The single AC power input voltagefrequency, the internal AC to DC after; DC converter rectifier exchange conversion, self-produced - very stable, pure sine wave.
A charge balanced voltagetofrequencyconverter is jpresented in this paper, and the circuit design and the process technology are also described.
介绍了电荷平衡式电压频率转换器的电路设计与工艺制作，并给出了研究结果。
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The insulation class F or class H . The insulation of open-loop U/f condition of . structure has the adaptability to high carrie frequencyvoltage supplied by frequency converter .