梦幻输出，垂直场效应管FET功放，这个是第一个全FET功率放大器。
The dream output element, the vertical power FET, was used for the first time in this all-FET power amplifier.
同时，利用相位渗透理论，数值计算了垂直腔半导体光放大器（VCSOA）中的有效腔长。
The efficient cavity length of vertical cavity semiconductor optical amplifier (VCSOA) is calculated with the theory of phase penetrating.
为了实现垂直位移方向上的稳定，给主动控制线圈供电的功率放大器，其响应速度必须具有快速性。
For realizing the stability in vertical displacement, the power amplifier must be fast in response for feeding active control coils.
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