A quick review of some ideas from trigonometry that will help us …
A quick review of some ideas from trigonometry that will help us with AC analysis. The definitions of sine, cosine, and tangent, circles, degrees, radians. Created by Willy McAllister.
Using the "virtual ground" idea, we reexamine the inverting op-amp and find …
Using the "virtual ground" idea, we reexamine the inverting op-amp and find a solution much quicker. We apply the virtual ground method to a unity-gain buffer (amplifier with gain = 1). Created by Willy McAllister.
The "operational amplifier" has two differential inputs and very high gain. Willy …
The "operational amplifier" has two differential inputs and very high gain. Willy describes the symbol and properties of an op-amp. Op-amps are the backbone of analog circuit design. Created by Willy McAllister.
A current flowing into a capacitor causes charge to accumulate. The voltage …
A current flowing into a capacitor causes charge to accumulate. The voltage rises according to q = Cv and we say the capacitor integrates current. Created by Willy McAllister.
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