When it was first introduced in 1968, Fairchild’s 741 op-amp made quite a splash. And with good reason; it packed a bunch of components into a compact package, and the applications for it wer… ...

The 741 was the first two stage, internally compensated, high-gain, low-cost, op amp. “I thought up the idea of internal compensation to avoid the instability seen in the 709,” said Fullagar. “The ...

The moral of the story is to check for this condition. You can introduce a disturbance as shown above or you can temporarily replace the virtual op-amp with a real world part's model and see if ...