Results 81 to 90 of about 769 (247)

Friend, Not Foe: Lowered Tissue Reactivity to Long‐Term Polyimide Implants

open access: yesAdvanced Science, EarlyView.
The choice of optimal neural probe designs remains a major challenge in the field of neurotechnology. This study investigated the biocompatibility of several probe variations, including material, thickness, width, and implantation strategy. It highlights the clear advantage of soft polyimide probes over stiff silicon probes for better device ...
Corinne Orlemann   +11 more
wiley   +1 more source

Switched-capacitor techniques for high-accuracy filter and ADC design

open access: yes, 2007
Switched capacitor (SC) techniques are well proven to be excellent candidates for implementing critical analogue functions with high accuracy, surpassing other analogue techniques when embedded in mixed-signal CMOS VLSI.
Quinn, P.J., Roermund, van, A.H.M.
core   +1 more source

Advances and Perspectives in Graphene‐Based Quantum Dots Enabled Neuromorphic Devices

open access: yesAdvanced Science, EarlyView.
Graphene‐based QDs are zero‐dimensional carbon nanomaterials with pronounced quantum confinement and tunable electronic structures. Herein, we summarize their synthesis strategies and functionalization methods, and highlight their functional roles and operating mechanisms in devices, as well as recent advances in neuromorphic electronics. We anticipate
Yulin Zhen   +9 more
wiley   +1 more source

Integrated analogue CMOS circuits and structures for heart rate detectors and other low-voltage, low-power applications

open access: yes, 2011
Tiivistelmä Tämä väitöskirja käsittelee matalan käyttöjännitteen pienitehoisten piirirakenteiden kehittämistä kannettaviin, paristokäyttöisiin sovelluksiin kuten esimerkiksi sykemittareihin, sydämen tahdistimiin ja kuulolaitteisiin. Matalalla käyttöjännitteellä tarkoitetaan jännitettä, joka on pienempi tai yhtäsuuri kuin analogisen kytkimen tarvitsema ...
openaire   +1 more source

Optimal Sizing of Configurable Devices to Reduce Variability in Integrated Circuits

open access: yes
This paper describes a systematic approach that facilitates yield improvement of integrated circuits at the post-manufacture stage. A new Configurable Analogue Transistor (CAT) structure is presented that allows the adjustment of devices after ...
Wilcock, Reuben, Wilson, Peter
core  

Generation and Verification of Tests for Analog Circuits Subject to Process Parameter Deviations

open access: yes, 2004
The paper presents a test stimulus generation and fault simulation methodology for the detection of catastrophic faults in analog circuits. The test methodology chosen for evaluation is RMS AC supply current monitoring.
Chalk, CD   +3 more
core  

Temperature‐Resilient Reconfigurable Physical Unclonable Function Driven by Pulse Modulation Using CMOS‐Integrated Spintronic Chips

open access: yesAdvanced Science, EarlyView.
A reconfigurable physical unclonable function is developed using CMOS‐integrated SOT‐MRAM chips, leveraging a dual‐pulse strategy and offering enhanced environmental robustness. A temperature‐compensation effect arising from the CMOS transistor and SOT‐MTJ is revealed and established as a key prerequisite for thermal resilience.
Min Wang   +7 more
wiley   +1 more source

Um monitor do estado de carga da bateria de dispositivos eletrônicos implantáveis [PDF]

open access: yes, 2006
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia ElétricaThis work proposes a system, of very low power consumption, able to monitor the remaining charge of the batteries used in
Machado, Márcio Bender
core  

Current-mode analogue integrated circuit for sliding-mode control of switching power converters

open access: yes, 2002
An analogue integrated circuit designed to implement sliding-mode control laws for high frequency switching DC-DC power converters is presented. The circuit operates in current-mode, providing high speed, modularity and the capability of including ...
Alarcón Cot, Eduardo José   +4 more
core   +1 more source

CMOS‐Integrated Synaptic Photoreceptor Chip Inspired by Insect Visual Processing

open access: yesAdvanced Science, EarlyView.
CMOS‐integrated Si QDs/ReS2 synaptic photoreceptor array mimics the parallel processing and wavelength‐selective strategy of insect vision. By combining intrinsic ultraviolet‐violet sensitivity with synaptic plasticity, the chip enables frontend sensory redundancy reduction without external filters, offering a scalable pathway toward lowpower ...
Jian Chai   +25 more
wiley   +1 more source

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