Work

Mixed signal controller for an experimental magnetotherapy device

Year: 2025

Type: article

Abstract: The article presents the design of a controller for an experimental magnetotherapy device. The controller realizes precise, digital generation of a 3-phase sinusoidal signal with a frequency of 1 Hz to 5 kHz and slowly variable frequency modulation of 1 Hz to 5 Hz, which is a novelty in the field of magnetotherapy. The structure and operation of the analog filter path and the regulation of the amplitude and the DC component are discussed. A fast STM32F334 microcontroller was used to generate the signal, and an ATmega2560 microcontroller was used to operate the user interface with a color touch display. Laboratory and therapeutic tests confirmed proper operation of the controller.

Source: International Journal of Electronics and Telecommunications

DOI: 10.24425/ijet.2025.153557

Authors: Paweł Pawłowski, Marek Portalski

Institution: Poznań University of Technology

Language: English

Topic: Analog and Mixed-Signal Circuit Design

Subfield: Biomedical Engineering

Field: Engineering

Domain: Physical Sciences

SDG: Good health and well-being

Open Access status: gold

Estimated APC paid: $115