| 摘要 |
A circuit is provided that (in one implementation) includes a first transistor having a first drain terminal, first gate terminal, and a first source terminal. The first drain terminal is connected to the first gate terminal, the first source terminal is connected to a first voltage. The circuit further includes a second transistor having a second drain terminal, second gate terminal, and a second source terminal. The second gate terminal is connected to both the first gate terminal and the first drain terminal, and the second source terminal is connected to the first voltage. The circuit further includes a third transistor having a third drain terminal, a third gate terminal, and a third source terminal. The third drain terminal is connected to the first drain terminal, and the third source terminal is connected to both the third gate terminal and a second voltage that is lower than the first voltage.
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