Answer by user107063 for OpAmp circuit modification feedback loop
This is a comparatively complex differential amplifier with frequency limitation. The input impedance is not independent from the gain, and for its functionality it is important that the symmetry of...
View ArticleAnswer by GodJihyo for OpAmp circuit modification feedback loop
Note that audio signal strength and gain are two different things.The output of the amplifier is going to be limited by the supply voltage, in this case 5 V. That means that your output signal will be...
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Answer by Antonio51 for OpAmp circuit modification feedback loop
In the circuit below notice that it has a 680pF Cap (C72) in the feedback loop.What is the purpose of this Cap?These capacitors lower the bandpass of the opamp circuit.With 680 pF, it should be: BP...
View ArticleAnswer by AnalogKid for OpAmp circuit modification feedback loop
That is not a simple gain stage; it is a very high performance, fully differential amplifier. As such, its gain equation is more complex than you might be familiar with. This configuration is used to...
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OpAmp circuit modification feedback loop
I am somewhat a noob with electronics. I do understand some stuff to an extent and can follow logic but this goes beyond my full understanding.I have an audio system that I would like to modify in...
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