Patent ID: 11924572
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 4:
5. The image sensor of claim 1, wherein each of the second amplifier and the fourth amplifier comprises:
an amplifying transistor connected between a first power supply terminal and an amplification node, and including a gate receiving a corresponding output among the first and third amplifiers;
a first bias transistor connected between the amplification node and a ground terminal;
a second bias transistor connected between the amplification node and a bias node and having a gate receiving a second switch control signal;
a third bias transistor having a drain and a source, connected to the bias node, and having a gate receiving a third switch control signal; and
a bias capacitor connected between the bias node and the ground terminal.