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Communication Dans Un Congrès Année : 2023

Inductive relaxation oscillator with current-limiting

Résumé

In this paper a resistive-inductive relaxation oscillator allowing a current limitation through the inductor and the other passive components is presented. The proposed topology is an astable multivibrator using one current-input to voltage-output comparator, one inductor and 3 resistances only. A prototype has been designed using ADA4891 opamps from Analog Devices. Under a 3.3 V single supply voltage, measurement results have shown a clock frequency variation from 1.8 kHz to 6 MHz for a set of inductance values between 100 nH to 10 mH. The measurement has confirmed the limitation of the currents passing through the inductor.

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Dates et versions

hal-04188274 , version 1 (25-08-2023)

Licence

Paternité - Pas d'utilisation commerciale

Identifiants

Citer

Hervé Barthélémy, Florent Barthélémy, Rémy Vauché, Sylvain Bourdel. Inductive relaxation oscillator with current-limiting. 21st IEEE Interregional NEWCAS Conference (NEWCAS 2023), Jun 2023, Edinburgh, United Kingdom. ⟨10.1109/NEWCAS57931.2023.10198116⟩. ⟨hal-04188274⟩
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