Neil E. Cotter

Associate Professor (Lecturer)

Electrical and Computer Engineering Dept

University of Utah

Last Updated: 8/25/18

Circuits

Basic DC quantities

Current

Voltage

Power

Components

Schematic symbols | (pdf)

Components RLC | (pdf)

Configuration

Identifying nodes | (pdf)

Identifying branches | (pdf)

Identifying circuit blocks | (pdf)

Basic DC circuits

Passive sign convention

Example 1 | (pdf)

Example 2 | (pdf)

Sources: v, i, independent, dependent

Example 1 (pdf)

Kirchhoff's laws

Current sums at nodes | (pdf)

Voltage loops | (pdf)

Writing v and i eqns

Example 1 | (pdf)

Example 2 | (pdf)

Solving circuits

Example 1 (pdf)

Example 2 (pdf)

Example 3 (pdf)

Example 4 (pdf)

Example 5 (pdf)

Example 6 (pdf)

Ohm's law

Statement

Series resistors

Parallel resistors

Resistor networks

Example 1 (pdf)

Physics | (pdf)

Power

Example 1 (pdf)

Example 2 [dep src] (pdf)

Example 3 (pdf)

Example 4 [dep src] (pdf)

Example 5 [dep src] (pdf)

v and i dividers

Example 1 (pdf)

Example 2 (pdf)

Voltage divider

Example 1 (pdf)

Example 2 (pdf)

Current divider

Example 1 (pdf)

Example 2 (pdf)

Consistency checks

Example 1 (pdf)

Example 2 (pdf)

Example 3 (pdf)

Dependent sources

Example 1 (pdf)

Resistor equivalent

Resistor equivalent theory

Concept (pdf)

Example 1 (pdf)

Example 2 (pdf)

Node-voltage method

Theory

Current summations

Super-nodes

Example 1 (pdf)

Example 2 (pdf)

Example 3 (pdf) Matlab (txt)

Example 4 (pdf)

Example 5 (pdf)

Example 6 (pdf)

Dependent sources

Example 1 (pdf)

Example 2 (pdf)

Example 3 (pdf)

Example 4 (pdf)

Mesh-current method

Theory

Voltage loops

Super-meshes

Example 1 (pdf)

Example 2 (pdf)

Example 3 (pdf)

Dependent sources

Example 1 (pdf)

Example 2 (pdf)

Example 3 (pdf)

Thévenin equivalent

Thévenin equivalent circuit

Example (pdf)

Norton equivalent circuit

Thévenin<->Norton xform

Example (pdf)

Deriving Thévenin equivalent

vThev = vout open circuit

RThev derivation

R seen from output

vThev/ishort circuit

1V/iinto circuit

Dependent sources

Example 1 (pdf)

Example 2 (pdf)

Max power xfer

Example (pdf)

Example 2 (pdf)

Example 3 (pdf)

Example 4 (pdf)

Example 5 (pdf)