First-order filters
Low-pass filter circuits: non-inverting op amp Note: It might slightly disingenuous to treat this as if it were some new type of filter — we can readily see that it is a simple RC filter cascaded with a simple non-inverting amp. However, it is still a useful circuit. 9 + (V)= =& =&+ =5 = 5& V+ 5& 9R(V)= + 5 5 9 + (V) non-inverting amp ...
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