just can't wrap my head around this one for some reason. I am sorry if it's easy for you to see. Just confused on the duality of things in circuits, Is it a filter? Or is it a peak detector? How do you know which topology to apply?
I am only talking about the positive cycle of the circuit. Essentially the current runs from R1 -> R2 -> C1 and R3 -> GND This cycle charges the capacitor, however we could simplify the circuit knowing which path current is taking.
As D1 is R.B And D2 is F.B and The Op-Amp isn't doing anything.
Which becomes this. My question is, isn't this a low pass filter? If it is why is that the output signal isn't attenuated then? Why is the input voltage at the output?