用THS3001和THS3091两种芯片做了一个功放电路,前级用THS3001放大2倍,后级用2片THS3091并联,放大倍数为5倍,一接上电源后后面2片3091非常烫,有一片还冒烟了,貌似烧了,我没有加散热处理,前面放大是正常的,我经常遇到这样的问题,做多级放大模块时,芯片都会发烫(以前调VCA810时也这样),查资料说是产生自激了,是这样吗?那应该怎样处理呢?在下新手,希望专家和大神们帮忙解答一下,万分感谢!!
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