Categories

Transistor as a Switch

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN transistor—models…

Digital Display Circuits

Worksheets - Optoelectronics

What is the purpose of a seven-segment decoder circuit? What is a…

Programmable Logic Controllers (PLC)

Textbook

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

Special-purpose Diodes

Textbook

Schottky diodes Schottky diodes are constructed of a metal-to-N…

CMOS 555 Long Duration Flyback LED Flasher

Textbook

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

7-segment Display

Textbook

PARTS AND MATERIALS 4511 BCD-to-7seg latch/decoder/driver (Radio…

Karnaugh Mapping

Worksheets - Optoelectronics

Identify each of these logic gates by name, and complete their…

Convert MCD to Lumens

Tools

This calculator is useful for calculating the luminous flux for LEDs where the angle is known.

CMOS 555 Long Duration Minimum Parts Red LED Flasher

Textbook

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

LED Sequencer

Textbook

PARTS AND MATERIALS 4017 decade counter/divider (Radio Shack catalog…

Simple Combination Lock

Textbook

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

Optoelectronic Devices

Worksheets - Optoelectronics

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

LED Resistor Calculator

Tools

An LED resistance calculator is perfect for when you have a single LED and need to know which resistor you should use.

CMOS 555 Long Duration Blue LED Flasher

Textbook

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

CMOS 555 Long Duration Red LED Flasher

Textbook

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

Design Project: LED Stroboscope

Worksheets - Optoelectronics

A technician uses a stroboscope to “freeze” the rotation of a…

Display Tubes

Textbook

In addition to performing tasks of amplification and switching, tubes…

Binary Overflow

Textbook

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

Practical considerations - Digital Communication

Textbook

A principal consideration for industrial control networks, where the…

JFET Current Regulator

Textbook

PARTS AND MATERIALS One N-channel junction field-effect transistor,…

Copper Wire Gauge Table

Textbook

Solid Cooper Wire Table Size Diameter (inches) Cross-sectional area…

Pi Attenuator Calculator

Tools

This calculator helps you determine the values of the resistors R1 and R2 to be used for a Pi Attenuator.

Pi-Match Impedance Matching Calculator

Tools

This calculator is designed to compute the parameters required to design a Pi-Match Impedance Circuit

Harmonics in Polyphase Power Systems

Textbook

In the chapter on mixed-frequency signals, we explored the concept of…

Thyristor Application Circuits

Worksheets - Optoelectronics

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

Scientific Notation

Textbook

In many disciplines of science and engineering, very large and very…

Permeability and Saturation

Textbook

The nonlinearity of material permeability may be graphed for better…

Decimal versus Binary Numeration

Textbook

Let’s count from zero to twenty using four different kinds of…

Flash ADC

Textbook

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

Thyristors

Textbook

Thyristors are a broad classification of bipolar-conducting…

Safe Circuit Design

Textbook

As we saw earlier, a power system with no secure connection to earth…

Noise Figure Calculator

Tools

A tool designed to calculate the noise figure of cascaded amplifiers

Design Project: Sensitive Microphone Amplifier

Worksheets - Optoelectronics

Identify which direction each potentiometer wiper must move in this…

Precise Diode Circuits

Worksheets - Optoelectronics

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

Protective Relays

Textbook

A special type of relay is one which monitors the current, voltage,…

Three-phase Power Systems

Textbook

What is Split-Phase Power Systems? Split-phase power systems achieve…

More on Spectrum Analysis

Textbook

Computerized Fourier analysis, particularly in the form of the FFT…

Multimeters

Textbook

Seeing as how a common meter movement can be made to function as a…

Special Transformers and Applications

Textbook

Impedance Matching Because transformers can step voltage and current…

Multiplexers

Textbook

A multiplexer, abbreviated mux, is a device that has multiple inputs…

Electric Fields and Capacitance

Textbook

Introduction Whenever an electric voltage exists between two separated…

Musical Keyboard as a Signal Generator

Textbook

PARTS AND MATERIALS Electronic “keyboard” (musical) “Mono”…

Digital Logic With Feedback

Textbook

With simple gate and combinational logic circuits, there is a definite…

Table (portrait view)

Textbook

Periodic table of chemical elements.

Bandpass Filter Calculator

Tools

This calculates values of the inductance, capacitance of an inductor and capacitor used in a Butterworth LC bandpass filter.

Wire Loop Inductance Calculator

Tools

This calculator helps you compute the inductance of a wire loop.

Introduction to Electron Tubes

Textbook

An often neglected area of study in modern electronics is that of…

Thyristors

Textbook

Thyristors are a broad classification of bipolar-conducting…

The Exclusive-OR Function: The XOR Gate

Textbook

What Is a XOR Gate? One element conspicuously missing from the set of…

The S-R Latch

Textbook

A bistable multivibrator has two stable states, as indicated by the…

DC Mesh Current Analysis

Worksheets - Optoelectronics

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

Basic Ohmmeter Use

Worksheets - Optoelectronics

Explain how an ohmmeter is able to measure the resistance of a…

AC phase

Worksheets - Optoelectronics

If we were to express the series-connected DC voltages as phasors…

Circuit Wiring

Textbook

So far, we’ve been analyzing single-battery, single-resistor…

Sum and Product Notation

Textbook

For reference, this section introduces the terminology used in some…

Creating Custom Calibration Resistances

Textbook

Often in the course of designing and building electrical meter…

Flyback Switch Mode Regulator Calculator

Tools

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