This was the circuit in question. I will not spoil it for those who want to sharpen their mental pencil.

Most I swear are setup to be a gotcha, but this one is actually a legit function.

 

That's a common circuit configuration with has a well-known name.

 

Everyone does not have the same skillset or knowledge my friend.

 

Everyone does not have the same skillset or knowledge my friend.

Of course.
That's why I post on this forum.

 

This was the circuit in question. I will not spoil it for those who want to sharpen their mental pencil.

Most I swear are setup to be a gotcha, but this one is actually a legit function.

View attachment 300055

It's an half wave precision rectifier.

 

It's an half wave precision rectifier.

Aw, you spoiled it for him.

 

It's an half wave precision rectifier.

What half?

 

What half?

"the Better Half"!

 

What half?

It rectifies the negative half of the input signal, but the op amp inverts that to generate a positive half.
Example simulation below: