In this subject vacuum tube is used as the switching component in the Class E power amplifier to get higher output power with higher frequency .

本课题的E类功率 放大器用 电子 管作为开关元件，目的是提高 放大器的效率和频率，同时获得较大的功率输出。

A New Calculation Method for the Vacuum Tube High Frequency Power Amplifier

电子 管高频功率 放大器的新算法

Based on the analysis of vacuum tube slight variation equivalent circuit a headphone amplifier is designed to drive high fidelity headphone .

以 电子 管微变等效电路分析为基础，设计了一款以驱动高保真耳机为目的的耳机 放大器。