Categories

Basic Logic Gate Troubleshooting

Worksheets - Digital ICs

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

Boolean Algebraic Identities

Textbook

In mathematics, an identity is a statement true for all possible…

The “Buffer” Gate

Textbook

If we were to connect two inverter gates together so that the output…

Tracking ADC

Textbook

A third variation on the counter-DAC-based converter theme is, in my…

Digital Ramp ADC

Textbook

Also known as the stairstep-ramp, or simply counter A/D converter,…

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

Textbook

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

Encoder

Textbook

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

Servo Motor Systems

Worksheets - Digital ICs

Explain the operation of this “H-bridge” motor control circuit: At…

Digital Signals and Gates

Textbook

While the binary numeration system is an interesting mathematical…

A Binary Adder

Textbook

Suppose we wanted to build a device that could add two binary bits…

Boolean Algebra

Worksheets - Digital ICs

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

Programmable Logic Controllers

Worksheets - Digital ICs

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

Boolean Rules for Simplification

Textbook

Boolean algebra finds its most practical use in the simplification of…

Safe Meter Usage

Textbook

Using an electrical meter safely and efficiently is perhaps the most…

Design Project: Power Inverter

Worksheets - Digital ICs

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

Don’t Care Cells in the Karnaugh Map

Textbook

Up to this point we have considered logic reduction problems where…

Circuit Simplification Examples

Textbook

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

Monostable Multivibrators

Textbook

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

Introduction to Karnaugh Mapping

Textbook

Why learn about Karnaugh maps? The Karnaugh map, like Boolean…

Computational Circuits

Textbook

When someone mentions the word “computer,” a digital…

Asymmetric Stripline Impedance Calculator

Tools

This calculator helps you compute the characteristic impedance of an asymmetric stripline

Voltage Multipliers (Doublers, Triplers, Quadruplers, and More)

Textbook

A voltage multiplier is a specialized rectifier circuit…

Resonance

Worksheets - Digital ICs

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

Power Density Calculator

Tools

A tool designed to calculate the power density of an antenna

Impedance Transformation

Textbook

Standing waves at the resonant frequency points of an open- or…

Temperature Converter

Tools

Convert between Celsius, Fahrenheit and Kelvin

Contributors (12)

Textbook

Contributors to this chapter are listed in chronological order of…

The Tetrode

Textbook

As the name suggests, the tetrode tube contains four elements: cathode…

Ionization (gas-filled) Tubes

Textbook

So far, we’ve explored tubes which are totally…

Bridge Circuits

Textbook

No text on electrical metering could be called complete without a…

Specific Troubleshooting Techniques

Textbook

After applying some of the general troubleshooting tips to narrow the…

Building Resistor Circuits Using Breadboards, Perfboards, and Terminal Strips

Textbook

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

Waveguide Calculator (Circular)

Tools

This tool calculates the cutoff frequency of a circular waveguide

Copper Wire Ampacity Table

Textbook

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

Maximum Power Transfer Theorem

Textbook

The Maximum Power Transfer Theorem is not so much a means of analysis…

The Importance of Electrical Safety

Textbook

With this lesson, I hope to avoid a common mistake found in…

Friis Transmission Calculator

Tools

This calculator computes the power received by an antenna using Friis formula

Semiconductor Devices in SPICE

Textbook

The SPICE (Simulation Program, Integrated Circuit Emphesis)…

AC Motor Theory

Worksheets - Digital ICs

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

Network Protocols

Textbook

Aside from the issues of the physical network (signal types and…

Basic Gate Function

Textbook

Parts and Materials 4011 quad NAND gate (Radio Shack catalog #…

Capacitive Reactance

Worksheets - Digital ICs

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

Bipolar Junction Transistors as Switches

Worksheets - Digital ICs

Solid-state switching circuits usually keep their constituent…

Positive Feedback OpAmp Circuits

Worksheets - Digital ICs

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

Three-phase Transformer Circuits

Textbook

Since three-phase is used so often for power distribution systems, it…

Kirchhoff’s Voltage Law (KVL)

Textbook

What is Kirchhoff’s Voltage Law (KVL)? The principle known as…

Superposition Theorem

Textbook

The superposition theorem is one of those strokes of genius that takes…

Power Supply Circuits

Textbook

There are three major kinds of power supplies: unregulated (also…

Circuit Components

Textbook

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

Microstrip Trace Width Calculator

Tools

This tool is designed to compute for the trace width of a microstrip

Design Project: Pulse-Width Modulation (PWM) Signal Generator

Worksheets - Digital ICs

What shape of voltage waveform would you expect to measure (using an…

Quantum Devices

Textbook

Most integrated circuits are digital, based on MOS (CMOS) transistors.…

Antenna Downtilt and Coverage Calculator

Tools

This calculator will determine the correct antenna downtilt angle given the heights of the antennas and distance between them.

Frequency and Phase Measurement

Textbook

An important electrical quantity with no equivalent in DC circuits is…

Larger 5 & 6-variable Karnaugh Maps

Textbook

Larger Karnaugh maps reduce larger logic designs. How large is large…

The NOT Gate

Textbook

The single-transistor inverter circuit illustrated earlier is actually…

Design Project: DC Voltage Regulator

Worksheets - Digital ICs

It may seem difficult to even start on a project such as this, with no…

DC Lab - Build Your Own Multimeter

Textbook

In this hands-on electronics experiment, you will build a simple voltmeter and ammeter while learning some fundamentals about circuit measurements.

AC Phase

Textbook

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

Stripline Trace Width Calculator

Tools

A calculator designed to calculate the trace width of a stripline based on the maximum current rating