| 摘要 |
A class-AB output stage circuit is configured with controllable reference voltages for providing stable quiescent current. An exemplary output stage circuit comprises one or more control circuits, such as feedback loops, configured to control and/or adjust the reference voltages within the class-AB circuit based on the output voltage and/or supply rail voltage levels. In addition, an exemplary output stage circuit can also comprise one or more clamp circuits configured to facilitate operation of the output stage circuit when the output supply is proximate to or exceeds a positive or a negative supply rail.
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