2 stage differential amp with negative feedback

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ntetlow

Joined Jul 12, 2019
52

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Dave Lowther

Joined Sep 8, 2016
140
There is also a screenshot of a simulation of a circuit created from the above mentioned site. The simulation is not working, there is no bias on any of the transistors. Can someone tell me what's wrong here, the simulation is a faithful copy as far as I can see?
Missing a connection between the junction between the two batteries and ground?
 
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