Sine signals used as standard signal, sine signal requirements must be more precision, stability and low distortion rate.
正弦信号用作标准信号时，要求正弦信号必须有较高的精度、稳定度及较低的失真率。
This circuit provides high purity sine-wave output down to low frequencies with minimum circuit complexity.
这个电路以最简洁的结构实现了高纯净度正弦波输出，而且在较低的频率上也是如此。
Simulation and experimental results show that the proposed converter has sine wave input current and output voltage, low harmonic content, adjustable power factor, and zero voltage commutation.
仿真和实验结果表明：所提出的变换器输入电流和输出电压为正弦，谐波小且输入功率因数可控，并可实现零电压换流。
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