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OP27G is distorted when the frequency exceeds 4K


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The gain bandwidth product is 8MHZ, my magnification here: 0.41. 0.41*4K=1.6K, arguably, it is completely satisfied. VR1 is used for zero adjustment, so we can leave it alone.

It looks like the op amp is very hot at 40 degrees when I use it, and I dont know why

can you tell me? Thanks in advance.

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