Categories

Circuit With a Switch

Textbook

PARTS AND MATERIALS 6-volt battery Low-voltage incandescent lamp…

Networks and Busses

Textbook

This collection of wires that I keep referring to between the tank…

Potentiometer as a Rheostat

Textbook

Learning Objectives Rheostat use Wiring a potentiometer as a rheostat…

Non-right Triangle Trigonometry

Textbook

The Law of Sines (for any triangle) The Law of Cosines (for any…

Electromechanical Relay Logic

Worksheets - Connectors

In ladder logic symbolism, an electromechanical relay coil is shown as…

Building Simple Resistor Circuits

Textbook

In the course of learning about electricity, you will want to…

Copper Wire Ampacity Table

Textbook

Ampacities of copper wire, in free air at 30o C:…

The Antiderivative (Indefinite Integral)

Textbook

Notice something important here: taking the derivative of f(x) may…

Electromagnetic Induction

Textbook

While Oersted’s surprising discovery of electromagnetism paved…

AC Motor Control Circuits

Worksheets - Connectors

Perhaps the most challenging aspect of interpreting ladder diagrams,…

Right Triangle Trigonometry

Textbook

A right triangle is defined as having one angle precisely equal to…

Wiring Color Codes Infographic

Textbook

Wiring Color Codes Infographic. Released under the Creative Commons…

Wire Types and Sizes

Worksheets - Connectors

Most electrical wire is covered in a rubber or plastic coating called…

Copper Wire Gauge Table

Textbook

Solid Cooper Wire Table Size Diameter (inches) Cross-sectional area…

Specific Resistance

Textbook

Designing Wire Resistance Conductor ampacity rating is a crude…

Rules for Derivatives

Textbook

Constant rule Rule of sums Rule of differences Product rule Quotient…

Characteristic Impedance

Textbook

The Parallel Wires of Infinite Length Suppose, though, that we had a…

Automotive Alternator

Textbook

Project Parts and Materials Automotive alternator (one required, but…

Resistance

Textbook

The circuit in the previous section is not a very practical one. In…

Solving Simultaneous Equations: The Substitution Method and the Addition Method

Textbook

What are Simultaneous Equations and Systems of Equations? The terms…

Timer Circuits

Worksheets - Connectors

Don’t just sit there! Build something!! Learning to analyze digital…

Basic Ammeter Use

Worksheets - Connectors

Show how this ammeter would be connected to the light bulb circuit to…

Applications of Resonance

Textbook

So far, the phenomenon of resonance appears to be a useless curiosity,…

Design Project: Dual-output AC-DC Power Supply

Worksheets - Connectors

Safety is very important when designing and/or building a device…

Binary Count Sequence

Textbook

If we examine a four-bit binary count sequence from 0000 to 1111, a…

Full-Adder

Textbook

The half-adder is extremely useful until you want to add more that…

An Electric Pendulum

Textbook

Capacitors store energy in the form of an electric field, and…

Selsyn (Synchro) Motors

Textbook

Normally, the rotor windings of a wound rotor induction motor are…

Step-up and Step-down Transformers

Textbook

So far, we’ve observed simulations of transformers where the…

Voltage, Current, and Resistance

Worksheets - Connectors

Voltage is commonly defined as “electrical pressure.” The unit of…

Other Diode Technologies

Textbook

Varicap or varactor diodes A variable capacitance diode is known as a…

Introduction to Digital Integrated Circuits

Textbook

Digital circuits are circuits dealing with signals restricted to the…

Series DC Circuits Practice Worksheet with Answers

Worksheets - Connectors

In this circuit, three resistors receive the same amount of current (4…

N-Way Power Divider Calculator

Tools

This calculator determines the total path loss provided by an RF n-way power splitter.

Edge Coupled Trace Inductance Calculator

Tools

This calculator helps you compute for the inductance of an edge coupled trace.

Contact “Normal” State and Make/Break Sequence

Textbook

Any kind of switch contact can be designed so that the contacts…

Coax Impedance Calculator

Tools

A helpful tool for calculating the impedance of a coaxial cable.

Active-mode Operation (JFET)

Textbook

JFETs, like bipolar transistors, are able to “throttle”…

Microprocessor Programming

Worksheets - Connectors

What is the difference between a JMP (“jump”) instruction and a…

Induction Motor, Large

Textbook

PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF 120VAC…

Circuit Simplification Examples

Textbook

Let’s begin with a semiconductor gate circuit in need of…

Millman’s Theorem

Worksheets - Connectors

Don’t just sit there! Build something!! Learning to mathematically…

Encoder

Textbook

What is an Encoder? An encoder is a circuit that changes a set of…

Rules for Antiderivatives

Textbook

Constant Rule Rule of Sums Rule of Differences

Standing Waves and Resonance

Textbook

Whenever there is a mismatch of impedance between transmission line…

Voltage Follower

Textbook

PARTS AND MATERIALS One NPN transistor—models 2N2222 or 2N3403…

Potentiometer as a Voltage Divider

Textbook

PARTS AND MATERIALS Two 6-volt batteries Carbon pencil “lead” for…

Successive Approximation ADC

Textbook

One method of addressing the digital ramp ADC’s shortcomings is the…

Introduction to Conductance and Conductors

Textbook

By now you should be well aware of the correlation between electrical…

Voltage Divider

Textbook

PARTS AND MATERIALS Calculator (or pencil and paper for doing…

AC phase

Worksheets - Connectors

If we were to express the series-connected DC voltages as phasors…

Potentiometer as a Rheostat

Textbook

Learning Objectives Rheostat use Wiring a potentiometer as a rheostat…

Finite State Machines

Textbook

Up to now, every circuit that was presented was a combinatorial…

Microstrip Inductance Calculator

Tools

This calculator computes the inductance of a microstrip etched on a PCB.

Trigonometric Derivatives

Textbook

Circuit Components

Textbook

Remember that this tutorial is not exhaustive by any means, and that…

The R/2R DAC (Digital-to-Analog Converter)

Textbook

The R/2R DAC circuit is an alternative to the binary-weighted-input…

Current Divider

Textbook

PARTS AND MATERIALS Calculator (or pencil and paper for doing…

Basic Ammeter Use

Worksheets - Connectors

Show how this ammeter would be connected to the light bulb circuit to…

Design Project: Power Inverter

Worksheets - Connectors

A common topology for DC-AC power converter circuits uses a pair of…