Both theoretical analysis and experimental results show that the AC DC converter has high efficiency over a wide range of input voltage.
理论分析和实验结果表明，该转换器可以在较宽的输入电压范围内获得较高的转换效率。
It can achieve a fixed output of DC voltage in the universal input range of ac 80 ~ 265 V. It owns the advantages of high efficiency, low total harmonic distortion, PF near to 1.
该方案能在80 ~ 265V宽输入电压范围内得到稳定直流电压输出，具有效率高、总谐波畸变率低、功率因数接近为1等特点。
The novel design solved the problem of limited voltage swing range caused by bias voltage at input of the OPA and achieved higher bandwidth compared to ac coupled design method.
使用文中介绍的方法设计单电源运算放大器能巧妙地解决由偏置电压引起的信号摆幅受限的问题，有较高的动态范围，而且具有比交流耦合更高的带宽。
This specification describes a full range AC input voltage switching power .
本开关电源具有宽范围的交流输入电压。
Because of the stability of LED current, these designs provide an expanded input-ac-voltage range, which may be useful for a multistandard ac-powered gadget;
由于LED电流的稳定性，这些设计使输入交流电压的范围扩大，其有利于多标准交流供电设计；
Because of the stability of LED current, these designs provide an expanded input-ac-voltage range, which may be useful for a multistandard ac-powered gadget;
由于LED电流的稳定性，这些设计使输入交流电压的范围扩大，其有利于多标准交流供电设计；
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