Research Output 1965 2020

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A 10-MHz 2-800-mA 0.5-1.5-V 90% Peak Efficiency Time-Based Buck Converter with Seamless Transition between PWM/PFM Modes

Kim, S. J., Choi, W. S., Pilawa Podgurski, R. C. N. & Hanumolu, P. K., Mar 2018, In : IEEE Journal of Solid-State Circuits. 53, 3, p. 814-824 11 p.

Research output: Contribution to journalArticle

Pulse time modulation
Modulation
Controllers
Electric potential
Frequency modulation

A 12-Gb/s -16.8-dBm OMA Sensitivity 23-mW Optical Receiver in 65-nm CMOS

Ahmed, M. G., Talegaonkar, M., Elkholy, A., Shu, G., Elmallah, A., Rylyakov, A. & Hanumolu, P. K., Feb 2018, In : IEEE Journal of Solid-State Circuits. 53, 2, p. 445-457 13 p., 8074728.

Research output: Contribution to journalArticle

Optical receivers
Feedback amplifiers
Operational amplifiers
Bandwidth
Semiconductor lasers

A 130-nm 6-GHz 256 × 32 bit leakage-tolerant register file

Krishnamurthy, R. K., Alvandpour, A., Balamurugan, G., Shanbhag, N. R., Soumyanath, K. & Borkar, S. Y., May 1 2002, In : IEEE Journal of Solid-State Circuits. 37, 5, p. 624-632 9 p.

Research output: Contribution to journalArticle

Level measurement
Bias voltage
Scalability
Transistors
Oxides

A 15-Gb/s sub-baud-rate digital CDR

Kim, D., Choi, W. S., Elkholy, A., Kenney, J. & Hanumolu, P. K., Mar 2019, In : IEEE Journal of Solid-State Circuits. 54, 3, p. 685-695 11 p., 8599124.

Research output: Contribution to journalArticle

Clocks
Recovery
Jitter
Clock and data recovery circuits (CDR circuits)
Equalizers

A 19.4-nJ/Decision, 364-K Decisions/s, In-Memory Random Forest Multi-Class Inference Accelerator

Kang, M., Gonugondla, S. K., Lim, S. & Shanbhag, N. R., Jul 2018, In : IEEE Journal of Solid-State Circuits. 53, 7, p. 2126-2135 10 p.

Research output: Contribution to journalArticle

Particle accelerators
Data storage equipment
Integrated circuits
Classifiers
CMOS integrated circuits

A 1D inversion scheme for large-scale, 3D subsurface imaging of real data

Aydiner, A. A., Chew, W. C., Cui, T. J., Wright, D. L., Smith, D. V. & Abraham, J. D., Jan 1 2002, In : IEEE Antennas and Propagation Society, AP-S International Symposium (Digest). 1, p. 284-287 4 p.

Research output: Contribution to journalArticle

Geological surveys
Iterative methods
Calibration
Imaging techniques

A 1-to-2048 fully-integrated cascaded digital frequency synthesizer for low frequency reference clocks using scrambling TDC

Nandwana, R. K., Saxena, S., Elshazly, A., Mayaram, K. & Hanumolu, P. K., Feb 2017, In : IEEE Transactions on Circuits and Systems I: Regular Papers. 64, 2, p. 283-295 13 p., 7731190.

Research output: Contribution to journalArticle

Frequency synthesizers
Jitter
Clocks
Phase locked loops
Quantization (signal)

A 2.0-5.5 GHz Wide Bandwidth Ring-Based Digital Fractional-N PLL with Extended Range Multi-Modulus Divider

Elkholy, A., Saxena, S., Nandwana, R. K., Elshazly, A. & Hanumolu, P. K., Aug 2016, In : IEEE Journal of Solid-State Circuits. 51, 8, p. 1771-1784 14 p., 7489022.

Research output: Contribution to journalArticle

Phase locked loops
Bandwidth
Digital to analog conversion
Phase noise
Jitter

A 2.5-5.75-GHz Ring-Based Injection-Locked Clock Multiplier with Background-Calibrated Reference Frequency Doubler

Elkholy, A., Coombs, D., Nandwana, R. K., Elmallah, A. & Hanumolu, P. K., Jul 2019, In : IEEE Journal of Solid-State Circuits. 54, 7, p. 2049-2058 10 p., 8691469.

