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发明授权
CN104704740B 多赫尔蒂功率放大器 有权

多赫尔蒂功率放大器
摘要：
提供一种多赫尔蒂(Doherty)功率放大器，包括主放大器、辅助放大器以及管理辅助放大器的操作的控制器，该控制器进行操作以根据提供给功率放大器的输入信号电压而在操作状态与非操作状态之间切换辅助放大器的操作状态，使得辅助放大器在输入电压低于输入电压阈值时不操作以及在输入电压高于输入电压阈值时进行操作。
摘要（英）：

A Doherty power amplifier including a main amplifier, an auxiliary amplifier and a controller governing the operation of the auxiliary amplifier, the controller being operative to switch the operational state of the auxiliary amplifier between an operational state and a non-operational state as a function of input signal voltage supplied to the power amplifier such that the auxiliary amplifier is inoperative when the input voltage is below an input voltage threshold and is operative when the input voltage is above the input voltage threshold.

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