Categories

Phase-Locked Loops

Worksheets - Modules

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

Fundamentals of Radio Communication

Worksheets - Modules

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

Principles of Radio

Textbook

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

Networks and Busses

Textbook

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

Pulse Width Modulation

Textbook

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

AC Instrumentation Transducers

Textbook

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

Standing Waves and Resonance

Textbook

Whenever there is a mismatch of impedance between transmission line…

Radio Circuits

Textbook

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

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…

Electrical Signal Types

Textbook

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

Waveguides

Textbook

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

Mixed-Frequency Signals

Worksheets - Modules

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

Friis Transmission Calculator

Tools

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

Selsyn (Synchro) Motors

Textbook

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

Other Diode Technologies

Textbook

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

Attenuators

Textbook

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

Special Transformers and Applications

Textbook

Impedance Matching Because transformers can step voltage and current…

Passive Filter Circuits

Worksheets - Modules

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

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

Worksheets - Modules

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

Electric Shock

Worksheets - Modules

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

Introduction to Mixed-Frequency AC Signals

Textbook

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

Microstrip Inductance Calculator

Tools

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

Radio Circuits

Textbook

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

Resonant Filters

Textbook

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

Special Transformers and Applications

Textbook

Impedance Matching Because transformers can step voltage and current…

Three-phase Transformer Circuits

Textbook

Since three-phase is used so often for power distribution systems, it…

Wavelength (TEM) Calculator

Tools

This calculator determines the wavelength of a signal given the frequency and dielectric constant.

Decibels

Textbook

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

ElectroStatic Discharge

Textbook

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

Q Factor and Bandwidth of a Resonant Circuit

Textbook

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

Square Wave Signals

Textbook

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

EIRP Calculator

Tools

A helpful tool for computing the Effective Isotropic Radiated Power (EIRP) of an antenna

High-pass Filters

Textbook

A high-pass filter’s task is just the opposite of a low-pass…

Peak Detector

Textbook

A peak detector is a series connection of a diode and a…

Selsyn (Synchro) Motors

Textbook

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

RF Power Ratio Conversion Calculator

Tools

This tool is designed to convert power ratios to decibel

Signal Modulation

Worksheets - Modules

A modern method of electrical power control involves inserting a…

Microstrip Patch Antenna Calculator

Tools

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

Other Diode Technologies

Textbook

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

Metric Prefixes and Unit Conversions

Textbook

Metric Prefixes   Yotta = 1024 Symbol: Y Zetta = 1021 Symbol: Z…

Performance-Based Assessments for AC Circuit Competencies

Worksheets - Modules

(Template)

Digital Lab - Basic 2-Input NAND Gate Circuit

Textbook

In this hands-on electronics experiment, build and test a 2-input digital NAND gate with LED indicators and learn to read pinout diagrams, power a digital IC, connect unused inputs and outputs, and use pulldown resistors.

Simple Series Resonance

Textbook

A similar effect happens in series inductive/capacitive circuits. When…

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

Textbook

Parallel-in/ serial-out shift registers do everything that the…

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

Elementary Circuits

Worksheets - Modules

In the simplest terms you can think of, define what an electrical…

Contributors (15)

Textbook

Contributors to this chapter are listed in chronological order of…

Contributors (5)

Textbook

Contributors to this chapter are listed in chronological order of…

Reflection Attenuator Calculator

Tools

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

Basic identities

Textbook

Additive Identity a + 0 = a Multiplicative Identity 1a = a…

The Quadratic Formula

Textbook

Solving for x in a given polynomial equation “ax2 + bx + c…

Current Divider Circuits and the Current Divider Formula

Textbook

A parallel circuit is often called a current divider for its ability…

Resistors

Worksheets - Modules

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

Op-Amp Practical Considerations

Textbook

Real operational amplifiers have some imperfections compared to an…

Microprocessor Programming

Textbook

The “vocabulary” of instructions which any particular…

Factorials

Textbook

Definition of a Factorial Denoted by the symbol “!” after…

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.

Re-drawing Complex Schematics

Textbook

Typically, complex circuits are not arranged in nice, neat, clean…

Applying Ohm’s Law—Rules and Methods for Circuit Analysis

Textbook

When analyzing complex series and parallel circuits, it is easy to…