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Rail-to-Rail Timer-Based Demodulator for AM Sensor Signals

Autor
Reverter, F.
Tipus d'activitat
Article en revista
Revista
IEEE transactions on instrumentation and measurement
Data de publicació
2019-01-01
Volum
68
Número
1
Pàgina inicial
306
Pàgina final
308
DOI
https://doi.org/10.1109/TIM.2018.2879127 Obrir en finestra nova
Repositori
http://hdl.handle.net/2117/128235 Obrir en finestra nova
Resum
This paper proposes a novel timer-based demodulator for low-frequency amplitude-modulated (AM) sensor signals with a rail-to-rail operating range. The demodulator extracts the amplitude of the AM signal by measuring the period of a reference signal that is altered by the AM signal itself, as already suggested in a previous paper. The rail-to-rail operation, which is the main contribution of the novel circuit, is achieved by simply but cleverly incorporating a multiplexer that enables the compari...
Paraules clau
Amplitude-modulated (AM) signal, demodulator, digital timer, rail-to-rail circuit, sensor interface electronics.
Grup de recerca
e-CAT - Circuits i Transductors Electrònics

Participants