Research output: Contribution to journalArticle

Frequency doublers
Clocks
Jitter
Spurious signal noise
Bandwidth

A 2.5D scalar helmholtz wave solution employing the spectral lanczos decomposition method (sldm)

Weedon, W. H., Chew, W. C., Lin, JH. H., Sezginer, A. & Druskin, V. L., Aug 1993, In : Microwave and Optical Technology Letters. 6, 10, p. 587-592 6 p.

Research output: Contribution to journalArticle

scalars
Decomposition
decomposition
Polynomial approximation
Helmholtz equation

A 2.8 mW/Gb/s, 14 Gb/s Serial Link Transceiver

Saxena, S., Shu, G., Nandwana, R. K., Talegaonkar, M., Elkholy, A., Anand, T., Choi, W. S. & Hanumolu, P. K., May 2017, In : IEEE Journal of Solid-State Circuits. 52, 5, p. 1399-1411 13 p., 7890481.

Research output: Contribution to journalArticle

Transceivers
Energy efficiency
Clocks
Phase locked loops
Jitter

A 2–20 GHz high-gain monolithic HEMT distributed amplifier

Bandy, S. G., Nishimoto, C. K., Yuen, C., Larue, R. A., Day, M., Eckstein, J., Tan, Z. C. H., Webb, C. & Zdasiuk, G. A., Dec 1987, In : IEEE Transactions on Microwave Theory and Techniques. 35, 12, p. 1494-1500 7 p.

Research output: Contribution to journalArticle

distributed amplifiers
High electron mobility transistors
high electron mobility transistors
high gain
Gates (transistor)

A 2500 deg2 CMB Lensing Map from Combined South Pole Telescope and Planck Data

Omori, Y., Chown, R., Simard, G., Story, K. T., Aylor, K., Baxter, E. J., Benson, B. A., Bleem, L. E., Carlstrom, J. E., Chang, C. L., Cho, H. M., Crawford, T. M., Crites, A. T., Haan, T. D., Dobbs, M. A., Everett, W. B., George, E. M., Halverson, N. W., Harrington, N. L., Holder, G. P. & 27 others, Hou, Z., Holzapfel, W. L., Hrubes, J. D., Knox, L., Lee, A. T., Leitch, E. M., Luong-Van, D., Manzotti, A., Marrone, D. P., McMahon, J. J., Meyer, S. S., Mocanu, L. M., Mohr, J. J., Natoli, T., Padin, S., Pryke, C., Reichardt, C. L., Ruhl, J. E., Sayre, J. T., Schaffer, K. K., Shirokoff, E., Staniszewski, Z., Stark, A. A., Vanderlinde, K., Vieira, J. D., Williamson, R. & Zahn, O., Nov 10 2017, In : Astrophysical Journal. 849, 2, 124.

Research output: Contribution to journalArticle

poles
telescopes
microwaves
cross correlation
Wide-field Infrared Survey Explorer

A 256-Kb dual-V CC SRAM building block in 65-nm CMOS process with actively clamped sleep transistor

Khellah, M., Somasekhar, D., Ye, Y., Kim, N. S., Howard, J., Ruhl, G., Sunna, M., Tschanz, J., Borkar, N., Hamzaoglu, F., Pandya, G., Farhang, A., Zhang, K. & De, V., Jan 1 2007, In : IEEE Journal of Solid-State Circuits. 42, 1, p. 233-241 9 p.

Research output: Contribution to journalArticle

Static random access storage
Transistors
Electric potential
Sleep
Aging of materials

A 285-MHz Pipelined MAP decoder in 0.18-μm CMOS

Lee, S. J., Shanbhag, N. R. & Singer, A. C., Aug 1 2005, In : IEEE Journal of Solid-State Circuits. 40, 8, p. 1718-1724 7 p.

Research output: Contribution to journalArticle

Throughput
Parallel architectures
Energy efficiency
Decoding
Clocks

A 2 degree-of-freedom SOI-MEMS translation stage with closed-loop positioning

Koo, B., Zhang, X., Dong, J., Salapaka, S. M. & Ferreira, P. M., Feb 1 2012, In : Journal of Microelectromechanical Systems. 21, 1, p. 13-22 10 p., 6094148.

Research output: Contribution to journalArticle

MEMS
Position control
Degrees of freedom (mechanics)
Electric potential
Natural frequencies

A 2-kW Single-Phase Seven-Level Flying Capacitor Multilevel Inverter with an Active Energy Buffer

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., Nov 2017, In : IEEE Transactions on Power Electronics. 32, 11, p. 8570-8581 12 p., 7811253.

