您好,我现在已经把我的小信号做出来了,它是一个正弦信号被削去顶的平顶波,频率50HZ,幅值在5-12V可调。现在要做功率放大器。提高它的带载能力,功率设计在100W左右,电流2A左右即可.成本不用考虑,做出来的信号我还要经过变压器放大到100KV,用来做火花间隙试验的。
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有两个可以考虑的办法,
1. 用功率放大器直接进行功率放大,例如OPA548等, 详细资料如下
2.采用音频放大器,例如LM4780、TAS5630A等方式