Machine learning techniques in analog/RF integrated circuit design, synthesis, layout, and test

E Afacan, N Lourenço, R Martins, G Dündar - Integration, 2021 - Elsevier
Rapid developments in semiconductor technology have substantially increased the
computational capability of computers. As a result of this and recent developments in theory …

Analog Integrated Circuit Routing Techniques: An Extensive Review

RMF Martins, NCC Lourenço - IEEE Access, 2023 - ieeexplore.ieee.org
Routing techniques for analog and radio-frequency (A/RF) integrated circuit (IC) design
automation have been proposed in the literature for over three decades. On those, an …

Overview of artificial neural networks

JPS Rosa, DJD Guerra, NCG Horta… - Using artificial neural …, 2020 - Springer
This chapter starts with a review of modern machine learning (ML) techniques. Advantages
and disadvantages of several ML methods taking into account its application to the …

Design of a 4.2-to-5.1 GHz ultralow-power complementary class-B/C hybrid-mode VCO in 65-nm CMOS fully supported by EDA tools

R Martins, N Lourenço, N Horta… - … on Circuits and …, 2020 - ieeexplore.ieee.org
Optimal voltage-controlled oscillator (VCO) design for ultralow-power (ULP) radios has to
fulfill simultaneously multiple requirements such as frequency tuning range, phase noise …

Many-objective sizing optimization of a class-C/D VCO for ultralow-power IoT and ultralow-phase-noise cellular applications

R Martins, N Lourenço, N Horta, J Yin… - … Transactions on Very …, 2018 - ieeexplore.ieee.org
In this paper, the performance boundaries and corresponding tradeoffs of a complex dual-
mode class-C/D voltage-controlled oscillator (VCO) are extended using a framework for the …

Semi-supervised artificial neural networks towards analog IC placement recommender

A Gusmão, F Passos, R Póvoa, N Horta… - … on Circuits and …, 2020 - ieeexplore.ieee.org
This paper presents an innovative approach toward the automation of the placement task of
analog integrated circuit layout design by using an artificial neural network that generates …

Artificial neural networks as an alternative for automatic analog IC placement

D Guerra, A Canelas, R Póvoa, N Horta… - … and Applications to …, 2019 - ieeexplore.ieee.org
In this paper, an exploratory research using artificial neural networks (ANNs) is conducted to
automate the placement task of analog IC layout design. The proposed methodology …

Shortening the gap between pre-and post-layout analog IC performance by reducing the LDE-induced variations with multi-objective simulated quantum annealing

R Martins, N Lourenço, R Póvoa, N Horta - Engineering Applications of …, 2021 - Elsevier
The design of analog and mixed-signal integrated circuits (ICs) is intricate due to the
continuous nature of the signals handled. Still, it is also strongly affected by the physical …

In-depth design space exploration of 26.5-to-29.5-GHz 65-nm CMOS low-noise amplifiers for low-footprint-and-power 5G communications using one-and-two-step …

L Mendes, JC Vaz, F Passos, N Lourenço… - IEEE Access, 2021 - ieeexplore.ieee.org
Low-noise amplifiers (LNAs) play a significant role in modern millimeter-wave (mmWave)
integrated circuits for fifth-generation (5G) communications systems. However, the proper …

DeepPlacer: a custom integrated OpAmp placement tool using deep models

A Gusmao, R Povoa, N Horta, N Lourenço… - Applied soft computing, 2022 - Elsevier
Mechanisms towards the automatic analog integrated circuit layout design have been an
intensive research topic in the past few decades. Still, the industrial environment has no …