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高增益多级放大器自激振荡问题

Other Parts Discussed in Thread: LMH6629

大家好,我最近再验证TI的高增益多级放大器时发现电路存在自激振荡的问题,不管时采用超前补偿还是滞后补偿都无法改善这个问题。原理涂和PCB如上图所示。请大家帮忙看看是PCB布板的问题还是说哪里有问题?有没有什么解决方法