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

Claim 17:
18. The amplifier device of claim 14, further comprising:
a second voltage converting circuit comprising:
at least one second voltage divider unit configured to receive a second driving voltage, and output at least one second voltage according to the second driving voltage;
a third switch coupled to the voltage input terminal, and configured to receive and transmit the second driving voltage to be a second operating voltage; and
a fourth switch coupled to the at least one second voltage divider unit, and configured to receive and transmit the at least one second voltage to be the second operating voltage; and
a second control circuit coupled between the amplifier circuit and the second voltage converting circuit, wherein the second control circuit is configured to receive the second operating voltage to generate a second operating signal,
wherein the amplifier circuit is configured to generate the output voltage according to the first operating signal and the second operating signal.