I am trying to understand this feedback topology. C1 is probably there to form some kind of filter however I am not sure how to go about analyzing this network. The 500 ohms resistor is just a dummy load. I think the DC feedback factor is (100+2.5)/2.5, we can just ignore R8 at DC because it would be inside the FB loop. However, I am not sure. Thank you. 
Sunday 12 November 2017
operational amplifier - Understanding opamp feedback loop with parallel paths
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