Presentation Information

[C-2A-03]Improvement in Efficiency of Power Amplifier Injecting Envelope Component

〇yasunori suzuki1, kiyotaka komoku1, Jun Furuta1, Nobuyuki Itoh1 (1. Okayama Prefectural University)

Keywords:

amplifier,envelope,Saturated amplifier,linear amplifier

We have proposed an amplifier configuration in which the input signal to a power amplifier is split into a constant-envelope component and an envelope component, and amplifiers that amplify the constant-envelope component and the envelope component, respectively, are arranged in parallel. In this paper, we propose a configuration in which the amplifier that amplifies the envelope component is linearized. This enables higher efficiency in the amplifier that amplifies the envelope component and improves the overall efficiency of the proposed configuration.