi, W. & Hanumolu, P. K., Jan 1 2014, 2014 Symposium on VLSI Circuits, VLSIC 2014 - Digest of Technical Papers. Institute of Electrical and Electronics Engineers Inc., 6858392. (IEEE Symposium on VLSI Circuits, Digest of Technical Papers).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Phase locked loops
Phase noise
Jitter
Calibration

A 42pJ/decision 3.12TOPS/W robust in-memory machine learning classifier with on-chip training

Gonugondla, S. K., Kang, M. & Shanbhag, N., Mar 8 2018, 2018 IEEE International Solid-State Circuits Conference, ISSCC 2018. Institute of Electrical and Electronics Engineers Inc., p. 490-492 3 p. (Digest of Technical Papers - IEEE International Solid-State Circuits Conference; vol. 61).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Learning systems
Classifiers
Memory architecture
Data storage equipment
Statistics

A 45-75MHz 197-452μW oscillator with 164.6dB FoM and 2.3psrms period jitter in 65nm CMOS

Zhu, J., Mahalley, M., Shu, G., Choi, W. S., Nandwana, R. K., Elkholy, A., Sahoo, B. & Hanumolu, P. K., Jul 26 2017, 38th Annual Custom Integrated Circuits Conference: A Showcase for Integrated Circuit Design in Silicon Hills, CICC 2017. Institute of Electrical and Electronics Engineers Inc., 7993679. (Proceedings of the Custom Integrated Circuits Conference; vol. 2017-April).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Jitter
Relaxation oscillators
Phase noise
Clocks
Temperature

A 4mW wide bandwidth ring-based fractional-n DPLL with 1.9psrms integrated-jitter

Elkholy, A., Saxena, S., Nandwana, R. K., Elshazly, A. & Hanumolu, P. K., Nov 25 2015, 2015 IEEE Custom Integrated Circuits Conference, CICC 2015. Institute of Electrical and Electronics Engineers Inc., 7338376. (Proceedings of the Custom Integrated Circuits Conference; vol. 2015-November).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Jitter
Bandwidth
Phase locked loops
Phase noise

A 54mW 1.2GS/s 71.5dB SNDR 50MHz BW VCO-based CT ΔΣ ADC using dual phase/frequency feedback in 65nm CMOS

Reddy, K., Dey, S., Rao, S., Young, B., Prabha, P. & Hanumolu, P. K., Aug 31 2015, 2015 Symposium on VLSI Circuits, VLSI Circuits 2015. Institute of Electrical and Electronics Engineers Inc., p. C256-C257 7231278. (IEEE Symposium on VLSI Circuits, Digest of Technical Papers; vol. 2015-August).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Variable frequency oscillators
Modulators
Feedback
Bandwidth

A 5GHz 245fsrms 8mW Ring Oscillator-based Digital Frequency Synthesizer

Khashaba, A., Elkholy, A., Megawer, K. M., Ahmed, M. & Hanumolu, P. K., Apr 2019, 2019 IEEE Custom Integrated Circuits Conference, CICC 2019. Institute of Electrical and Electronics Engineers Inc., 8780384. (Proceedings of the Custom Integrated Circuits Conference; vol. 2019-April).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Crystal oscillators
Frequency synthesizers
Phase noise
Jitter
Calibration