Categories

Friis Transmission Calculator

Tools

This calculator computes the power received by an antenna using Friis formula

Electrical Signal Types

Textbook

With BogusBus, our signals were very simple and straightforward: each…

Principles of Radio

Textbook

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

Fundamentals of Radio Communication

Worksheets - Modules

What does the acronym RF stand form, in reference to radio-related…

Phase-Locked Loops

Worksheets - Modules

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

Signal Modulation

Worksheets - Modules

A modern method of electrical power control involves inserting a…

Network Protocols

Textbook

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

Networks and Busses

Textbook

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

Attenuators

Textbook

What is Attenuators? Attenuators are passive devices. It is…

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

Worksheets - Modules

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

Radio Circuits

Textbook

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

AC Instrumentation Transducers

Textbook

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

Pulse Width Modulation

Textbook

Pulse Width Modulation (PWM) uses digital signals to control power…

Special Transformers and Applications

Textbook

Impedance Matching Because transformers can step voltage and current…

Digital Communication

Worksheets - Modules

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

Selsyn (Synchro) Motors

Textbook

Normally, the rotor windings of a wound rotor induction motor are…

Mixed-Frequency Signals

Worksheets - Modules

What is a harmonic frequency? If an oscillator circuit outputs a…

Standing Waves and Resonance

Textbook

Whenever there is a mismatch of impedance between transmission line…

Other Diode Technologies

Textbook

Varicap or varactor diodes A variable capacitance diode is known as a…

Waveguides

Textbook

A waveguide is a special form of transmission line consisting of a…

What Is the Skin Effect?

Textbook

The Skin Depth of Copper in Electrical Engineering As previously…

Op-Amp Practical Considerations

Textbook

Real operational amplifiers have some imperfections compared to an…

Balanced Attenuator Calculator

Tools

This balanced attenuator calculator helps you determine the resistor (R1) values for a balanced attenuator.

Polar Form and Rectangular Form Notation for Complex Numbers

Textbook

In order to work with complex numbers without drawing vectors, we…

Principles of Radio

Textbook

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

Other Diode Technologies

Textbook

Varicap or varactor diodes A variable capacitance diode is known as a…

Decibels

Textbook

The Bel is Used to Represent Gain In its simplest form, an…

“Long’’ and “Short’’ Transmission Lines

Textbook

In DC and low-frequency AC circuits, the characteristic impedance of…

Electric Fields and Capacitance

Textbook

Introduction Whenever an electric voltage exists between two separated…

Amplifier Gain

Textbook

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

Waveguide Calculator (Rectangular)

Tools

This tool calculates the cutoff frequency of a rectangular waveguide

Characteristic Impedance

Textbook

The Parallel Wires of Infinite Length Suppose, though, that we had a…

Microstrip Max Current Calculator

Tools

A calculator for solving the maximum current a microstrip can handle.

AC Instrumentation Transducers

Textbook

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

Mutual Inductance

Worksheets - Modules

When an electric current is passed through a coil of wire, what…

Microstrip Inductance Calculator

Tools

This calculator computes the inductance of a microstrip etched on a PCB.

Absolute dB scales

Textbook

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

Electric Shock

Worksheets - Modules

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

What is Network Analysis?

Textbook

Generally speaking, network analysis is any structured technique used…

Waveguide Calculator (Circular)

Tools

This tool calculates the cutoff frequency of a circular waveguide

Contributors (10)

Textbook

Contributors to this chapter are listed in chronological order of…

Electrical Transients

Textbook

This chapter explores the response of capacitors and inductors to…

Divided Feedback

Textbook

If we add a voltage divider to the negative feedback wiring so that…

Motor Control Circuits

Textbook

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

Transistor as a Switch

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

Data - Resistance & Superconductor

Textbook

Tables of specific resistance and temperature coefficient of…

Low-pass Filters

Textbook

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

Vol V. Credits

Textbook

All entries arranged in alphabetical order of surname. Major…

Introduction to Combinational Logic Functions

Textbook

The term “combinational” comes to us from mathematics. In…

Voltage Signal Systems

Textbook

The use of variable voltage for instrumentation signals seems a rather…

Vol II. Credits

Textbook

All entries arranged in alphabetical order of surname. Major…

Thevenin-Norton Equivalencies

Textbook

Since Thevenin’s and Norton’s Theorems are two equally…

Fundamentals of Radio Communication

Worksheets - Modules

What does the acronym RF stand form, in reference to radio-related…

Rheostat Range Limiting

Textbook

PARTS AND MATERIALS Several 10 kΩ resistors One 10 kΩ…

Series Resistor-Capacitor Circuits

Textbook

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

Electromagnetism Experiment

Textbook

PARTS AND MATERIALS 6-volt battery Magnetic compass Small permanent…

Introduction to Complex Numbers

Textbook

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

Servo Motor Systems

Worksheets - Modules

Explain the operation of this “H-bridge” motor control circuit: At…

Regulated Power Sources

Worksheets - Modules

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

Memory with moving parts: “Drives”

Textbook

The earliest forms of digital data storage involving moving parts was…