Patent ID: 11936354
Assignee: REALTEK SEMICONDUCTOR CORPORATION
Field: Basic communication processes (Electrical engineering)
Classification: CPC H | IPC H

Claim 16:
17. The amplifier circuit of claim 16 further comprising:
a bias circuit configured to generate a first bias voltage, a second bias voltage, a third bias voltage, and a fourth bias voltage according to a third reference voltage, a fourth reference voltage, a fifth reference voltage, a sixth reference voltage, the first input signal, and the second input signal;
wherein the first bias voltage is an operation result of the first input signal, the third reference voltage, and the fourth reference voltage, the second bias voltage is an operation result of the second input signal, the third reference voltage, and the fourth reference voltage, the third bias voltage is an operation result of the first input signal, the fifth reference voltage, and the sixth reference voltage, the fourth bias voltage is an operation result of the second input signal, the fifth reference voltage, and the sixth reference voltage, a third control terminal of the third transistor receives the first bias voltage, a fourth control terminal of the fourth transistor receives the second bias voltage, a fifth control terminal of the fifth transistor receives the third bias voltage, and a sixth control terminal of the sixth transistor receives the fourth bias voltage.