Works (20)
Updated: July 5th, 2023 16:04
2018 journal article
Transparent arrays of bilayer-nanomesh microelectrodes for simultaneous electrophysiology and two-photon imaging in the brain
SCIENCE ADVANCES, 4(9).
MeSH headings : Animals; Brain / diagnostic imaging; Brain / physiology; Calcium / analysis; Dielectric Spectroscopy / instrumentation; Dielectric Spectroscopy / methods; Electrodes, Implanted; Electrophysiology / instrumentation; Electrophysiology / methods; Gold / chemistry; Male; Mice, Inbred C57BL; Microelectrodes; Molecular Imaging; Nanostructures / chemistry; Photic Stimulation; Photons; Polystyrenes / chemistry; Thiophenes / chemistry; Visual Cortex / diagnostic imaging; Visual Cortex / physiology; Wireless Technology
TL;DR:
Transparent microelectrode arrays with high performance, great biocompatibility, and comprehensive in vivo validations from a recently developed, bilayer-nanomesh material composite, where a metal layer and a low-impedance faradaic interfacial layer are stacked reliably together in a same transparent nanomesh pattern are established.
(via Semantic Scholar)
open access via doi.org (publisher)
Source: Web Of Science
Added: November 19, 2018
2006 patent
Integrated circuit devices having on-chip adaptive bandwidth buses and related methods
Washington, DC: U.S. Patent and Trademark Office.
Source: NC State University Libraries
Added: August 6, 2018
2005 journal article
A low-power multirate differential PSK receiver for space applications
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, 54(6), 2074–2084.
author keywords: differential detection; phase-shift keying (PSK); space communications; subsampling
TL;DR:
A low-power phase-shift keying receiver for wireless communication for deep-space and satellite applications that employs double differential detection to be robust against Doppler shift and uses subsampling with a 1-bit A/D converter and digital decimation architecture at the front end to achieve low- power consumption.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
11. Sustainable Cities and Communities
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2005 patent
Interpolating sense amplifier circuits and methods of operating the same
Washington, DC: U.S. Patent and Trademark Office.
Source: NC State University Libraries
Added: August 6, 2018
2004 journal article
A hybrid current/voltage mode on-chip signaling scheme with adaptive bandwidth capability
IEEE TRANSACTIONS ON VERY LARGE SCALE INTEGRATION (VLSI) SYSTEMS, 12(8), 876–880.
author keywords: adaptive; bus; current-mode (CM); on-chip interconnects; repeater
TL;DR:
An adaptive bandwidth bus architecture based on hybrid current/voltage mode repeaters for long global RC interconnect static busses that achieves high-data rates while minimizing the static power dissipation associated with current-mode (CM) signaling is described.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Source: Web Of Science
Added: August 6, 2018
2003 journal article
An arbitrary waveform stimulus circuit for visual prostheses using a low-area multibias DAC
IEEE JOURNAL OF SOLID-STATE CIRCUITS, 38(10), 1679–1690.
author keywords: age-related macular degeneration; digital-to-analog converter (DAC); electrical stimulation; retinal prosthesis; retinitis pigmentosa; visual prosthesis
TL;DR:
Improvements to conventional circuit designs with significantly decreased implementation area and the ability to support arbitrary stimulus waveforms where an array of such stimulus circuits is required are described.
(via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018
2003 journal article
Computed SAR and thermal elevation in a 0.25-mm 2-D model of the human eye and head in response to an implanted retinal stimulator - Part I: Models and methods
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 51(9), 2274–2285.
author keywords: age-related macular degeneration; finite-difference time domain (FDTD); retina prosthesis; retinitis pigmentosa; specific absorption rate (SAR); stimulator IC; temperature; thermal simulation
TL;DR:
Methods and models used to estimate the heating induced in the human eye and surrounding head tissues subject to the operation of this retinal prosthesis and comparison with in vivo experimental measurements on intraocular heating in dog eyes shows good agreement.
(via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018
2003 journal article
Computed SAR and thermal elevation in a 0.25-mm 2-D model of the human eye and head in response to an implanted retinal stimulator - Part II: Results
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 51(9), 2286–2295.
author keywords: age-related macular degeneration; finite-difference time domain (FDTD); retina prosthesis; retinitis pigmentosa; specific absorption rate (SAR); stimulator IC; temperature; thermal simulation
TL;DR:
Methods and models used to estimate the heating induced in the human eye and surrounding head tissues subject to the operation of this retinal prosthesis and comparison with in vivo experimental measurements on intraocular heating in dog eyes shows good agreement.
(via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018
2003 journal article
Electronic visual prosthesis
ARTIFICIAL ORGANS, 27(11), 986–995.
author keywords: retinal prosthesis; telemetry; neurostimulator; inductive link; low power design
MeSH headings : Artificial Organs; Electric Stimulation / instrumentation; Electromagnetic Phenomena; Humans; Photic Stimulation / instrumentation; Prostheses and Implants; Prosthesis Design; Telemetry
TL;DR:
A novel method of integrating power transfer and back telemetry is described here and the goal is to design a stimulator chip with a small area with low power consumption.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Source: Web Of Science
Added: August 6, 2018
2002 journal article
Raised cosine approximation signalling technique for reduced simultaneous switching noise
ELECTRONICS LETTERS, 38(21), 1256–1258.
