Patent ID: 11937005
Assignee: GUANGZHOU TYRAFOS SEMICONDUCTOR TECHNOLOGIES CO., LTD
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 7:
8. The output stage circuit according to claim 1, wherein the control terminal of the fifth transistor is coupled to the second terminal of the fifth transistor, and the output stage circuit further comprises:
a tenth transistor, wherein a first terminal of the tenth transistor is coupled to the supply voltage, a control terminal of the tenth transistor is coupled to the control terminal of the fifth transistor and the control terminal of the sixth transistor;
an eleventh transistor, wherein a first terminal of the eleventh transistor is coupled to a second terminal of the tenth transistor, a control terminal of the eleventh transistor is coupled to the control terminal of the seventh transistor, and a second terminal of the eleventh transistor is coupled to the ground terminal voltage; and
a third operational amplifier, wherein a first input terminal of the third operational amplifier is coupled to the second terminal of the tenth transistor, a second input terminal of the third operational amplifier is coupled to the second terminal of the sixth transistor, and an output terminal of the third operational amplifier is coupled to the control terminal of the fourth transistor and the control terminal of the first transistor.