Research output: Contribution to journalArticle

Capacitors
Specifications
Energy harvesting
Electromagnetic compatibility
Electric vehicles
Human computer interaction
Linguistics
Computer vision
Demonstrations
Automation

A 3/2-approximation algorithm for some minimum-cost graph problems

Couëtoux, B., Davis, J. M. & Williamson, D. P., Jan 1 2015, In : Mathematical Programming. 150, 1, p. 19-34 16 p.

Research output: Contribution to journalArticle

Approximation algorithms
Approximation Algorithms
Costs
Graph in graph theory
Location Problem

A 3.6-mW 50-MHz PN code acquisition filter via statistical error compensation in 180-nm CMOS

Kim, E. P., Baker, D. J., Narayanan, S., Shanbhag, N. R. & Jones, D. L., Mar 1 2015, In : IEEE Transactions on Very Large Scale Integration (VLSI) Systems. 23, 3, p. 598-602 5 p., 6804020.

Research output: Contribution to journalArticle

Error compensation
Energy conservation
Electric potential
Telecommunication networks
Energy utilization

A 3.7 mW Low-Noise Wide-Bandwidth 4.5 GHz Digital Fractional-N PLL Using Time Amplifier-Based TDC

Elkholy, A., Anand, T., Choi, W. S., Elshazly, A. & Hanumolu, P. K., Apr 1 2015, In : IEEE Journal of Solid-State Circuits. 50, 4, p. 867-881 15 p., 7027236.

Research output: Contribution to journalArticle

Phase locked loops
Bandwidth
Jitter

A 3D, Virtual research reactor with interactive control room

Satoh, Y., Li, Y., Zhu, X. & Uddin, R., 2014, In : Transactions of the American Nuclear Society. 111, p. 169-170 2 p.

Research output: Contribution to journalArticle

Reactor operation
Research reactors
Students
Costs

A 3D adaptive mesh moving scheme

Kanchi, H. & Masud, A., Jul 20 2007, In : International Journal for Numerical Methods in Fluids. 54, 6-8, p. 923-944 22 p.

Research output: Contribution to journalArticle

Adaptive Mesh
Moving Mesh
Flow of fluids
mesh
Fluid

A 3D convolutional neural network method for land cover classification using LiDAR and multi-temporal Landsat imagery

Xu, Z., Guan, K., Casler, N., Peng, B. & Wang, S., Oct 2018, In : ISPRS Journal of Photogrammetry and Remote Sensing. 144, p. 423-434 12 p.

Research output: Contribution to journalArticle

imagery
Landsat
land cover
Neural networks
grids
Parallel processing systems
Domain Decomposition
Balancing
Nonlinear Dynamics
FETI-DP

A 3-D interface-enriched generalized FEM for electromagnetic problems with nonconformal discretizations

Zhang, K., Jin, J. M. & Geubelle, P. H., Dec 2015, In : IEEE Transactions on Antennas and Propagation. 63, 12, p. 5637-5649 13 p., 7295572.

Research output: Contribution to journalArticle

Interfaces (computer)
Finite element method
Mesh generation
Computational complexity
Derivatives
finite element method
Finite element method
Geometry
geometry
Phase interfaces

A 3-D model to analyze environmental effects of dredging operations - Application to the Port of Marin, Spain

García Alba, J., Gómez, A. G., Tinoco López, R. O., Sámano Celorio, M. L., García Gómez, A. & Juanes, J. A., Apr 1 2014, In : Advances in Geosciences. 39, p. 95-99 5 p.

Research output: Contribution to journalArticle

dredging
Spain
environmental effect
toxic substance
dredger

A 3D perfectly matched medium from modified maxwell's equations with stretched coordinates

Chew, W. C. & Weedon, W. H., Sep 1994, In : Microwave and Optical Technology Letters. 7, 13, p. 599-604 6 p.

Research output: Contribution to journalArticle

Maxwell equations
Maxwell equation
Connection Machine
supercomputers
perfectly matched layers

A 3D petrographic analysis for concrete freeze-thaw protection

Song, Y., Damiani, R. M., Shen, C., Castaneda, D. I. & Lange, D. A., Feb 2020, In : Cement and Concrete Research. 128, 105952.

