- Read my explanation of input and output impedance, and Lectures 10-12 from my Phys 222 Lecture Notes.
- Optional: Read Chapters 1 and 2 of Basic
Electronics: An Introduction to
Electronics for Science Students by C. Meyer, and maybe even Chapters 3 and 4.
- Read Experiments 9 and 10 in Meyer's lab
manual. Also complete the Reference
Reading indicated at the beginning of each of these experiments. Complete the Procedures.
- Build an op amp current source: establish a fixed current through a resistor
connected between the power supply and the correctly chosen op amp input. Place the "load" (a variable
resistor) between the same input and the output. Predict and measure the current through the
load when the load resistance is in the "good" range. Predict and measure this range.