Active load isolator and wireless speaker for mixed signal...

Details Active load isolator and wireless speaker for mixed signal... Active load isolator and wireless speaker for mixed signal...

H - Electricity

04

B

H04B 1/44 (2006.01) H04R 3/00 (2006.01)

Patent

CA 2693268

An isolation circuit includes a low dropout operational current control loop and a shunt regulator. The current control loop is configured to drive the shunt regulator to result in a high dynamic impedance ratio between a voltage source and a load. The current control loop may include a series-pass transistor, a current sensing resistor, and a high side current sensor.

L'invention concerne un circuit d'isolation comportant une boucle de commande de courant opérationnelle à faible perte de niveau et un régulateur de dérivation. La boucle de commande de courant est conçue pour piloter le régulateur de dérivation de manière à obtenir un rapport d'impédance dynamique élevé entre une source de tension et une charge. La boucle de commande de courant peut comporter un transistor de chute, une résistance de détection de courant et un détecteur de courant amont.

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