Categories

Programmable Logic Controllers (PLC)

Textbook

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

Binary Overflow

Textbook

One caveat with signed binary numbers is that of overflow, where the…

Microprocessor Programming

Worksheets - Embedded

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

Semiconductor Manufacturing Techniques

Textbook

The manufacture of only silicon based semiconductors is described…

Pulse Width Modulation

Textbook

Pulse Width Modulation (PWM) uses digital signals to control power…

Si Lab - Intro to Discrete Semiconductor Circuits

Textbook

In these hands-on semiconductor electronics experiments, learn to build and test circuits using discrete silicon (Si) devices, including diodes and transistors. Also, learn important circuit designs, including rectifiers, current mirrors, amplifiers, and oscillators.

DC Lab - An Analog Computer For Averaging

Textbook

In this hands-on electronics experiment, you will build a simple circuit that computes the average of voltages and learn about analog computers and their application.

Semiconductor Devices in SPICE

Textbook

The SPICE (Simulation Program, Integrated Circuit Emphesis)…

Negative Binary Numbers

Textbook

With addition being easily accomplished, we can perform the operation…

Memory Devices

Worksheets - Embedded

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

Microcontroller Principles

Worksheets - Embedded

Read the following quotation, and then research the term…

Binary Subtraction

Textbook

We can subtract one binary number from another by using the standard…

Binary Addition

Textbook

The Rules of Binary Addition Adding binary numbers is a very simple…

Practical considerations - Digital Communication

Textbook

A principal consideration for industrial control networks, where the…

AC Motor Control Circuits

Worksheets - Embedded

Perhaps the most challenging aspect of interpreting ladder diagrams,…

Embedded Microstrip Impedance Calculator

Tools

This calculator helps you compute the characteristic impedance of an embedded microstrip.

Introduction to Shift Registers

Textbook

Shift registers, like counters, are a form of sequential logic.…

Programmable Logic Technology

Worksheets - Embedded

Define the following acronyms as they apply to digital logic circuits:…

Performance-Based Assessments for Semiconductor Circuit Competencies

Worksheets - Embedded

Resistor Color Code Calculator and Chart—4 Band, 5 Band, or 6 Band Resistors

Tools

A handy all-in-one tool for reading resistor color code values for a 4 band resistor, 5 band resistor, or 6 band resistor.

Si Lab - Commutating Diode

Textbook

In this hands-on semiconductor electronics experiment, build a simple circuit that will teach you how to use a commutating diode to reduce inductive kickback.

Introduction to Network Theorems for Circuit Analysis

Textbook

Anyone who’s studied geometry should be familiar with the…

The Antiderivative (Indefinite Integral)

Textbook

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

DIP Gate Packaging

Textbook

Digital logic gate circuits are manufactured as integrated circuits:…

Printed Circuit Board Layout and Manufacture

Worksheets - Embedded

When a PCB designer speaks of dimensions in thous or mils, what does…

Introduction to Mixed-Frequency AC Signals

Textbook

In our study of AC circuits thus far, we’ve explored circuits…

Resonance

Worksheets - Embedded

The Q factor of a series inductive circuit is given by the following…

Logarithms

Textbook

Definition of a Logarithm     “log” denotes a…

Mutual Inductors

Textbook

Mutual inductors are inductors that capitalize the effect of mutual…

Switch Types

Textbook

Though it may seem strange to cover the elementary topic of electrical…

Decoder

Textbook

A decoder is a circuit that changes a code into a set of signals. It…

Capacitor Quirks

Textbook

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

Capacitance Calculator

Tools

This calculates the capacitance of a capacitor based on its charge, Q, and its voltage, V, according to the formula, C=Q/V.

Si Lab - Simple Op Amp

Textbook

In this hands-on semiconductor electronics experiment, build a custom operational amplifier (op amp) and learn about the application of current mirrors and the use of negative feedback in op amp circuits.

What is Norton’s Theorem and the Norton Equivalent Circuit?

Textbook

This article explains the step-by-step process for determining the…

Series-parallel R, L, and C

Textbook

Now that we’ve seen how series and parallel AC circuit analysis…

Vol V. Credits

Textbook

All entries arranged in alphabetical order of surname. Major…

Radicals

Textbook

Definition of a Radical Given the expression where “x” is…

Why digital?

Textbook

Although many textbooks provide good introductions to digital memory…

Voltmeter Design

Worksheets - Embedded

Suppose I were about to measure an unknown voltage with a manual-range…

Electric Shock Data

Textbook

The table of electric currents and their various bodily effects was…

Electric Shock

Worksheets - Embedded

It is sometimes said regarding electrical safety that, Ït’s not the…

Permanent Magnets

Textbook

Centuries ago, it was discovered that certain types of mineral rock…

Complex Voltage and Current Calculations

Textbook

There are circumstances when you may need to analyze a DC reactive…

Microstrip Patch Antenna Calculator

Tools

This tool calculates the dimensions of the microstrip patch antenna given the desired operating frequency.

Flyback Switch Mode Regulator Calculator

Tools

A calculator for computing several parameters needed in the design of a flyback switch mode regulator

Insulated Gate Bipolar Transistors

Worksheets - Embedded

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

Si Lab - Astable Multivibrator Audio Oscillator

Textbook

In this hands-on semiconductor electronics experiment, build an astable multivibrator (oscillator) circuit that provides an output in the audio frequency range and learn the effect of component values and supply voltage on oscillation frequency.

Selsyn (Synchro) Motors

Textbook

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

Junction field-effect transistors (JFET)

Worksheets - Embedded

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

AC Instrumentation Transducers

Textbook

Just as devices have been made to measure certain physical quantities…

Current Signal Systems

Textbook

Current Source It is possible through the use of electronic amplifiers…

Permissive and Interlock Circuits

Textbook

A practical application of switch and relay logic is in control…

Transistors, Hybrid

Textbook

In essence, the IGFET controls the base current of a BJT, which…

Atomic Structure

Worksheets - Embedded

Shown here is a simplified representation of an atom: the smallest…

Practical Considerations - Batteries

Textbook

When connecting batteries together to form larger “banks”…

The Silicon-Controlled Switch (SCS)

Textbook

If we take the equivalent circuit of an SCR and add another external…

Inductor Voltage and Current Relationship

Textbook

Inductors do not have a stable “resistance” as conductors…

DIY EE Lab - Introduction to Electronics Projects

Textbook

To learn about electronics, you must eventually engage in hands-on experimentation. Knowledge gleaned from books alone has limited use in scientific endeavors. Troubleshooting a circuit can be as important as the knowledge gained from a properly functioning experiment.

Introduction to Combinational Logic Functions

Textbook

The term “combinational” comes to us from mathematics. In…