Vol. 29 No. 1 (2024)

Microsystems and Physical Electronics № 01

Inductor-Less Broadband Energy-Efficient Active Balun up to 60GHz

Tetiana Oleksiivna Baluta, Alexander Meyer, Vadim Issakov, Yurii Volodymyrovych Vuntesmeri

The paper presents a non-inductive broadband energy-efficient active balun based on a differential pair, intended for use in the input block of a frequency divider for…

#analog integrated circuit #frequency divider #active balun #differential transformation

p. 291603.1-291603.8

10.20535/2523-4455.mea.291603

Electronic Systems and Signals № 02

Formation of the Spectral Composition of the Output Voltage of Converters for Nuclear Magnetic Resonance

Artur Volodymyrovych Zahranychnii

In this paper, we consider the construction of an asynchronous control system for semiconductor converters for nuclear magnetic resonance. The relevance of research in…

#nuclear magnetic resonance #multilevel inverter #asynchronous pulse width modulation #mathematical model

p. 291566.1-291566.7

10.20535/2523-4455.mea.291566

Electronic Systems and Signals № 03

Application of k-Nearest Neighbors Method for Drug Concentration and Cardiotoxicity Classification Using Extracellular Field Potentials and Reconstructed Action Potentials of Cardiac Cells

Mukhailo Oleksandrovych Shpotak, Nataliia Heorviivna Ivanushkina

Micro-electrode array (MEA) systems are important for measuring extracellular field potentials (FP) of cardiac cells, which is a crucial step in cardiotoxicity…

#extracellular field potentials #reconstructed action potentials #machine learning #k-nearest neighbours

p. 295601.1-295601.8

10.20535/2523-4455.mea.295601

Electronic Systems and Signals № 04

Determination of Signs of Sleep Apnea Using Machine Learning Methods in Combination with Reducing the Dimensionality of Heart Rate Variability Features

Аміна Сергіївна Самсоненко, Антон Олександрович Попов

Obstructive Sleep Apnea Syndrome (OSAS) is a clinically significant disorder characterized by recurrent episodes of upper airway obstruction, manifesting as either apnea…

#apnoe #machine learning #classification #dimensionality reduction

p. 297387.1-297387.7

10.20535/2523-4455.mea.297387

Electronic Systems and Signals № 05

Evaluation of the Limitation of Operational Parameters of the IEEE 802.11 ac Network in the 20MHz Channel

Oleksandra O. Omelianets, Volodymyr Semenovych Lazebnyi

IEEE 802.11 wireless network technologies are widely used to create corporate and personal local networks for data exchange and access to Internet resources. The main…

#wireless network #jitter #delay #bandwidth

p. 297580.1-297580.8

10.20535/2523-4455.mea.297580