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 …

Multi-objective optimization of analog integrated circuit placement hierarchy in absolute coordinates

R Martins, N Lourenço, N Horta - Expert Systems with Applications, 2015 - Elsevier
In this paper, the concept of multi-objective optimization is introduced in the automation of
the placement task in analog integrated circuits layout design. To bridge the difficulties found …

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 …

Cryptographically Secure PseudoRandom Bit Generator for Wearable Technology

M Melosik, M Galan, M Naumowicz, P Tylczyński… - Entropy, 2023 - mdpi.com
This paper presents a prototype wearable Cryptographically Secure PseudoRandom Bit
Generator CSPRBG (wearable CSPRBG). A vest prototype has been fabricated to which an …

0.50-V ultra-low-power Σ Δ modulator for sub-nA signal sensing in amperometry

S Szczęsny, M Kropidłowski… - IEEE Sensors …, 2020 - ieeexplore.ieee.org
The article presents implementation details of a Sigma-Delta modulator for use in ADC
converters of signals with a really low amperage, ie up to 1 nA. The paper describes an …

0.3 V 2.5 nW per channel current-mode CMOS perceptron for biomedical signal processing in amperometry

S Szczęsny - IEEE Sensors Journal, 2017 - ieeexplore.ieee.org
This paper describes an implementation of a preprocessor with a perceptron for applications
in amperometry. The perceptron operates in the current mode, in the weak-inversion area …

High speed and low sensitive current-mode CMOS perceptron

S Szczęsny - Microelectronic Engineering, 2016 - Elsevier
The paper presents a prototype of a perceptron network working in the current mode, with a
digital interface for applications in analog-to-digital systems. The presented implementation …

Study of the Complexity of CMOS Neural Network Implementations Featuring Heart Rate Detection

P Baryczkowski, S Szczepaniak, N Matykiewicz, K Perz… - Electronics, 2023 - mdpi.com
The growing popularity of edge computing goes hand in hand with the widespread use of
systems based on artificial intelligence. There are many different technologies used to …

[HTML][HTML] Remote prototyping of FPGA-based devices in the IoT concept during the COVID-19 pandemic

M Melosik, M Naumowicz, M Kropidłowski… - Electronics, 2022 - mdpi.com
This paper presents a system for the remote design and testing of electronic circuits and
devices with FPGAs during COVID-19 and similar lockdown periods when physical access …

Current-mode FPAA with CMRR elimination and low sensitivity to mismatch

S Szczęsny - Circuits, Systems, and Signal Processing, 2017 - Springer
This article introduces a current-mode field-programmable analog array (FPAA) architecture
with its programming methods. The biggest benefit of the proposed approach is solving the …