Categories

Linear Computational Circuitry

Worksheets - Electromechanical

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

Boolean Algebra

Worksheets - Electromechanical

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

Programmable Logic Controllers (PLC)

Textbook

Before the advent of solid-state logic circuits, logical control…

Torque Conversion Calculator

Tools

A tool designed to convert between units of torque

Encoders and Decoders

Worksheets - Electromechanical

What does it mean, in general terms, to encode something? Conversely,…

Impedance Matching With Transformers

Worksheets - Electromechanical

Suppose you were to take a 3 kW electric heater rated for 240 VAC and…

Hysteresis

Textbook

Thyristors are a class of semiconductor components exhibiting…

Full-wave Center-tap Rectifier

Textbook

PARTS AND MATERIALS Low-voltage AC power supply (6-volt output) Two…

AC Bridge Circuits

Textbook

As we saw with DC measurement circuits, the circuit configuration…

Single-phase Induction Motors

Textbook

A three-phase motor may be run from a single-phase power source.…

CMOS 555 Long Duration Flyback LED Flasher

Textbook

PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…

Insulated Gate Bipolar Transistors

Worksheets - Electromechanical

What is an Insulated Gate Bipolar Transistor (IGBT), and what…

Tesla Polyphase Induction Motors

Textbook

Most AC motors are induction motors. Induction motors are favored due…

Motor Control Circuits

Textbook

The interlock contacts installed in the previous section’s motor…

Contactors

Textbook

All About Contactors When a relay is used to switch a large amount of…

Sensing AC Magnetic Fields

Textbook

PARTS AND MATERIALS Audio detector with headphones Electromagnet coil…

Inductive Reactance

Worksheets - Electromechanical

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

Series and Parallel AC Circuits

Worksheets - Electromechanical

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

AC Motor Theory

Worksheets - Electromechanical

Electromechanical watt-hour meters use an aluminum disk that is spun…

Switches, Electrically Actuated (Relays)

Textbook

The structure behind ladder logic is based on the electrical ladder…

Shift Registers: Serial-in, Parallel-out (SIPO) Conversion

Textbook

A serial-in, parallel-out shift register is similar to the serial-in,…

Setting Up a Home Lab

Textbook

In order to build the circuits described in this volume, you will need…

Peak to Peak Voltage Calculator (VP-P)

Tools

This calculator shows the peak-to-peak voltage (VP-P) value from the peak voltage, RMS voltage, or average voltage.

AC Metrology

Worksheets - Electromechanical

In power distribution systems, it is very important to be able to…

AC Negative Feedback OpAmp Circuits

Worksheets - Electromechanical

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

Flash ADC

Textbook

Also called the parallel A/D converter, this circuit is the simplest…

Coax Impedance Calculator

Tools

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

Current Divider Circuits

Worksheets - Electromechanical

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

The Unijunction Transistor (UJT)

Textbook

Unijunction transistor: Although a unijunction transistor is not a…

Solving Simultaneous Equations: The Substitution Method and the Addition Method

Textbook

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

Scientific Notation and Metric Prefixes

Worksheets - Electromechanical

Write the following exponential expressions in expanded form: 101 =…

Finite-length Transmission Lines

Textbook

A transmission line of infinite length is an interesting abstraction,…

Potentiometer as a Voltage Divider

Textbook

PARTS AND MATERIALS Two 6-volt batteries Carbon pencil…

Resistor Color Codes

Textbook

Try out our Resistor Color Code Calculator in our Tools section.…

Bipolar Junction Transistors

Textbook

The bipolar junction transistor (BJT) was named because its operation…

Complex Number Arithmetic

Textbook

Since complex numbers are legitimate mathematical entities, just like…

Making a Venn Diagram Look Like a Karnaugh Map

Textbook

Starting with circle A in a rectangular A’ universe in figure…

SPICE Quirks

Textbook

“Garbage in, garbage out.” —Anonymous SPICE is a…

Vol III. Credits

Textbook

All entries arranged in alphabetical order of surname. Major…

Basic Oscilloscope Operation

Worksheets - Electromechanical

An oscilloscope is a very useful piece of electronic test equipment.…

Electrical Connections

Worksheets - Electromechanical

What, exactly, is necessary to establish electrical continuity between…

Programmable Logic Controllers (PLC)

Textbook

Before the advent of solid-state logic circuits, logical control…

pH Measurement

Textbook

A very important measurement in many liquid chemical processes…

Optoelectronic Devices

Worksheets - Electromechanical

In this circuit, the electric motor is supposed to turn on whenever…

Basic Algebra and Graphing for Electric Circuits

Worksheets - Electromechanical

Many different equations used in the analysis of electric circuits may…

Performance-Based Assessments for Analog Integrated Circuit Competencies

Worksheets - Electromechanical

Power Added Efficiency Calculator

Tools

A calculator designed to compute the power-added efficiency (PAE) of an amplifier

Wire Stripline Impedance Calculator

Tools

A calculator for computing the impedance of a wire stripline.

Coax Impedance Calculator

Tools

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

AC Phase

Textbook

Things start to get complicated when we need to relate two or more AC…

Basic AC-DC Power Supplies

Worksheets - Electromechanical

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

Capacitor Quirks

Textbook

As with inductors, the ideal capacitor is a purely reactive device,…

Resonant Filters

Textbook

So far, the filter designs we’ve concentrated on have employed…

Transistor Biasing Calculations

Textbook

Although transistor switching circuits operate without bias, it is…

Algebraic Substitution for Electric Circuits

Worksheets - Electromechanical

There are two basic Ohm’s Law equations: one relating voltage,…

Superposition Theorem

Worksheets - Electromechanical

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

Electric Fields and Capacitance

Textbook

Introduction Whenever an electric voltage exists between two separated…

AC Circuit Equations

Textbook

Inductive Reactance     Capacitive Reactance    …

Resonance in Series-Parallel Circuits

Textbook

In simple reactive circuits with little or no resistance, the effects…

Introduction to Bipolar Junction Transistors (BJT)

Textbook

The invention of the bipolar transistor in 1948 ushered in a…