Research output: Contribution to journalArticle

Ointments
Concretes
Air entrainment
Concrete mixtures
Air

A 3D unsplit Forward/Backward Volume-of-Fluid approach and coupling to the level set method

Le Chenadec, V. & Pitsch, H., Jan 1 2013, In : Journal of Computational Physics. 233, 1, p. 10-33 24 p.

Research output: Contribution to journalArticle

Fluids
fluids
Drop breakup
two phase flow
Two phase flow

A 4-Megapixel cooled CCD division of focal plane polarimeter for celestial imaging

Marinov, R., Cui, N., Garcia, M., Powell, S. B. & Gruev, V., May 1 2017, In : IEEE Sensors Journal. 17, 9, p. 2725-2733 9 p., 7873323.

Research output: Contribution to journalArticle

Polarimeters
polarimeters
Charge coupled devices
division
charge coupled devices

A 4-Phase 30-70 MHz Switching Frequency Buck Converter Using a Time-Based Compensator

Kim, S. J., Nandwana, R. K., Khan, Q., Pilawa Podgurski, R. C. N. & Hanumolu, P. K., Dec 2015, In : IEEE Journal of Solid-State Circuits. 50, 12, p. 2814-2824 11 p., 7182789.

Research output: Contribution to journalArticle

Frequency converters
Switching frequency
Controllers
Electric potential
Digital to analog conversion

A 4-to-10.5 Gb/s Continuous-Rate Digital Clock and Data Recovery With Automatic Frequency Acquisition

Shu, G., Choi, W. S., Saxena, S., Talegaonkar, M., Anand, T., Elkholy, A., Elshazly, A. & Hanumolu, P. K., Feb 1 2016, In : IEEE Journal of Solid-State Circuits. 51, 2, p. 428-439 12 p., 7362125.

Research output: Contribution to journalArticle

Jitter
Clocks
Recovery
Phase locked loops
Bandwidth

A 500 MHz carbon nanotube transistor oscillator

Pesetski, A. A., Baumgardner, J. E., Krishnaswamy, S. V., Zhang, H., Adam, J. D., Kocabas, C., Banks, T. & Rogers, J. A., Oct 6 2008, In : Applied Physics Letters. 93, 12, 123506.

Research output: Contribution to journalArticle

transistors
field effect transistors
carbon nanotubes
oscillators
inductors

A 5 Gb/s, 10 ns power-on-time, 36 μw off-state power, fast power-on transmitter for energy proportional links

Anand, T., Elshazly, A., Talegaonkar, M., Young, B. & Hanumolu, P. K., Oct 1 2014, In : IEEE Journal of Solid-State Circuits. 49, 10, p. 2243-2258 16 p., 6887370.

Research output: Contribution to journalArticle

Telecommunication links
Clocks
Transmitters
Logic circuits
Electric potential

A 5 Gb/s energy-efficient voltage-mode transmitter using time-based de-emphasis

Saxena, S., Nandwana, R. K. & Hanumolu, P. K., Aug 2014, In : IEEE Journal of Solid-State Circuits. 49, 8, p. 1827-1836 10 p., 6809856.

Research output: Contribution to journalArticle

Transmitters
Electric potential
Pulse width modulation
Clocks
Phase locked loops

A 5GHz Digital Fractional-N PLL Using a 1-bit Delta-Sigma Frequency-to-Digital Converter in 65 nm CMOS

Talegaonkar, M., Anand, T., Elkholy, A., Elshazly, A., Nandwana, R. K., Saxena, S., Young, B., Choi, W. S. & Hanumolu, P. K., Sep 2017, In : IEEE Journal of Solid-State Circuits. 52, 9, p. 2306-2320 15 p., 7999180.

Research output: Contribution to journalArticle

Phase locked loops
Phase noise
Jitter
Clocks
Bandwidth

A 6.75-8.25-GHz -250-dB FoM Rapid ON/OFF Fractional-N Injection-Locked Clock Multiplier

Elkholy, A., Elmallah, A., Ahmed, M. G. & Hanumolu, P. K., Jun 2018, In : IEEE Journal of Solid-State Circuits. 53, 6, p. 1818-1829 12 p.

Research output: Contribution to journalArticle

Clocks
Jitter
Calibration
Electric potential
Temperature

A 640-Mb/s 2048-bit programmable LDPC decoder chip

Mansour, M. M. & Shanbhag, N. R., Mar 1 2006, In : IEEE Journal of Solid-State Circuits. 41, 3, p. 684-697 14 p.

