Patent ID: 11899055
Assignee: SHANGHAI AVIC OPTOELECTRONICS CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 9:
10. The method for electrical performance detection of the circuit board according to claim 7, wherein the electrical performance detection circuit comprises an operational amplifier, a sampling circuit, an analog-to-digital converter and a processor, wherein
the operational amplifier comprises a first input terminal electrically connected to the detection terminal, a second input terminal electrically connected to an output terminal of the operational amplifier, and the output terminal electrically connected to an input terminal of the sampling circuit, and
an output terminal of the sampling circuit is electrically connected to an input terminal of the analog-to-digital converter, and an output terminal of the analog-to-digital converter is electrically connected to the processor.