I was watching a video by devttys0 where he describes a Photodiode/Transimpedance Amplifier.
I was intrigued by a couple of elements in the design and I decided to do a simulation to try to understand what was going on. In particular I had never seen a diode connected JFET used as a limiter, and I'm still uncertain about how the reference circuit maintains such a low positive level.

Enjoy
I was intrigued by a couple of elements in the design and I decided to do a simulation to try to understand what was going on. In particular I had never seen a diode connected JFET used as a limiter, and I'm still uncertain about how the reference circuit maintains such a low positive level.


Enjoy
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