我在给GaN管子施加开关频率为1MHZ的SPWM波的时候,电压比较低的时候,波形还比较正常,当电压慢慢增大的时候,正弦波形会发生严重的畸变。开关频率为500KHZ的时候,电压可以升上去,请问1mhz怎么做才能让电压升上去
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HI
你是指母线电压升上去就异常吗? 设计的是交流电输出?
有没有确认layout的影响?