Photodiode / Transimpedance Circuit simulation with QUCS

[Bigman]

Hi everybody,

QUCS offers a photodiode as a component. But when I run a simulation, the output (see attached screenshot) is not what I expected.
The voltage at the summing junction is constantly -0.742 Volts. Since the non-inverting input is referenced to 0V, I expected the voltage at the summing junction should be forced down by the output-voltage also to 0V.
What am I missing here? Thanks in advance for every hint & tip!

[ignamv]

You need more current flowing into the - node, to make up for the photodiode's current. Either decrease the feedback resistor, or increase supply voltage (your output is saturating).

[w2aew]

The input common mode range of this op amp does not include the negative supply rail.

[Bigman]

The input common mode range of this op amp does not include the negative supply rail.

As a newbie in electronics, pls. allow me to ask if you could explain this a bit more. I can only assume what you mean, and now something like this is keeping my brain busy: the photodiode is creating at the summing junction a negative potential (relating to GND). But since Vee is also on GND, the OpAmp cannot handle a potential more negative than at Vee ... is this what you mean?

[ignamv]

You have to keep the inputs away from the rails.

Also consider putting a small cap across the feedback resistor to reduce ringing.

[tggzzz]

The input common mode range of this op amp does not include the negative supply rail.

As a newbie in electronics, pls. allow me to ask if you could explain this a bit more.

See the top half dozen links http://lmgtfy.com/?q=input+common+mode+range+of+this+op+amp
They have taken the trouble to give you a coherent answer.