| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an AC current generating circuit which generates AC current with small distortion, using a simple circuit configuration of high flexibility. <P>SOLUTION: The AC current generating circuit is provided with first to third capacitors 12a-12c, the one ends of which are connected to the ground; first to third switch elements 13a-13c, the one ends of which are connected to the other ends of the first to third capacitors 12a-12c, respectively; a fourth switch element 13d, the one end of which is connected to a DC current source 10 and the other end of which is connected to the other ends of the first to third switching elements 13a-13c; the 0-th switch element 13z, the one end of which is connected to the other ends of the first to fourth switch elements 13a-13d and the other end is connected to the ground 11d; and an inductor 14, the one end of which is connected to the other ends of the first to fourth switching elements 13a-13d and the one end of the 0-th switch element 13z and the other end of which is connected to one end of the second switch element 13b; the switch elements are controlled to be on, in the forward order and next, are controlled to be on in a reverse order with to the forward order. <P>COPYRIGHT: (C)2009,JPO&INPIT |
