Discussion :: Basic Op-Amp Circuits - General Questions (Q.No.5)
|Lov said: (Dec 16, 2010)|
|It's a basically comparator which compare the zero of input signal and when he got zero then he trips from one state to another state.|
|Manish said: (Jul 27, 2011)|
|Since input impedance is very high, therefore, input current
is zero. OPAMP do not sink any current.
v(in) / R = - v(O) / R(f)
v(o) = - (Rf / R) v(in)
If R = Rf then v(O) = -v(in), the circuit behaves like an inverter.
|Suji said: (Feb 25, 2014)|
|If the input is the average means the output also the average amount.|
|Lakshmi said: (Sep 21, 2015)|
|Output is independent of Rf.|
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