Conduction control method and device for peak value amplifier, and Doherty power amplifier
一种峰值放大器、功率放大器的技术
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[0037] The main idea of the present invention is to reduce the power consumption of the peak amplification by controlling the signal on-off of the peak amplification branch of the Doherty power amplifier, thereby improving the efficiency of the entire power amplifier.
[0038] Based on the above thinking, the present invention adopts the following technical solutions: add a radio frequency switch circuit in the peak amplification branch of the Doherty power amplifier, when the input signal of the peak amplification branch increases to a suitable amplitude, the radio frequency switch is turned on, and the peak amplifier is turned on , avoiding the early turn-on of the peak amplifier, thereby reducing the power consumption of the peak amplifier and improving the efficiency of the entire amplifier.
[0039] In order to make the purpose, technical solution and advantages of the present invention more clear, the embodiments of the present invention will be described in detail belo...
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