Choosing a Current-Limiting Resistor

Discussion of the need to use resistors to limit the current in certain circuits.

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Basic Circuit Concepts

Broad-brush introduction to current, voltage, and resistance as well as how these are related through Ohm's Law. Also the concepts of linear and non-linear behavior are introduced. IV relationship are discussed where a diode is used an an example of a non-linear device.

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Transimpedance Amplifier

A transimpedance amplifier is a circuit that will produce a scaled output voltage that is proportional to a supplied input current (this type of circuit is often considered a current controlled voltage source).

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