Invention Grant
US08446181B2 Sampling circuit and image signal amplifying circuit each including feedback clamp block and image sensor including the image signal amplifying circuit
有权
采样电路和图像信号放大电路各自包括反馈钳位块和包括图像信号放大电路的图像传感器
- Patent Title: Sampling circuit and image signal amplifying circuit each including feedback clamp block and image sensor including the image signal amplifying circuit
- Patent Title (中): 采样电路和图像信号放大电路各自包括反馈钳位块和包括图像信号放大电路的图像传感器
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Application No.: US13086752Application Date: 2011-04-14
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Publication No.: US08446181B2Publication Date: 2013-05-21
- Inventor: Min-sun Keel , Young-kyun Jeong , Won-ho Choi , Ji-hun Shin
- Applicant: Min-sun Keel , Young-kyun Jeong , Won-ho Choi , Ji-hun Shin
- Applicant Address: KR Suwon-si, Gyeonggi-do
- Assignee: Samsung Electronics Co., Ltd.
- Current Assignee: Samsung Electronics Co., Ltd.
- Current Assignee Address: KR Suwon-si, Gyeonggi-do
- Agency: Lee & Morse, P.C.
- Priority: KR10-2010-0034392 20100414
- Main IPC: H03K5/00
- IPC: H03K5/00
Abstract:
A sampling circuit samples an input signal by using at least one switch, at least one capacitor, an amplifier, and a clamp block connected between an output terminal and a negative input terminal of the amplifier. The clamp block prevents a difference between a voltage level of the output terminal of the amplifier and a voltage level of the negative input terminal of the amplifier during sampling from exceeding a maximum voltage difference.
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