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Source: Web Of Science
Added: August 6, 2018
2002 journal article
Retinal prosthesis for the blind
Survey of Ophthalmology, 47(4), 335–356.
MeSH headings : Blindness / therapy; Electric Stimulation / instrumentation; Humans; Implants, Experimental; Optic Nerve Diseases / therapy; Photic Stimulation / instrumentation; Prosthesis Design; Retinal Diseases / therapy; Safety
TL;DR:
Cortical prostheses will be described only because of their direct effect on the concept and technical development of the other prostheses, and this will be done in a more general and historic perspective.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(OpenAlex)
Source: NC State University Libraries
Added: August 6, 2018
2000 journal article
A neuro-stimulus chip with telemetry unit for retinal prosthetic device
IEEE JOURNAL OF SOLID-STATE CIRCUITS, 35(10), 1487–1497.
author keywords: biomedical telemetry; neuro-stimulator; retinal prosthesis
TL;DR:
A microchip which serves as the telemetry protocol decoder and stimulus signal generator is fabricated by MOSIS with 1.2-mm CMOS technology and was demonstrated to provide the desired biphasic current stimulus pulses for an array of 100 retinal electrodes at video frame rates.
(via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018
2000 patent
Integrated circuits having cooperative ring oscillator clock circuits therein to minimize clock skew
Washington, DC: U.S. Patent and Trademark Office.
Source: NC State University Libraries
Added: August 6, 2018
2000 journal article
Integrated parametric timing optimization of digital systems
IEEE TRANSACTIONS ON COMPUTER-AIDED DESIGN OF INTEGRATED CIRCUITS AND SYSTEMS, 19(4), 482–489.
author keywords: clock skew; optimization; retiming; timing analysis
TL;DR:
This framework allows for concurrent timing optimization of a design by retiming the circuit and scheduling clock skews at flip-flops and can be formulated as a mixed-integer linear program and significantly reduce the clock period.
(via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018
1999 journal article
Convolution, deconvolution, and mean field annealing suitable for analog VLSI
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-ANALOG AND DIGITAL SIGNAL PROCESSING, 46(2), 120–128.
author keywords: analog VLSI; CMOS image acquisition; deconvolution; image processing; MAP estimation; nonlinear Bayesian processing; piecewise smooth restoration; real-time; regularization
TL;DR:
Several standard digital image processing operations are formulated as circuits suitable for implementation in real-time analog VLSI, including nonlinear piecewise-constant image restoration using mean field annealing as a global optimization technique, and the results of realizing deconvolution on a printed circuit board are reported.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
1998 journal article
Wave-pipelining: A tutorial and research survey
IEEE TRANSACTIONS ON VERY LARGE SCALE INTEGRATION (VLSI) SYSTEMS, 6(3), 464–474.
author keywords: performance optimization; VLSI circuits; wave-pipelining
TL;DR:
This paper presents a tutorial of the principles of wave-pipelining and a survey ofWave- pipelined VLSI chips and CAD tools for the synthesis and analysis of wave -pipelined circuits.
(via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018
1997 journal article
A CMOS high-speed data recovery circuit using the matched delay sampling technique
IEEE JOURNAL OF SOLID-STATE CIRCUITS, 32(10), 1588–1596.
author keywords: clock and data recovery; NRZ data; DLL; transceiver
TL;DR:
This paper presents a scheme and circuitry for demultiplexing and synchronizing high-speed serial data using the matched delay sampling technique and achieves a very fine sampling resolution which is determined by the difference between the data and clock delays.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Source: Web Of Science
Added: August 6, 2018
1997 journal article
Clocking optimization and distribution in digital systems with scheduled skews
JOURNAL OF VLSI SIGNAL PROCESSING SYSTEMS FOR SIGNAL IMAGE AND VIDEO TECHNOLOGY, 16(2-3), 131–147.
TL;DR:
A theoretical framework is first presented for solving the problem of optimally scheduling skews and a novel self-calibrating clock distribution scheme is then developed which can automatically track variations and minimize unintentional skews.
(via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
1997 journal article
Control of diamond heteroepitaxy on nickel by optical reflectance
APPLIED PHYSICS LETTERS, 70(22), 2960–2962.
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
6. Clean Water and Sanitation
(OpenAlex)
Source: Web Of Science
Added: August 6, 2018
1997 journal article
The delay vernier pattern generation technique
IEEE JOURNAL OF SOLID-STATE CIRCUITS, 32(4), 551–562.
author keywords: delay circuits; delay-locked loops; delay verniers; signal generators; wave pipelining
TL;DR:
A new technique for generating an arbitrary digital data stream with very fine timing resolution, called the delay vernier generator, which can achieve unprecedented timing resolution in a particular circuit technology.
(via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018
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