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Simulating an ideal 741 OPAMP on Simulink

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adityashanker

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Hey guys,
I've been having a problem with this circuit for a few days. I needed an externally powered op-amp instead of the one without the Vcc and -Vcc terminals in Simulink (Im using Ver- R2011a). So, i looked up the internal diagram and i created my own circuit. But, the problem is, it isn't working as i want it too. Any help or ideas on this problem are appreciated :).

The model and the internal circuit are posted below. I'm using the opamp as a non-inverting amplifier. Btw, how do you post simulink models on this thing?

The problem is, changing the feedback resistances are not affecting the output.
 
Your schematic is a nightmare of crossed wires. Half the transistors are drawn upside-down.
Q5 is shorted.
 
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