Other Parts Discussed in Thread: OPA847
我用OPA847在110兆以上就出现了自激振荡,理论放大在13倍左右,其次我试过在输入输出间街上10PF电容,在反馈电阻上并15Pf电容或2Pf电容有没有解决问题,请问还有什么方案可以解决这个问题,我的频率预期的效果应该是在>=250MHz,同时我的电路是按照芯片手册上的点路制作,其中反馈电阻为10K,2管脚接地的那个电阻用的是820Ω
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