| 摘要 |
First and second voltage buffers are added to an amplifying circuit including input and output amplifying stages in which a P-MOS transistor and an N-MOS transistor operate as a push-pull circuit. An input of the first voltage buffer is connected to an output of the amplifying circuit, and an output of the first voltage buffer is connected via a first phase compensating capacitor to a gate electrode of the P-MOS transistor, and is connected via a second phase compensating capacitor to a gate electrode of the N-MOS transistor. An input of the second voltage buffer is connected to the output of the amplifying circuit, and an output of the second voltage buffer is connected via a third phase compensating capacitor to the gate electrode of the P-MOS transistor, and is connected via a fourth phase compensating capacitor to the gate electrode of the N-MOS transistor.
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