| 发明名称 |
RECEIVING CIRCUIT, SEMICONDUCTOR DEVICE AND SENSOR DEVICE |
| 摘要 |
<P>PROBLEM TO BE SOLVED: To suppress a noise generated in switching to a reception operation. <P>SOLUTION: A receiving circuit 10 includes an amplifier 15 amplifying input signals SP and SN of a piezoelectric sensor 2, and a plurality of transistors 11a and 11b (or 12a and 12b) connected in parallel between one end of the piezoelectric sensor 2 and one end of the amplifier 15 and turned on by phase shifting in switching to a reception operation. <P>COPYRIGHT: (C)2013,JPO&INPIT |
| 申请公布号 |
JP2013070358(A) |
申请公布日期 |
2013.04.18 |
| 申请号 |
JP20120113181 |
申请日期 |
2012.05.17 |
| 申请人 |
ROHM CO LTD |
发明人 |
NIWA ISAO;NOGUCHI YOICHIRO |
| 分类号 |
H03K17/00;H03K17/296;H03K17/687;H03K19/0175;H03K19/0944 |
主分类号 |
H03K17/00 |
| 代理机构 |
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