| 摘要 |
A drive circuit includes a load circuit, first and second series circuits, a bias circuit, and first and second voltage applying units. The load circuit is arranged between first and second nodes. The first series circuit is arranged between a first power supply node for supply of a first voltage and a second power supply node for supply of a second voltage. The first series circuit includes a first first-type transistor and a first second-type transistor connected in series with the first node therebetween. The second series circuit includes a second first-type transistor and a second second-type transistor connected in series with the second node therebetween. The bias circuit generates a first bias voltage to bias the first and second first-type transistors and generates a second bias voltage to bias the first and second second-type transistors. The first and second voltage applying units each include a plurality of switches.
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