Search Results - "Lisboa de Souza, Antonio Augusto"
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1
Design of a 77-GHz LC-VCO With a Slow-Wave Coplanar Stripline-Based Inductor
Published in IEEE transactions on circuits and systems. I, Regular papers (01-02-2020)“…The objective of this paper is to demonstrate that the use of a distributed approach for the design of the inductance of an LC-tank millimeter-wave (mm-wave)…”
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Journal Article -
2
Accurate Design Method for Millimeter Wave Distributed Amplifier Based on Four-Port Chain (ABCD) Matrix Model
Published in IEEE transactions on circuits and systems. I, Regular papers (01-11-2022)“…This article presents a matrix-based model suitable for millimeter-wave (mm-wave) distributed amplifier (DA) design, based on four-port chain (ABCD) formalism…”
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3
Flexible A/D converter architecture targeting sparse signals
Published in 2014 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) Proceedings (01-05-2014)“…In this article, we examine different architectures of analog-to-digital converters (ADCs) and propose a flexible architecture based on sampling by crossing…”
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Conference Proceeding -
4
Integrated Stacked Parallel Plate Shunt Capacitor for Millimeter-Wave Systems in Low-Cost Highly Integrated CMOS Technologies
Published in IEEE solid-state circuits letters (2022)“…This letter presents a stacked parallel plate (SPP) shunt capacitor (SC) that benefits from metal stack increment with process nodes advancement. It…”
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5
Integrated Wideband Millimeter-Wave Bias-Tee - Application to Distributed Amplifier Biasing
Published in 2021 19th IEEE International New Circuits and Systems Conference (NEWCAS) (13-06-2021)“…A wideband fully-integrated bias-tee well suited for millimeter waves is presented. Compared to conventional bias-tees, where RF-choke is optimized on the…”
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Conference Proceeding -
6
mm-Wave Single-Pole Double-Throw switches: HBT- vs MOSFET-based designs
Published in 2021 19th IEEE International New Circuits and Systems Conference (NEWCAS) (13-06-2021)“…This paper aims to compare the performance of HBT-based and MOSFET-based mm-Wave SPDT switches in a single BiCMOS technology. To the best of authors'…”
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7
Scalable Modeling and Synthesis of On-Chip Spiral Inductors
Published in 2019 4th International Symposium on Instrumentation Systems, Circuits and Transducers (INSCIT) (01-08-2019)“…In this paper, an efficient synthesis for integrated spiral inductors based on particle swarm optimization is presented. The synthesis/optimization process…”
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Conference Proceeding -
8
On the cyclostationary properties of the 1/f noise of microwave semiconductor devices
Published in 2008 IEEE MTT-S International Microwave Symposium Digest (01-06-2008)“…This paper addresses, from an experimental perspective, the long-standing question on whether the 1/f noise of microwave semiconductor devices should be…”
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9
Cascaded tunable distributed amplifiers for serial optical links: Some design rules
Published in 2020 18th IEEE International New Circuits and Systems Conference (NEWCAS) (01-06-2020)“…In the framework of circuits for 5G, this paper presents an innovative power efficient method to design cascaded distributed amplifiers. Validation is achieved…”
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Conference Proceeding -
10
Non-uniform sampling based ADC architecture using an adaptive level-crossing technique
Published in 2017 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) (01-05-2017)“…This paper presents a non-uniform sampling analog-to-digital converter (ADC) architecture using an adaptive level-crossing technique. The architecture can be…”
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Conference Proceeding -
11
Energy-autonomous wind speed smart sensor
Published in 2014 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) Proceedings (01-05-2014)“…This article presents an energy-autonomous smart sensor targeting wind speed measurements for distributed energy generation. The sensor uses a combination of a…”
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Conference Proceeding -
12
Dual approach for bipolar transistor thermal impedance determination
Published in Microelectronics (01-09-2010)“…This paper presents a dual approach for a coherent determination and validation of heterostructure bipolar transistor (HBT) thermal impedance. This study…”
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Journal Article -
13
A Methodology to Characterize the Low-Frequency Noise of InP Based Transistors
Published in 2008 European Microwave Integrated Circuit Conference (01-10-2008)“…This paper describes a methodology to measure the low-frequency noise of InP-based transistors. These transistors have demonstrated transition frequencies (f t…”
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Conference Proceeding -
14
Design and fabrication of a 45GHz MMIC oscillator based on InP/GaAsSb/InP DHBT process
Published in 2010 Workshop on Integrated Nonlinear Microwave and Millimeter-Wave Circuits (01-04-2010)“…This paper presents the design of a MMIC oscillator operating at a 45 GHz frequency. This circuit was fabricated by Alcatel-Thales III-V Lab with the new…”
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15
A new experimental method to characterize cyclostationary noise models of bipolar devices
Published in 2008 IEEE International Frequency Control Symposium (01-05-2008)“…This paper presents an experimental method that can be used to determine the cyclostationary properties of the low-frequency noise of bipolar transistors and…”
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Conference Proceeding