A protective circuit

Details A protective circuit A protective circuit

H - Electricity

03

F

H03F 1/52 (2006.01)

Patent

CA 2271709

A protective circuit in a power amplifier (1) is adapted, by limiting the maximum output current of the power amplifier (1) and by quickly recharging compensating capacitors (C1, C2, C3) in the power amplifier (1), to limit the amount and duration of the power drain in the power amplifier (1) upon over- excitation of the power amplifier (1).

Cette invention concerne un circuit de protection utilisé dans un amplificateur de puissance (1). En limitant le courant de sortie maximal de l'amplificateur de puissance (1) et en rechargeant rapidement les condensateurs de compensation (C1, C2, C3) de celui-ci (1), le circuit va ainsi limiter la quantité et la durée de drainage de puissance dudit amplificateur de puissance (1) lors d'une surexcitation de ce dernier (1).

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