US 12,283,959 B2
Signal conditioning circuit and measurement device
Jun Hu, Huizhou (CN)
Assigned to EVE ENERGY CO., LTD., Huizhou (CN)
Filed by EVE ENERGY CO., LTD., Huizhou (CN)
Filed on Mar. 28, 2023, as Appl. No. 18/127,005.
Claims priority of application No. 202211257754.6 (CN), filed on Oct. 13, 2022; and application No. 202222691927.7 (CN), filed on Oct. 13, 2022.
Prior Publication US 2024/0128961 A1, Apr. 18, 2024
Int. Cl. H03K 5/08 (2006.01); H03F 3/45 (2006.01); H03K 5/02 (2006.01)
CPC H03K 5/084 (2013.01) [H03F 3/45475 (2013.01); H03K 5/02 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A signal conditioning circuit, comprising:
a voltage threshold circuit, configured to output a voltage threshold signal;
a selection circuit, connected to the voltage threshold circuit; wherein the selection circuit is configured to receive an input voltage signal and the voltage threshold signal, output a first conduction signal in response to a voltage value of the input voltage signal is less than a threshold value of the voltage threshold signal, and output a second conduction signal in response to the voltage value of the input voltage signal is greater than the threshold value of the voltage threshold signal; and
a segmented voltage conditioning circuit, connected to the selection circuit and configured to receive the input voltage signal, the first conduction signal and the second conduction signal; wherein the segmented voltage conditioning circuit comprises a first segmented voltage conditioning sub-circuit and a second segmented voltage conditioning sub-circuit, the first segmented voltage conditioning sub-circuit being configured to condition the input voltage signal to output a first output voltage signal based on the first conduction signal, and the second segmented voltage conditioning sub-circuit being configured to condition the input voltage signal to output a second output voltage signal based on the second conduction signal.