Research output: Contribution to journalArticle

Decoding
Message passing
Throughput
Table lookup
Clocks

A 6 μ W ±50 ppm/°C ±1500 ppm/V 1.5 MHz RC oscillator using self-regulation

Wang, T., Griffith, D., Ahmed, M. G., Zhu, J., Wei, D., Elkholy, A., Elmallah, A. & Hanumolu, P. K., Aug 2019, In : IEEE Transactions on Circuits and Systems II: Express Briefs. 66, 8, p. 1297-1301 5 p., 8556499.

Research output: Contribution to journalArticle

Electric potential
Relaxation oscillators
Temperature

A 7872 cDNA microarray and its use in bovine functional genomics

Everts, R. E., Band, M. R., Liu, Z. L., Kumar, C. G., Liu, L., Loor, J. J., Oliveira, R. & Lewin, H. A., May 15 2005, In : Veterinary Immunology and Immunopathology. 105, 3-4, p. 235-245 11 p.

Research output: Contribution to journalArticle

Gene Ontology
Genomics
Oligonucleotide Array Sequence Analysis
genomics
cattle

A 7 Gb/s Embedded Clock Transceiver for Energy Proportional Links

Anand, T., Talegaonkar, M., Elkholy, A., Saxena, S., Elshazly, A. & Hanumolu, P. K., Dec 2015, In : IEEE Journal of Solid-State Circuits. 50, 12, p. 3101-3119 19 p., 7265108.

Research output: Contribution to journalArticle

Transceivers
Clocks
Phase locked loops
Calibration
Energy efficiency
Optics and Photonics
Microfluidics
Biosensing Techniques
Channel flow
Photonic crystals

A Backface Strain Technique for Detecting Fatigue Crack Initiation in Adhesive Joints

Zhang, Z., Shang, J. K. & Lawrence, F. V., Apr 1 1995, In : The Journal of Adhesion. 49, 1-2, p. 23-36 14 p.

Research output: Contribution to journalArticle

Adhesive joints
crack initiation
Crack initiation
adhesives
Adhesives

A backscattering model incorporating the effective carrier temperature in Nano-MOSFET

Giusi, G., Iannaccone, G., Crupi, F. & Ravaioli, U., Jul 1 2011, In : IEEE Electron Device Letters. 32, 7, p. 853-855 3 p., 5771977.

Research output: Contribution to journalArticle

Backscattering
Energy barriers
Potential energy
Temperature
Ballistics

A BamHI polymorphism at the porcine crystallin γ locus

Atac, E., Shalhevet, D., Krull, D., Clamp, P., Feltes, R., Beever, J. E. & Schook, L. B., Apr 1993, In : Animal genetics. 24, 2, p. 139 1 p.

Research output: Contribution to journalArticle

Deoxyribonuclease BamHI
gamma-Crystallins
Nucleic Acid Hybridization
crystallins
Crystallins

A Bam HI polymorphism at the porcine interleukin‐lαILIA locus

Shalhevet, D., Krull, D., Feltes, R., Clamp, P., Atac, E., Murtaugh, M. & Schook, L. B., Apr 1993, In : Animal genetics. 24, 2, p. 141 1 p.

Research output: Contribution to journalArticle

Molecular Sequence Data
Deoxyribonuclease BamHI
Nucleic Acid Hybridization
Interleukins
interleukin-1

A Bam HI polymorphism at the porcine interleukin‐lβIL1β locus

Feltes, R., Krull, D., Clamp, P., Shalhevet, D., Atacy, E., Murtaugh, M. & Schook, L. B., Apr 1993, In : Animal genetics. 24, 2, p. 141 1 p.

Research output: Contribution to journalArticle

Molecular Sequence Data
Deoxyribonuclease BamHI
Nucleic Acid Hybridization
Interleukins
interleukin-1

A Bandpass Frequency Selective Surface with a Low Cross-Polarization Based on Cavities with a Hybrid Boundary

Yang, L. L., Wei, X. C., Yi, D. & Jin, J., Feb 2017, In : IEEE Transactions on Antennas and Propagation. 65, 2, p. 654-661 8 p., 7762737.

Research output: Contribution to journalArticle

Frequency selective surfaces
selective surfaces
cross polarization
Polarization
ripples