Categories

Simple Circuits

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

Digital Display Circuits

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

Parallel Resistor Calculator

Tools

Calculate the equivalent resistance of up to six resistors in parallel with ease while learning how to calculate resistance in parallel and the parallel resistance formula.

AC Motor Theory

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

Design Project: LED Stroboscope

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

Switches

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What is the purpose of the switch shown in this schematic diagram?

Series LED Resistor Calculator

Tools

This series LED resistance calculator is perfect for when you have a single LED or a number of the same color of LEDs in series and need to know which resistor you should use.

DC Lab - Parallel Batteries

Textbook

In this hands-on electronics experiment, you will connect batteries in parallel to power a light and learn the relationship between the individual battery currents and the total system current.

Thyristor Application Circuits

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

555 Lab - Advanced Red LED Flasher

Textbook

In this hands-on electronics experiment, build a red LED flasher with a transistor drive to control the current and learn how to use transistors to provide current gain and how to limit LED current.

Light-Pulse Switch

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It is fairly important to use large value resistors (10 MΩ works…

Current Divider Circuits

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

Rectifier Circuits

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

Digital Lab - 10-bit Flashing LED Sequencer

Textbook

In this hands-on electronics experiment, build and test an automated circuit that sequentially flashes 10 LED, and learn about counters, frequency dividers, and switch debouncing.

Convert MCD to Lumens

Tools

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

AC phase

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

555 Lab - Blue LED Flasher With Voltage Doubler

Textbook

In this hands-on electronics experiment, build a blue LED flasher using a 555 timer and learn the basic theory of a voltage doubler using a transistor switch and a capacitor.

Static Electricity

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What does it mean for an object to have an electric charge? Give an…

Si Lab - Light Sensor (LED Photodetector)

Textbook

In this hands-on semiconductor electronics experiment, use an LED as a light-sensitive photodetector and learn how to use a bipolar transistor in a common-emitter amplifier configuration.

Special-purpose Diodes

Textbook

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

Symmetric Stripline Impedance Calculator

Tools

This calculator helps you compute the characteristic impedance of a symmetric stripline.

Combination Tubes

Textbook

Similar in thought to the idea of the integrated circuit, tube…

Stepper Motor Calculator

Tools

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

The Thyristor

Textbook

A thyristor is a device that has a number of unusual characteristics.…

Semiconductor Manufacturing Techniques

Textbook

The manufacture of only silicon based semiconductors is described…

Coax Impedance Calculator

Tools

A helpful tool for calculating the impedance of a coaxial cable.

AC Lab - Variable Inductor

Textbook

In this hands-on AC electronics experiment, build a variable conductor and learn the impact of a metal core placed inside an inductor coil has on the inductance.

Design Project: Event Counter

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If your event sensing switch is mechanical in nature, you will likely…

Microstrip Crosstalk Calculator

Tools

This tool is designed to calculate cross-talk coefficient and coupled voltage for a microstrip.

Flash ADC

Textbook

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

Introduction to Digital Communication

Textbook

In the design of large and complex digital systems, it is often…

Mutual Inductance

Textbook

If two coils of wire are brought into close proximity with each other…

Square Root, Cube Root, and Nth Root Calculator

Tools

This calculator will determine the square root, cube root, or nth root of a given number, x.

Networks and Busses

Textbook

The wires between the tank and the monitoring location is  called…

What is the Difference Between Series and Parallel Circuits?

Textbook

Circuits consisting of just one battery and one load resistance are…

Inverting Op-Amp Resistor Calculator

Tools

This calculator determines the bias and feedback of resistors for an inverting op-amp.

555 Lab - Blue LED Flasher With Voltage Doubler

Textbook

In this hands-on electronics experiment, build a blue LED flasher using a 555 timer and learn the basic theory of a voltage doubler using a transistor switch and a capacitor.

Why digital?

Textbook

Although many textbooks provide good introductions to digital memory…

Performance-Based Assessments for AC Circuit Competencies

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(Template)

Inductance

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∫f(x) dx Calculus alert! One of the fundamental principles of…

Right Triangle Trigonometry

Textbook

  A right triangle is defined as having one angle precisely…

Reflection Attenuator Calculator

Tools

This tool is designed to calculate the value of resistance R1 in a reflection attenuator.

The Common-collector Amplifier

Textbook

Our next transistor configuration to study is a bit simpler for gain…

Contributors (8)

Textbook

Contributors to this chapter are listed in chronological order of…

Parallel R, L, and C

Textbook

We can take the same components from the series circuit and rearrange…

Parallel Circuit Rules

Textbook

Voltage Components in a parallel circuit share the same voltage:…

555 Lab - Red LED Flasher

Textbook

In this hands-on electronics experiment, you will build a red LED flasher and learn a useful application of the versatile 555 timer IC.

Conventional Versus Electron Flow

Textbook

“The nice thing about standards is that there are so many of…

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.

TTL NAND and AND gates

Textbook

Suppose we altered our basic open-collector inverter circuit, adding a…

Bandpass Filter Calculator

Tools

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

Look-up Tables

Textbook

Having learned about digital memory devices in the last chapter, we…

Simple Parallel (Tank Circuit) Resonance

Textbook

Resonance in a Tank Circuit A condition of resonance will be…

Signal Modulation

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A modern method of electrical power control involves inserting a…

Si Lab - Light Sensor (LED Photodetector)

Textbook

In this hands-on semiconductor electronics experiment, use an LED as a light-sensitive photodetector and learn how to use a bipolar transistor in a common-emitter amplifier configuration.

Binary Subtraction

Textbook

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

Counter Modulus

Textbook

Incomplete

Component Failure Analysis (Continued)

Textbook

“I consider that I understand an equation when I can predict the…

Emergency Response

Textbook

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

Field-effect-controlled Thyristors

Textbook

Two relatively recent technologies designed to reduce the…