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Single trimming resistorless CMOS sub-bandgap voltage references for high precision applications
(2021) [Dissertação]A voltage reference is a relevant circuit class since its output voltage should generate an accurate reference for many analog, mixed-signal, and digital applications. This type of circuit works based on the mutual ... -
Initial detailed routing algorithms
(2021) [Dissertação]In this work, we present a study of the problem of routing in the context of the VLSI physical synthesis flow. We study the fundamental routing algorithms such as maze routing, A*, and Steiner tree-based algorithms, as ... -
Approximate and timing-speculative hardware design for high-performance and energy-efficient video processing
(2021) [Tese]Since the end of transistor scaling in 2-D appeared on the horizon, innovative circuit design paradigms have been on the rise to go beyond the well-established and ultraconservative exact computing. Many compute-intensive ... -
Reliability evaluation of finFET-based SRAMs in the presence of resistive defects
(2021) [Tese]The development of Fin Field Effect Transistor (FinFET) has made possible the continuous scaling-down of Complementary Metal-Oxide-Semiconductor (CMOS) technology, overcoming issues caused by the Short-Channel Effects. In ... -
Variability and voltage scaling aware FinFET design
(2020) [Dissertação]Technology scaling alongside the increasing process variability impact in modern technology nodes are the main reasons to control deviations over metrics in IC nanometer designs. Also, given the increasing set of devices ... -
Flexible temperature pressure organic sensor
(2020) [Dissertação]This work aimed to develop pressure and temperature sensor based on piezo-resistive and thermoelectric phenomena, using porous polyurethane and melamine foams impregnated with a solution of Poly (3,4-ethylenedioxythiophe ... -
Study and application of direct RF power injection methodology and mitigation of electromagnetic interference in ADCs
(2020) [Dissertação]There are many publications available in literature regarding the DPI (Direct Power Injection) technique for electronic systems, but few works specifically addressed for mixed-signal converters, which are components existent ... -
CMOS RFIC amplifiers design for wideband sub-3 GHz and 28-30 GHz millimeter wave applications
(2017) [Tese]This thesis presents two hardware options to help solve the problem of spectrum saturation in wireless communications from 2014 to 2018. Both options require the operation of a Radio Frequency Integrated Circuits (RFIC) ... -
Materiais semicondutores alternativos ao silício : passivação do germânio e síntese de dissulfeto de molibdênio
(2020) [Tese]Nas últimas décadas a indústria da microeletrônica evoluiu rapidamente. Atualmente, novos materiais semicondutores têm sido pesquisados para substituir o Si em dispositivos. No presente trabalho, foram estudados o processamento ... -
Energy-efficient recurrent neural network hardware architecture for heart rate estimation based on photoplethysmography
(2020) [Tese]The increasing power density and the pervasive use of compute-intensive and powerhungry applications demand energy-efficient CMOS design. The quest for energy-efficient systems particularly concerns in wearable devices for ...
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