Categories

Electric Shock

Worksheets - Wireless/RF

It is sometimes said regarding electrical safety that, Ït’s not the…

Standing Waves and Resonance

Textbook

Whenever there is a mismatch of impedance between transmission line…

Maximum Power Transfer Theorem

Textbook

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

Magnetic Units of Measurement

Textbook

If the burden of two systems of measurement for common quantities…

Low-pass Filters

Textbook

By definition, a low-pass filter is a circuit offering easy passage to…

Amplifier Gain

Textbook

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

Bandpass Filter Calculator

Tools

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

Skin Depth Calculator

Tools

A tool designed to calculate skin depth based on the conductive material being used and the frequency of the signal.

VSWR / Return Loss Calculator

Tools

A calculator designed to compute the VSWR, reflection coefficient, return loss and matching loss in a transmission line

Bridged-Tee Attenuator Calculator

Tools

This calculator helps you determine the values of the resistors R1 and R2 to be used for a bridged-tee attenuator.

Band-stop Filters

Textbook

How to Create a Band-stop Filter? Also called band-elimination,…

Coax Inductance Calculator

Tools

A calculator for computing the inductance of a coaxial cable.

Power Density Calculator

Tools

A tool designed to calculate the power density of an antenna

Network Protocols

Textbook

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

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.

Principles of Radio

Textbook

One of the more fascinating applications of electricity is in the…

Coax Impedance Calculator

Tools

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

Optical Data Communication

Textbook

A modern alternative to sending (binary) digital information via…

Square Wave Signals

Textbook

It has been found that any repeating, non-sinusoidal waveform can be…

Harmonic Phase Sequences

Textbook

In the last section, we saw how the 3rd harmonic and all of its…

Bandpass Filter Calculator

Tools

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

Tube Parameters

Textbook

For bipolar junction transistors, the fundamental measure of…

Si Lab - BJT Common-emitter Amplifier

Textbook

In this hands-on semiconductor electronics experiment, construct a common-emitter amplifier using a bipolar junction transistor (BJT) and learn about amplifier gain and feedback.

The “Operational” Amplifier

Textbook

Long before the advent of digital electronic technology, computers…

DC Lab - Potato Battery

Textbook

In this hands-on electronics experiment, you will create a battery from a potato (yes! a potato) and learn about the relationship between chemical energy and electric energy.

Special Diodes

Worksheets - Wireless/RF

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

Design Project: DC Motor

Worksheets - Wireless/RF

The armature windings of your DC motor will have very low resistance.…

Lenz’s Law and Faraday’s Law Calculator

Tools

This calculator uses Faraday's and Lenz's laws to calculate the magnitude and polarity of the induced electromotive force (EMF) caused by a change in magnetic flux through a closed-loop coil.

Polyphase Power Systems

Worksheets - Wireless/RF

Explain the difference between a balanced polyphase system and an…

Radio Circuits

Textbook

(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…

Magnetic Fields and Inductance

Textbook

Whenever electrons flow through a conductor, a magnetic field will…

Boolean Arithmetic

Textbook

Let us begin our exploration of Boolean algebra by adding numbers…

Practical Considerations - Capacitors

Textbook

Capacitors, like all electrical components, have limitations that must…

Wire-by-Number project kit introduction

Worksheets - Wireless/RF

Wire-by-Number project: simple voltage divider Description: Build a…

Digital Lab - S-R Latch Using NOR Gates

Textbook

In this hands-on electronics experiment, build an S-R latch using two NOR gates and learn how this type of digital memory operates, including invalid states, race conditions, and the effects of output loading.

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

Textbook

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

Motor Control Circuits

Textbook

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

Factors Affecting Inductance

Textbook

There are four basic factors of inductor construction determining the…

AC Resistor Circuits (Inductive)

Textbook

Instantaneous Values in AC Circuits Pure resistive AC circuit:…

Basic Electromagnetic Relays

Worksheets - Wireless/RF

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

AC Lab - Signal and Noise Coupling

Textbook

In this hands-on AC electronics experiment, power a DC motor through a multi-conductor cable to learn how AC signals are coupled between conductors and how to mitigate noise coupling.

Practical Considerations of ADC Circuits

Textbook

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

Multiple-input Gates

Textbook

The Use of Logic Gate Inverters and buffers exhaust the possibilities…

Arithmetic Properties

Textbook

Associative Property In addition and multiplication, terms may be…

Wire-by-Number project kit introduction

Worksheets - Wireless/RF

Wire-by-Number project: simple voltage divider Description: Build a…

AC Lab - Build a Transformer

Textbook

In this hands-on AC electronics experiment, build a simple transformer and learn some important transformer fundamentals including voltage step-up and step-down.

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.

Scientific Notation and Metric Prefixes

Worksheets - Wireless/RF

Write the following exponential expressions in expanded form: 101 =…

DIP Gate Packaging

Textbook

Digital logic gate circuits are manufactured as integrated circuits:…

Battery Life Calculator

Tools

This calculator provides three options—basic, intermediate, and advanced—for determining expected battery life for microcontroller, Internet of Things (IoT), and edge processing systems with up to four different operating modes.

Mutual Inductors

Textbook

Mutual inductors are inductors that capitalize the effect of mutual…

Static Electricity

Worksheets - Wireless/RF

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

Sequences

Textbook

Arithmetic Sequences An arithmetic sequence is a series of numbers…

Step-up, Step-down, and Isolation Transformers

Worksheets - Wireless/RF

Calculate the voltage output by the secondary winding of a transformer…

Differential Transistor Amplifiers

Worksheets - Wireless/RF

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

AC Lab - Using a Transformer to Build a 12 VAC Power Supply

Textbook

In this hands-on AC electronics experiment, build a 12 V alternating current (AC) power supply using a step-down transformer and learn about transformer operation and the purpose of tapped windings.

Si Lab - Full-wave Bridge Rectifier With Output Filtering

Textbook

In this hands-on semiconductor experiment, build an improved full-wave rectifier with output filtering and learn about capacitive filtering in AC-to-DC power converters.

AC Network Analysis

Worksheets - Wireless/RF

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

Bipolar Junction Transistors

Textbook

The bipolar junction transistor (BJT) was named because its operation…

Design Project: LED Stroboscope

Worksheets - Wireless/RF

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