Categories

Microstrip Patch Antenna Calculator

Tools

This tool calculates the dimensions of the microstrip patch antenna given the desired operating frequency.

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.

Phase-Locked Loops

Worksheets - Wireless/RF

This is a schematic for a simple VCO: The oscillator is of the RC…

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

Worksheets - Wireless/RF

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

ElectroStatic Discharge

Textbook

At the start of this book, we discussed static electricity and how it…

Absolute dB scales

Textbook

Decibel as Absolute Unit of Power It is also possible to use the…

What Is the Skin Effect?

Textbook

The Skin Depth of Copper in Electrical Engineering As previously…

Optical Data Communication

Textbook

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

Introduction to Mixed-Frequency AC Signals

Textbook

In our study of AC circuits thus far, we’ve explored circuits…

Half-wave Rectifier

Textbook

PARTS AND MATERIALS Low-voltage AC power supply (6-volt output) 6-volt…

Noise Figure Calculator

Tools

A tool designed to calculate the noise figure of cascaded amplifiers

Electromagnetism

Textbook

The discovery of the relationship between magnetism and electricity…

Electric Shock

Worksheets - Wireless/RF

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

Passive Filter Circuits

Worksheets - Wireless/RF

In very simple, qualitative terms, rate the impedance of capacitors…

Power Density Calculator

Tools

A tool designed to calculate the power density of an antenna

Reflection Attenuator Calculator

Tools

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

AC Instrumentation Transducers

Textbook

Just as devices have been made to measure certain physical quantities…

Special Transformers and Applications

Textbook

Impedance Matching Because transformers can step voltage and current…

Standing Waves and Resonance

Textbook

Whenever there is a mismatch of impedance between transmission line…

Harmonic Phase Sequences

Textbook

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

Build a Transformer

Textbook

PARTS AND MATERIALS Steel flat bar, 4 pieces Miscellaneous bolts,…

Pi-Match Impedance Matching Calculator

Tools

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

Contributors (8)

Textbook

Contributors to this chapter are listed in chronological order of…

Thevenin’s Theorem

Textbook

Thevenin’s Theorem states that it is possible to simplify any…

Thermoelectricity

Textbook

PARTS AND MATERIALS Length of bare (uninsulated) copper wire Length of…

The Instrumentation Amplifier

Textbook

What Is an Instrumentation Amplifier? An instrumentation amplifier…

3-bit Binary Counter

Textbook

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

Scientific Notation in SPICE

Textbook

The SPICE circuit simulation computer program uses scientific notation…

Design Project: Audio Power Amplifier

Worksheets - Wireless/RF

Explain how the microphone in your amplifier works. How, exactly, does…

Connectors

Textbook

An electrical connector, is an electro-mechanical device used to join…

Bipolar Junction Transistors

Textbook

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

An Analogy for Divided Feedback

Textbook

A helpful analogy for understanding divided feedback amplifier…

Introduction to Complex Numbers

Textbook

If I needed to describe the distance between two cities, I could…

Table (landscape view)

Textbook

Periodic table of chemical elements.

The DIAC

Textbook

Like all diodes, Shockley diodes are unidirectional devices; that is,…

Voltage and Current in a Practical Circuit

Textbook

Because it takes energy to force charge to flow against the opposition…

Trigonometric Equivalencies

Textbook

Millman’s Theorem Revisited

Textbook

You may have wondered where we got that strange equation for the…

Design Project: Voltmeter

Worksheets - Wireless/RF

The most important component of your voltmeter will be the…

Permeability and Saturation

Textbook

The nonlinearity of material permeability may be graphed for better…

Wire Types and Sizes

Worksheets - Wireless/RF

Most electrical wire is covered in a rubber or plastic coating called…

Boolean Arithmetic

Textbook

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

Contributors (3)

Textbook

<p> Contributors to this chapter are listed in chronological…

The Common-base Amplifier

Textbook

The final transistor amplifier configuration (Figure below) we need to…

Power Quality Measurement

Textbook

It used to be with large AC power systems that “power…

Arc Flash and Arc Blast

Worksheets - Wireless/RF

Electromechanical relays used to start and stop high-power electric…

Resonant Filters

Textbook

So far, the filter designs we’ve concentrated on have employed…

The Thyristor

Textbook

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

Digital Logic With Feedback

Textbook

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

Practical Considerations - Batteries

Textbook

When connecting batteries together to form larger “banks”…

Edge-triggered Latches: Flip-Flops

Textbook

So far, we’ve studied both S-R and D latch circuits with enable…

Conductors, Insulators, and Electron Flow

Textbook

The electrons of different types of atoms have different degrees of…

Critical Temperatures for Superconductors

Textbook

Critical temperatures given in Kelvins Material Element/Alloy Critical…

Binary Addition

Textbook

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

Setting Up a Home Lab

Textbook

In order to build the circuits described in this volume, you will need…

Design Project: Sensitive Microphone Amplifier

Worksheets - Wireless/RF

Identify which direction each potentiometer wiper must move in this…

An Electric Pendulum

Textbook

Capacitors store energy in the form of an electric field, and…

Trigonometry for AC Circuits

Worksheets - Wireless/RF

Identify which trigonometric functions (sine, cosine, or tangent) are…

The Junction Field-effect Transistor (JFET) as a Switch

Textbook

Like its bipolar cousin, the field-effect transistor may be used as an…

Edge Coupled Stripline Impedance Calculator

Tools

A calculator for computing the impedance of an edge coupled stripline.