Categories

Programmable Logic Controllers (PLC)

Textbook

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

Microcontroller Principles

Worksheets - Programmable Logic

Read the following quotation, and then research the term…

Programmable Logic Controllers

Worksheets - Programmable Logic

The Programmable Logic Controller, or PLC, was invented in the late…

Microprocessor Programming

Textbook

The “vocabulary” of instructions which any particular…

Insulated Gate Field-Effect Transistors

Worksheets - Programmable Logic

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

Programmable Logic Technology

Worksheets - Programmable Logic

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

Binary Math

Worksheets - Programmable Logic

Counting practice: count from zero to thirty-one in binary, octal, and…

Logic Signal Voltage Levels

Textbook

Input Voltages for Logic Gates Logic gate circuits are designed to…

Introduction to Digital Integrated Circuits

Textbook

Digital circuits are circuits dealing with signals restricted to the…

Time-delay Relays

Textbook

What are Time-Delay Relays? Some relays are constructed with a kind of…

Digital Signals and Gates

Textbook

While the binary numeration system is an interesting mathematical…

Timer Circuits

Worksheets - Programmable Logic

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

Microprocessors

Textbook

Early computer science pioneers such as Alan Turing and John Von…

Delta-Sigma ADC

Textbook

One of the more advanced ADC technologies is the so-called…

Basic Electromagnetic Relays

Worksheets - Programmable Logic

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

Why digital?

Textbook

Although many textbooks provide good introductions to digital memory…

Design Project: Power Inverter

Worksheets - Programmable Logic

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

DIP Gate Packaging

Textbook

Digital logic gate circuits are manufactured as integrated circuits:…

The D Latch

Textbook

Since the enable input on a gated S-R latch provides a way to latch…

555 Timer Astable Circuit

Tools

In an astable circuit, the output voltage alternates between VCC and 0 volts on a continuous basis.

NOR Gate S-R Latch

Textbook

PARTS AND MATERIALS 4001 quad NOR gate (Radio Shack catalog #…

Practical Considerations of ADC Circuits

Textbook

Perhaps the most important consideration of an ADC is its resolution.…

Negative Binary Numbers

Textbook

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

“Ladder” Diagrams

Textbook

Ladder diagrams are specialized schematics commonly used to document…

Monostable Multivibrators

Textbook

We’ve already seen one example of a monostable multivibrator in…

Slope (integrating) ADC

Textbook

So far, we’ve only been able to escape the sheer volume of…

Amplifier Gain

Textbook

The Voltage Gain Because amplifiers have the ability to increase the…

Trigonometry for AC Circuits

Worksheets - Programmable Logic

Identify which trigonometric functions (sine, cosine, or tangent) are…

High-impedance Voltmeter

Textbook

PARTS AND MATERIALS Operational amplifier, model TL082 recommended…

Wire Types and Sizes

Worksheets - Programmable Logic

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

Polar Form and Rectangular Form Notation for Complex Numbers

Textbook

In order to work with complex numbers without drawing vectors, we…

Torque Conversion Calculator

Tools

A tool designed to convert between units of torque

Waveguide Calculator (Circular)

Tools

This tool calculates the cutoff frequency of a circular waveguide

Multi-Stage Transistor Amplifiers

Worksheets - Programmable Logic

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

Resistors

Worksheets - Programmable Logic

Shown here is the schematic symbol for a resistor: What is the purpose…

Simultaneous Equations for Circuit Analysis

Worksheets - Programmable Logic

Solve this equation for the value of x: x + 5 = 8 How many exact…

Conductors and Insulators

Worksheets - Programmable Logic

Given two lengths of metal wire, which one will have the least…

Introduction to Discrete Semiconductor Circuits

Textbook

A semiconductor device is one made of silicon or any number of other…

AC Commutator Motors

Textbook

Charles Proteus Steinmetz’s first job after arriving in America…

Differential Transistor Amplifiers

Worksheets - Programmable Logic

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

Boolean Algebra

Worksheets - Programmable Logic

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

The R/2nR DAC: Binary-Weighted-Input Digital-to-Analog Converter

Textbook

What Is a R/2nR DAC Circuit? The R/2nR DAC circuit, otherwise known as…

Fail-safe Design

Textbook

Logic circuits, whether comprised of electromechanical relays or…

Design Project: Signal Generator

Worksheets - Programmable Logic

Explain the principle of operation for the particular integrated…

The TRIAC

Textbook

SCRs are unidirectional (one-way) current devices, making them useful…

Capacitor Charging and Discharging

Textbook

Capacitor Charging and Discharging Experiment Parts and Materials To…