The high efficiency digital audio amplifier technology [2]is adopted to develop the power supply modulator and the Class-D switching amplifier technology[3] is adopted to develop the high efficiency RF amplifier.
本论文利用EER( Envelope Elimination and Restoration)线性功放技术的基本原理[1]，采用数字音频功放技术[2]实现高效率电源调制器，采用Class-D开关放大技术[3]实现高效率载频放大器，开发了一个集AM调制和放大于一体的高效率线性功率放大器。