Part III
Understanding Circuits with Transistors and Operational Amplifiers
Go to www.dummies.com/extras/circuitanalysis to solve a real-world problem on using a photoresistor and an op-amp circuit to convert light into a voltage with a desired output range.
In this part . . .
Amplify current with transistors.
Amplify voltage with operational amplifiers (also known as op amps).
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