Patent ID: 11874305
Assignee: SHENZHEN ZHIYONG ELECTRONICS CO., LTD.
Field: Measurement (Instruments)
Classification: CPC G  H | IPC G  H

Claim 2:
3. The attenuator of claim 1, wherein the reverse attenuation circuit comprises a fourth resistor, a fifth resistor, a sixth resistor and a second capacitor;
a first parallel end of the second capacitor and the fourth resistor is connected with a negative polarity of a signal to be tested, and a second parallel end of the second capacitor and the fourth resistor is connected with a first end of the third compensation unit and a first end of the fifth resistor;
a common between a second end of the fifth resistor and a first end of the sixth resistor is connected with a first end of the fourth compensation unit and an inverting input of the differential amplifier;
a second end of the sixth resistor is connected with a floating output.