Instrumentation Dr. Xiaofeng Wu 1 1

Source Transformation

Thevenin’s/Norton’s Theorem Thevenin’s equivalent circuit Norton’s equivalent circuit

Example Find the Thevenin equivalent circuit

Basic Electrical Components Resistor Capacitor Inductor

Capacitor and Capacitance Farads (F) Capacitance is a measure of the ability of a device to store energy in the form of a separated charge or an electric field.

Energy Storage in a Capacitor    

Series and Parallel Capacitors

Inductor and Inductance L is the inductance, in henry (H)  

AC Circuits

Impedance reactance Phase angle:

First-order Circuits

Time Response of the RC Circuit to a Constant Input time constant

Time Response of the RL Circuit to a Constant Input