Patent ID: 11881639
Assignee: SHENZHEN ZHIYONG ELECTRONICS CO., LTD.
Field: Telecommunications (Electrical engineering)
Classification: CPC G  H | IPC H

Claim 7:
8. The signal isolation and transmission device of claim 7, wherein the voltage regulating circuit comprises:
a first resistor, a second resistor, a third resistor, a first operational amplifier, a fourth resistor, a fifth resistor and a sixth resistor;
a first end of the first resistor is used as an input end of the voltage regulating circuit, a first end of the second resistor is connected to a floating output, a first end of the third resistor is connected to a first bias voltage, and a common of a second end of the first resistor, a second end of the second resistor and a second end of the third resistor is connected to a non-inverting input end of the first operational amplifier;
a common between a first end of the fourth resistor and a first end of the fifth resistor is connected with an inverting input end of the first operational amplifier, a second end of the fourth resistor is connected with a floating output, a common between a second end of the fifth resistor and an output end of the first operational amplifier is connected with a first end of the sixth resistor, and a second end of the sixth resistor is used as an output end of the voltage regulating circuit.