Categories

Passive Filter Circuits

Worksheets - Modules

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

Pulse Width Modulation

Textbook

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

Phase-Locked Loops

Worksheets - Modules

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

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

Worksheets - Modules

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

Standing Waves and Resonance

Textbook

Whenever there is a mismatch of impedance between transmission line…

Network Protocols

Textbook

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

Other Diode Technologies

Textbook

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

Signal Modulation

Worksheets - Modules

A modern method of electrical power control involves inserting a…

Digital Communication

Worksheets - Modules

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

AC Instrumentation Transducers

Textbook

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

Waveguides

Textbook

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

Networks and Busses

Textbook

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

Selsyn (Synchro) Motors

Textbook

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

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…

Radio Circuits

Textbook

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

Mixed-Frequency Signals

Worksheets - Modules

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

Principles of Radio

Textbook

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

Special Transformers and Applications

Textbook

Impedance Matching Because transformers can step voltage and current…

Fundamentals of Radio Communication

Worksheets - Modules

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

Waveguide Calculator (Circular)

Tools

This tool calculates the cutoff frequency of a circular waveguide

Standing Waves and Resonance

Textbook

Whenever there is a mismatch of impedance between transmission line…

Electromagnetism

Textbook

The discovery of the relationship between magnetism and electricity…

What is a Filter?

Textbook

It is sometimes desirable to have circuits capable of selectively…

Noise Figure Calculator

Tools

A tool designed to calculate the noise figure of cascaded amplifiers

Absolute dB scales

Textbook

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

Principles of Radio

Textbook

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

Harmonic Phase Sequences

Textbook

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

Review of R, X, and Z (Resistance, Reactance and Impedance)

Textbook

Before we begin to explore the effects of resistors, inductors, and…

Permanent Magnets

Textbook

Centuries ago, it was discovered that certain types of mineral rock…

Inductance, Reactance, and Admittance Calculator

Tools

This calculator gives the reactance and admittance of an inductor or the inductance given the reactance of an inductor

Q Factor and Bandwidth of a Resonant Circuit

Textbook

The Q, or quality, factor of a resonant circuit is a measure of the…

Special Transformers and Applications

Textbook

Impedance Matching Because transformers can step voltage and current…

Radio Circuits

Textbook

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

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.

Data Flow

Textbook

Buses and networks are designed to allow communication to occur…

RF Power Conversion Calculator

Tools

A tool designed to convert RF power from watts to decibels and vice versa

Skin Depth Calculator

Tools

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

Electric Fields and Capacitance

Textbook

Introduction Whenever an electric voltage exists between two separated…

Introduction to Digital Communication

Textbook

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

Phasor Mathematics

Worksheets - Modules

Provide a definition for phasor, as the term applies to electrical…

Some Examples with AC Circuits

Textbook

Let’s connect three AC voltage sources in series and use complex…

Decimal versus Binary Numeration

Textbook

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

DC Motor Control Circuits

Worksheets - Modules

How is it possible to electrically measure the torque output by a…

Induction Motor, Large

Textbook

PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…

Contributors (14)

Textbook

Contributors to this chapter are listed in chronological order of…

Microstrip Crosstalk Calculator

Tools

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

Design Project: Audio Media-Based Signal Generator

Worksheets - Modules

Identify some different ways you can create the sine-wave audio tracks…

Computer Simulation of Electric Circuits

Textbook

Computers can be powerful tools if used properly, especially in the…

Amplifier Impedances

Textbook

Input impedance varies considerably with the circuit configuration…

Counter Modulus

Textbook

Incomplete

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

Wiring Color Codes

Textbook

Wiring for AC and DC power distribution branch circuits are color…

Simple Combination Lock

Textbook

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

Nonlinear OpAmp Circuits

Worksheets - Modules

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

Physical Effects of Electricity

Worksheets - Modules

Certain substances are known to physically deform (shorten or…

From Electric to Electronic

Textbook

Introduction This third volume of the book series Lessons In Electric…

Venn Diagrams and Sets

Textbook

Mathematicians use Venn diagrams to show the logical relationships of…

Power Added Efficiency Calculator

Tools

A calculator designed to compute the power-added efficiency (PAE) of an amplifier

Special-purpose Diodes

Textbook

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