| 摘要 |
PROBLEM TO BE SOLVED: To provide an operation amplifying circuit for improving the responsiveness of the drop of the output voltage of an operation amplifier. SOLUTION: This operation amplifying circuit 3 is configured of an operation amplifier 31 and an N channel MOSFET 2 of an N channel whose drain terminal is connected to an output terminal 37 of the operation amplifier 31, and whose source terminal is connected to ground, and which is turned on when a stop signal Ss1 to be input to the gate terminal becomes a high level, and which adjusts the voltage of the output terminal 37 to a ground level. COPYRIGHT: (C)2008,JPO&INPIT
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