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The particular application circuit of op amp

2015-01-02 21:11  
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The particular application circuit of op amp
The particular application circuit of op amp
Figure A is polarity display with two light emitting diodes, and it can be used to idendify the input signal polarity or the size of comparison signal. It uses potentiometer RP to adjust the display sensitivity oftwo light-emitting diodes.The circuit shown in figure b is used for adding several input signals UE1.UE2 and UE3.The circuit shown in Figure is a precision integrator circuit, and its RC network must match the input signal.Figure d shows a comparator circuit.The Figure e is the comparator circuit with higher frequency and the symmetrical input.Figure f is the precision comparator circuit with the voltage follower at the input termination.