Categories

Basic Electromagnetic Relays

Worksheets - Digital ICs

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

Conventional Transistor Overview and Special Transistors

Worksheets - Digital ICs

A microcontroller is a specialized type of digital computer used to…

Venn Diagrams and Sets

Textbook

Mathematicians use Venn diagrams to show the logical relationships of…

CMOS 555 Long Duration Flyback LED Flasher

Textbook

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

Fail-safe Design

Textbook

Logic circuits, whether comprised of electromechanical relays or…

Digital Communication

Worksheets - Digital ICs

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

Vol III. Credits

Textbook

All entries arranged in alphabetical order of surname. Major…

Introduction to Digital Integrated Circuits

Textbook

Digital circuits are circuits dealing with signals restricted to the…

Digital Codes

Worksheets - Digital ICs

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

Octal and Hexadecimal to Decimal Conversion

Textbook

Although the prime intent of octal and hexadecimal numeration systems…

555 Monostable Multivibrator

Textbook

PARTS AND MATERIALS One 9V Battery Battery Clip (Radio Shack catalog #…

Binary Addition

Textbook

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

Motor Control Circuits

Textbook

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

The 555 IC

Textbook

The 555 integrated circuit is the most popular chip ever manufactured.…

Shift Registers

Worksheets - Digital ICs

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

Shift Registers: Serial-in, Serial-out

Textbook

Serial-in, serial-out shift registers delay data by one clock time for…

CMOS 555 Long Duration Minimum Parts Red LED Flasher

Textbook

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

Boolean Algebraic Identities

Textbook

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

3-bit Binary Counter

Textbook

PARTS AND MATERIALS 555 timer IC (Radio Shack catalog # 276-1723) One…

Binary Count Sequence

Textbook

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

Atomic Structure

Worksheets - Digital ICs

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

Emergency Response

Textbook

Despite lock-out/tag-out procedures and multiple repetitions of…

Transistor Ratings and Packages (JFET)

Textbook

Timer Circuits

Worksheets - Digital ICs

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

Diode Ratings

Textbook

In addition to forward voltage drop (Vf) and peak inverse voltage…

Coil Inductance Calculator

Tools

This calculator computes the inductance of a wire coil.

Creating Custom Calibration Resistances

Textbook

Often in the course of designing and building electrical meter…

Contributors (15)

Textbook

Contributors to this chapter are listed in chronological order of…

Design Project: Simple Component Curve-Tracer Circuit

Worksheets - Digital ICs

What do each of the oscilloscope axes represent, in real-life terms…

Stepper Motor Calculator

Tools

A tool designed to calculate the maximum speed, minimum time per step and maximum power of a stepper motor

Phasing

Textbook

Since transformers are essentially AC devices, we need to be aware of…

Derivatives of Power Functions of e

Textbook

Example Derivatives of e Proportionality Constant When we say that a…

Junction Diodes

Textbook

There was some historic crude, but usable were some historic crude,…

Radar Maximum Range Calculator

Tools

This tool is designed to calculate the maximum distance (range) that a radar can detect

The Gated S-R Latch

Textbook

It is sometimes useful in logic circuits to have a multivibrator which…

The 555 IC

Textbook

The 555 integrated circuit is the most popular chip ever manufactured.…

Design Project: Audio Tone Control

Worksheets - Digital ICs

Suppose you were installing a high-power stereo system in your car,…

Power in Resistive and Reactive AC circuits

Textbook

Consider a circuit for a single-phase AC power system, where a 120…

LC Tank Circuit Resonance Calculator

Tools

This calculator computes the resonant frequency of a parallel inductor and capacitor "tank" circuit.

DIP Gate Packaging

Textbook

Digital logic gate circuits are manufactured as integrated circuits:…

Basic Troubleshooting Strategies

Worksheets - Digital ICs

A chandelier has five light bulbs in it, and one of them is not…

The P-N Junction

Textbook

If a block of P-type semiconductor is placed in contact with a block…

Design Project: DC Voltage Regulator

Worksheets - Digital ICs

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

Snell’s Law Calculator

Tools

Given three of the four input parameters (refractive indices, angles of incidence, and refraction) this tool calculates the missing variable based on Snell's law.

Active-mode Operation (IGFET)

Textbook

Semiconductor Devices in SPICE

Textbook

The SPICE (Simulation Program, Integrated Circuit Emphesis)…

Design Project: Sensitive Audio Detector

Worksheets - Digital ICs

The choice of step-down transformers to use in a project such as this…

Microprocessors

Textbook

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

AC Network Analysis

Worksheets - Digital ICs

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

Mesh Current Method and Analysis

Textbook

The Mesh-Current Method, also known as the Loop Current Method, is…

Measurement Circuits

Textbook

Figure below shows a photodiode amplifier for measuring low levels of…

Biasing Techniques (JFET)

Textbook

Wire Over Plane Inductance Calculator

Tools

This calculator helps you compute the inductance of a wire-over-plane setup.

Coefficients of Specific Resistance

Textbook

Specific resistance at 20o C:  Material Element/Alloy ohm-cmil/ft…

Series Resistor-Capacitor Circuits

Textbook

In the last section, we learned what would happen in simple…

Flyback Switch Mode Regulator Calculator

Tools

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

The Pentode

Textbook

Another strategy for addressing the problem of secondary electrons…

A Very Simple Circuit

Textbook

Parts and Materials 6-volt battery 6-volt incandescent lamp Jumper…

Gate Universality

Textbook

NAND and NOR gates possess a special property: they are universal.…

BJT Quirks

Textbook

An ideal transistor would show 0% distortion in amplifying a signal.…