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Bipolar Junction Transistors as Switches

Worksheets - Stepper Motors

Solid-state switching circuits usually keep their constituent…

Torque Conversion Calculator

Tools

A tool designed to convert between units of torque

Bipolar Junction Transistors as Switches

Worksheets - Stepper Motors

Solid-state switching circuits usually keep their constituent…

AC Generator Theory

Worksheets - Stepper Motors

If an electric current is passed through this wire, which direction…

DC Motor Theory

Worksheets - Stepper Motors

If the ends of a wire loop are attached to two half-circular metal…

DC Motor Control Circuits

Worksheets - Stepper Motors

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

Stepper Motors

Worksheets - Stepper Motors

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

CMOS 555 Long Duration Flyback LED Flasher

Textbook

PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…

Stepper Motors

Textbook

A stepper motor is a “digital” version of the electric…

Single-phase Induction Motors

Textbook

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

Reluctance Motor

Textbook

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

Wound Rotor Induction Motors

Textbook

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

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

Inductive Reactance

Worksheets - Stepper Motors

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

Introduction to AC Motors

Textbook

After the introduction of the DC electrical distribution system by…

Other Specialized Motors

Textbook

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

Oscilloscope Trigger Controls

Worksheets - Stepper Motors

A very useful tool for observing rotating objects is a strobe light.…

Design Project: DC Motor

Worksheets - Stepper Motors

The armature windings of your DC motor will have very low resistance.…

Intermediate Electromagnetism and Electromagnetic Induction

Worksheets - Stepper Motors

As an electric current is passed through a coil of wire, it creates a…

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

What is Alternating Current (AC)?

Textbook

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

Wire Loop Inductance Calculator

Tools

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

Binary Count Sequence

Textbook

If we examine a four-bit binary count sequence from 0000 to 1111, a…

Wattmeter Design

Textbook

Power in an electric circuit is the product (multiplication) of…

Delta-Sigma ADC

Textbook

One of the more advanced ADC technologies is the so-called…

Voltage and Current

Textbook

As was previously mentioned, we need more than just a continuous path…

The Exclusive-OR Function: The XOR Gate

Textbook

What Is a XOR Gate? One element conspicuously missing from the set of…

Simple Parallel (Tank Circuit) Resonance

Textbook

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

Kirchhoff’s Laws

Worksheets - Stepper Motors

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

Octal and Hexadecimal Numeration

Textbook

Because binary numeration requires so many bits to represent…

Millman’s Theorem Revisited

Textbook

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

Make Your Own Multimeter

Textbook

PARTS AND MATERIALS Sensitive meter movement (Radio Shack catalog #…

Parallel Batteries

Textbook

PARTS AND MATERIALS Four 6-volt batteries 12-volt light bulb, 25 or…

Successive Approximation ADC

Textbook

One method of addressing the digital ramp ADC’s shortcomings is the…

Resistors

Worksheets - Stepper Motors

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

Microstrip Crosstalk Calculator

Tools

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

Current Mirror BJTs

Textbook

Bipolar Junction Transistor or BJT Current Mirror An often-used…

555 Hysteretic Oscillator

Textbook

Try out our 555 Timer Astable Circuit in our Tools section. PARTS AND…

Design Project: Radio Transmitter

Worksheets - Stepper Motors

Research the FCC (Federal Communication Commission) guidelines on…

Microstrip Trace Width Calculator

Tools

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

Introduction to Solid-state Device Theory

Textbook

This chapter will cover the physics behind the operation of…