Patent ID: 11863127
Assignee: REALTEK SEMICONDUCTOR CORPORATION
Field: Basic communication processes (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. An amplifier device, comprising:
a regulator circuit configured to output a first driving voltage;
a first voltage converting circuit coupled to the regulator circuit, configured to receive the first driving voltage, and select one of the first driving voltage and at least one first voltage related to the first driving voltage in order to output a first operating voltage;
a first control circuit coupled to the first voltage converting circuit through a first node, and configured to receive the first operating voltage, and generate a first operating signal according to the first operating voltage and a first control signal; and
an amplifier circuit coupled to the first control circuit and the regulator circuit, configured to receive the first driving voltage, and controlled by the first operating signal to generate an output voltage.