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温度補正回路、物理量検出装置、電子機器及び移動体
专利权人:
セイコーエプソン株式会社
发明人:
宇野 智博
申请号:
JP20130057764
公开号:
JP6268726(B2)
申请日:
2013.03.21
申请国别(地区):
日本
年份:
2018
代理人:
摘要:
PROBLEM TO BE SOLVED: To provide a signal correction circuit that relatively easily increases the accuracy of correcting an input signal while decreasing a circuit area.SOLUTION: A signal correction circuit 1 includes a differential amplification circuit 10 including a first switch element 21, a second switch element 23, a third switch element 25, a fourth switch element 27, a first capacitive element 41, a second capacitive element 43, a third capacitive element 42, a fourth capacitive element 44 and an operational amplifier 20. One input terminal of the operational amplifier 20 is fed with a first input signal via the first switch element and the first capacitive element, and is fed with one of a first control signal and a second control signal via the third switch element and the second capacitive element. The other input terminal of the operational amplifier 20 is fed with a second input signal via the second switch element and the third capacitive element, and is fed with the other of the first control s
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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