Latest Spectral Analysis Education

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Harmonics in Polyphase Power Systems

Textbook

In the chapter on mixed-frequency signals, we explored the concept of…

Mixed-Frequency Signals

Worksheets - Spectral Analysis

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

Square Wave Signals

Textbook

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

Biasing Techniques (BJT)

Textbook

In the common-emitter section of this chapter, we saw a SPICE analysis…

Passive Filter Circuits

Worksheets - Spectral Analysis

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

The R/2R DAC (Digital-to-Analog Converter)

Textbook

The R/2R DAC circuit is an alternative to the binary-weighted-input…

Introduction to Digital Communication

Textbook

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

The “Operational” Amplifier

Textbook

Long before the advent of digital electronic technology, computers…

Polyphase Motor Design

Textbook

AC Motors Perhaps the most important benefit of polyphase AC power…

Current Signal Systems

Textbook

Current Source It is possible through the use of electronic amplifiers…

Oscillator Circuits

Worksheets - Spectral Analysis

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

Temperature Coefficient of Resistance

Textbook

You might have noticed on the table for specific resistances that all…

Temperature Coefficient of Resistance

Worksheets - Spectral Analysis

It is a common phenomenon for the electrical resistance of a substance…

The R/2nR DAC: Binary-Weighted-Input Digital-to-Analog Converter

Textbook

What Is a R/2nR DAC Circuit? The R/2nR DAC circuit, otherwise known as…

Tesla Polyphase Induction Motors

Textbook

Most AC motors are induction motors. Induction motors are favored due…

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

Worksheets - Spectral Analysis

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

Calculus for Electric Circuits

Worksheets - Spectral Analysis

∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…

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.

Square Wave Signals

Textbook

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

Signal Modulation

Worksheets - Spectral Analysis

A modern method of electrical power control involves inserting a…

Flash ADC

Textbook

Also called the parallel A/D converter, this circuit is the simplest…

Linear Computational Circuitry

Worksheets - Spectral Analysis

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

Polyphase Power Systems

Worksheets - Spectral Analysis

Explain the difference between a balanced polyphase system and an…

Tracking ADC

Textbook

A third variation on the counter-DAC-based converter theme is, in my…

Introduction to Mixed-Frequency AC Signals

Textbook

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

Safe Meter Usage

Textbook

Using an electrical meter safely and efficiently is perhaps the most…

Performance-Based Assessments for Digital Circuit Competencies

Worksheets - Spectral Analysis

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AC phase

Worksheets - Spectral Analysis

If we were to express the series-connected DC voltages as phasors…

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

AC Lab - Frequency Analysis

Textbook

In this hands-on AC electronics experiment, use the frequency spectrum display from an oscilloscope program to observe waveforms from a musical keyboard and learn about spectral analysis.

Non-Inverting Op-Amp Resistor Calculator

Tools

This calculator determines the bias and feedback of resistors for a non-inverting Op-Amp

Design Project: Radio Transmitter

Worksheets - Spectral Analysis

Research the FCC (Federal Communication Commission) guidelines on…

AC Lab - Musical Keyboard as a Signal Generator

Textbook

In this hands-on AC electronics experiment, an electronic musical keyboard will be used as a variable-frequency AC signal generator to learn the difference between AC amplitude and frequency.

Band-pass Filters

Textbook

How to Create Band-pass Filter There are applications where a…

Right Triangle Trigonometry

Textbook

  A right triangle is defined as having one angle precisely…

Asynchronous Flip-Flop Inputs

Textbook

The normal data inputs to a flip flop (D, S and R, or J and K) are…

Ohm’s Law - How Voltage, Current, and Resistance Relate

Textbook

The first, and perhaps most important, relationship between current,…

Three-phase Power Systems

Textbook

What is Split-Phase Power Systems? Split-phase power systems achieve…

Vol IV. Credits

Textbook

All entries arranged in alphabetical order of surname. Major…

Design Project: Dual-output AC-DC Power Supply

Worksheets - Spectral Analysis

Safety is very important when designing and/or building a device…

Special-purpose Diodes

Textbook

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

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.

Diode Switching Circuits

Textbook

Diodes can perform switching and digital logic operations. Forward and…

Introduction to Electron Tubes

Textbook

An often neglected area of study in modern electronics is that of…

Si Lab - Light Sensor (LED Photodetector)

Textbook

In this hands-on semiconductor electronics experiment, use an LED as a light-sensitive photodetector and learn how to use a bipolar transistor in a common-emitter amplifier configuration.