发明授权
- 专利标题： Signal level conversion circuit, physical quantity detection device and electronic apparatus
- 专利标题（中）： 信号电平转换电路，物理量检测装置和电子设备
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申请号： US13186859申请日： 2011-07-20
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公开(公告)号： US08525591B2公开(公告)日： 2013-09-03
- 发明人: Yoshinao Yanagisawa , Takayuki Kikuchi
- 申请人： Yoshinao Yanagisawa , Takayuki Kikuchi
- 申请人地址： JP
- 专利权人： Seiko Epson Corporation
- 当前专利权人： Seiko Epson Corporation
- 当前专利权人地址： JP
- 代理机构： Harness, Dickey & Pierce, P.L.C.
- 优先权： JP2010-240736 20101027
- 主分类号： H03F3/45
- IPC分类号： H03F3/45
摘要：
A signal level conversion circuit 1 includes a first differential amplifier circuit 10 and a second differential amplifier circuit 20. The first differential amplifier circuit 10 multiplies a potential difference between a first input signal and a second input signal by G1 thereby providing an output signal. The second differential amplifier circuit 20 multiplies a potential difference between the output signal of the first differential amplifier circuit 10 and the second input signal by G2 thereby providing an output, where the two gains satisfy the relation of G1×G2
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