| 摘要 |
<p>An amplifier (100, 300) comprises a main amplification stage (40) and an auxiliary amplification stage (50). An input of the main amplification stage (40) and an input of the auxiliary amplification stage (50) are coupled to a common node (30), and an output of the main amplification stage (40) is coupled to an output node (20). During activation, before power is supplied to the main amplification stage (40), the output node (30) is coupled to a reference voltage (V REF ). A quiescent voltage is then established at the common node (30) by coupling power to the auxiliary amplification stage (50). Only then is power coupled to the main amplification stage (40) and the reference voltage (V REF ) de-coupled from the output node (20).</p> |
