I got a feed forward controller differential op-amp here. so its v+=v-.
how ever once i increase R9 to more then 6k, v- starts changing rapidly in respect to v+, as can be seen by the images, any one know why that is happening?
how ever once i increase R9 to more then 6k, v- starts changing rapidly in respect to v+, as can be seen by the images, any one know why that is happening?