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Level 4 Telecom Filter Circuit of uA741 Op-amp

2017-02-11 06:13  
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Level 4 Telecom Filter Circuit of uA741 Op-amp
The above circuit can use common calculation formula and then the total requirements are divided into several sections:Q1=0.541,Q2=1.306.This circuit adopts LM148 or 741 four operational amplifier.