KCL @ INVERTING TERMINAL
THE IDEAL OP-AMP ASSUMPTION PROVIDES EXCELLENT APPROXIMATION.
(UNLESS FORCED OTHERWISE WE WILL ALWAYS USE IT!)
GAIN FOR NON-IDEAL CASE
SUMMARY COMPARISON: IDEAL OP-AMP AND NON-IDEAL CASE
IDEAL OP-AMP ASSUMPTIONS
NON-IDEAL CASE
REPLACE OP-AMP BY LINEAR MODEL
SOLVE THE RESULTING CIRCUIT WITH
DEPENDENT SOURCES