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Selsyn (Synchro) Motors

Textbook

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

What is Alternating Current (AC)?

Textbook

Most students of electricity begin their study with what is known as…

Instrumentation Amplifier Gain Calculator

Tools

The instrumentation amplifier calculator will assist in the design and analysis of a conventional instrumentation amplifier circuit by calculating the required resistor values and gain.

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

Wheatstone Bridge Calculator

Tools

This calculator helps determine the resistance of a variable resistor within a Wheatstone bridge circuit or the differential voltage created across the bridge terminals.

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

AC Commutator Motors

Textbook

Charles Proteus Steinmetz’s first job after arriving in America…

Tesla Polyphase Induction Motors

Textbook

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

Lorentz Force Calculator

Tools

This calculator will determine the combined Lorentz force exerted on a charged particle moving through both an electric field and a magnetic field.

Parallel Resistor Calculator

Tools

Calculate the equivalent resistance of up to six resistors in parallel with ease while learning how to calculate resistance in parallel and the parallel resistance formula.

AC Instrumentation Transducers

Textbook

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

Wound Rotor Induction Motors

Textbook

A wound rotor induction motor has a stator like a squirrel cage…

Reluctance Motor

Textbook

The variable reluctance motor is based on the principle that an…

Other Specialized Motors

Textbook

Shaded Pole Induction Motor An easy way to provide starting torque to…

Intro Lab - How to Use a Voltmeter to Measure Voltage

Textbook

In this hands-on introduction to electronics, you will experiment with a multimeter and learn how to measure voltage using the voltmeter function.

Microstrip Trace Width Calculator

Tools

This tool is designed to compute for the trace width of a microstrip

Design Project: Event Counter

Worksheets - IoT

If your event sensing switch is mechanical in nature, you will likely…

Frequency and Phase Measurement

Textbook

An important electrical quantity with no equivalent in DC circuits is…

BJT Amplifier Troubleshooting

Worksheets - IoT

As an instructor of electronics, I am called upon frequently to help…

The Common-gate Amplifier (JFET)

Textbook

RELATED WORKSHEETS: JFET Amplifiers Worksheet

Δ-Y and Y-Δ Conversions

Textbook

In many circuit applications, we encounter components connected…

AC Capacitor Circuits

Textbook

Capacitors Vs. Resistors Capacitors do not behave the same as…

The Common-collector Amplifier

Textbook

Our next transistor configuration to study is a bit simpler for gain…

Synchronous Condenser

Textbook

Synchronous motors load the power line with a leading power factor.…

Millman’s Theorem Revisited

Textbook

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

Measurements of AC Magnitude

Textbook

So far we know that AC voltage alternates in polarity and AC current…

Kirchhoff’s Laws

Worksheets - IoT

Many electronic circuits use what is called a split or a dual power…

Switches

Worksheets - IoT

What is the purpose of the switch shown in this schematic diagram?

Logarithms for Analog Circuits

Worksheets - IoT

The concept of a mathematical power is familiar to most students of…

Electron Tubes

Textbook

Cathode:   This is the electrode that is heated and emits the…

Simple Parallel (Tank Circuit) Resonance

Textbook

Resonance in a Tank Circuit A condition of resonance will be…

Inductor Transient Response

Textbook

Inductors have the exact opposite characteristics of capacitors.…

Nonlinear OpAmp Circuits

Worksheets - IoT

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

Class B BJT Amplifiers

Worksheets - IoT

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

Harmonics in Polyphase Power Systems

Textbook

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

Millman’s Theorem

Textbook

In Millman’s Theorem, the circuit is re-drawn as a parallel…

Current Signal Systems

Textbook

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

Contributors (11)

Textbook

Contributors to this chapter are listed in chronological order of…

Dielectric Strengths for Insulators

Textbook

Dielectric strength in kilovolts per inch (kV/in): Material*…

Contributors (15)

Textbook

Contributors to this chapter are listed in chronological order of…

Regulated Power Sources

Worksheets - IoT

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

Step-up, Step-down, and Isolation Transformers

Worksheets - IoT

Calculate the voltage output by the secondary winding of a transformer…

Valence and Crystal Structure

Textbook

Valence: The electrons in the outermost shell, or valence shell, are…

Depletion-type IGFETs

Textbook

Insulated gate field-effect transistors are unipolar devices just like…

Intro Lab - Build an Electromagnet

Textbook

In this hands-on electronics experiment, you will build an electromagnet and learn about electromagnetism including the relationship of magnetic polarity to current flow.

Design Project: Voltmeter

Worksheets - IoT

The most important component of your voltmeter will be the…

Microprocessors

Textbook

Early computer science pioneers such as Alan Turing and John Von…

Coil Inductance Calculator

Tools

This calculator computes the inductance of a wire coil.

Other Specialized Motors

Textbook

Shaded Pole Induction Motor An easy way to provide starting torque to…

555 Lab - Schmitt Trigger

Textbook

In this hands-on electronics experiment, build a Schmitt trigger using a 555 timer and learn about hysteresis and the inner workings of the extremely versatile 555 timer IC.

AC Voltmeters and Ammeters

Textbook

AC electromechanical meter movements come in two basic arrangements:…

Inductor Sizing Equation

Textbook

The Inductance Formula     Wheeler’s formulas for…

Time Constant Calculations

Worksheets - IoT

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

What Are Electric Circuits?

Textbook

You might have been wondering how charges can continuously flow in a…