stability simulation setup for Bandgap..

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bharatsmile2007

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Hi..

can any one tell me the simualtion setup for finding out the stability of the BGR?

Pls find the schematic i used....

Thanks
 

I use "iprobe" to analysis the stability of the BGR.
Any other methods?
 

I will do the tranisent simulation to test if it
is stable when power on.
Please take attention to the startup with different
rate of power on.
 

Replace the short between node VBE and the gate of TP8 with a dc voltage source (V1) with dc=0. Do a STB analysis pointing to V1. This should tell you the dc gain, PM and GM of the loop.
To confirm it in the time domain, apply a small step disturbance on the supply (when the nodes are stable) and see how various nodes jump and settle.
 

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