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请问如何产生正负100v电压,有没有相应的方案



最近在做一个产品,要求产生正负100v的电压,电源供电输入是锂电池,也就是4v-8v左右,有没有体积小,效率高的正负100v产生方案呢,

输出的电流要求不大,输出的电压用于高压开关控制产生正负脉冲,激励超声探头。