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Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

AC Instrumentation Transducers

Textbook

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

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

Selsyn (Synchro) Motors

Textbook

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

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

What is Alternating Current (AC)?

Textbook

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

Reluctance Motor

Textbook

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

Tesla Polyphase Induction Motors

Textbook

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

Wound Rotor Induction Motors

Textbook

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

AC Commutator Motors

Textbook

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

Other Specialized Motors

Textbook

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

Microstrip Trace Width Calculator

Tools

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

Transistors, Hybrid

Textbook

In essence, the IGFET controls the base current of a BJT, which…

Rectangle Loop Inductance Calculator

Tools

This calculator helps you compute the inductance of a rectangle loop.

The Instrumentation Amplifier

Textbook

What Is an Instrumentation Amplifier? An instrumentation amplifier…

Single-phase Induction Motors

Textbook

A three-phase motor may be run from a single-phase power source.…

TTL Logic Gates

Worksheets - Security

Counting practice: count from zero to thirty-one in binary, octal, and…

Simple Op-Amp

Textbook

PARTS AND MATERIALS Two 6-volt batteries Four NPN…

Positive Feedback

Textbook

As we’ve seen, negative feedback is an incredibly useful…

Trigonometric Derivatives

Textbook

    RELATED WORKSHEETS: Calculus for Electric Circuits…

Variable Inductor

Textbook

PARTS AND MATERIALS Paper tube, from a toilet-paper roll Bar of iron…

Ohm’s Law

Worksheets - Security

For a given amount of water pressure, which will flow a greater rate…

Practical Considerations - Capacitors

Textbook

Capacitors, like all electrical components, have limitations that must…

Skin Depth Calculator

Tools

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

Voltage, Current, and Resistance

Worksheets - Security

Voltage is commonly defined as “electrical pressure.” The unit of…

Computational Circuits

Textbook

When someone mentions the word “computer,” a digital…

Fundamentals of SPICE programming

Textbook

Programming a circuit simulation with SPICE is much like programming…

Circuit Wiring

Textbook

So far, we’ve been analyzing single-battery, single-resistor…

Simple Series Resonance

Textbook

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

Series DC Circuits Practice Worksheet with Answers

Worksheets - Security

In this circuit, three resistors receive the same amount of current (4…

Design Project: Audio Power Amplifier

Worksheets - Security

Explain how the microphone in your amplifier works. How, exactly, does…