Categories

Step-up, Step-down, and Isolation Transformers

Worksheets - Motor Control

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

Reluctance Motor

Textbook

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

AC Instrumentation Transducers

Textbook

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

AC Motor Control Circuits

Worksheets - Motor Control

Perhaps the most challenging aspect of interpreting ladder diagrams,…

Vacuum Tube Audio Amplifier

Textbook

PARTS AND MATERIALS One 12AX7 dual triode vacuum tube Two power…

DC Motor Theory

Worksheets - Motor Control

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

Linear Computational Circuitry

Worksheets - Motor Control

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

Pulse Width Modulation

Textbook

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

Stepper Motors

Worksheets - Motor Control

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

Inductive Reactance

Worksheets - Motor Control

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

Selsyn (Synchro) Motors

Textbook

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

Single-phase Induction Motors

Textbook

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

Boolean Algebra

Worksheets - Motor Control

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

Stepper Motor Calculator

Tools

A tool designed to calculate the maximum speed, minimum time per step and maximum power of a stepper motor

Bipolar Junction Transistors as Switches

Worksheets - Motor Control

Solid-state switching circuits usually keep their constituent…

Polyphase Motor Design

Textbook

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

Tesla Polyphase Induction Motors

Textbook

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

Intermediate Electromagnetism and Electromagnetic Induction

Worksheets - Motor Control

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

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

DC Motor Control Circuits

Worksheets - Motor Control

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

Digital Codes

Worksheets - Motor Control

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

Copper Wire Gauge Table

Textbook

Solid Cooper Wire Table Size Diameter (inches) Cross-sectional area…

Current Mirror BJTs

Textbook

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

Series DC Circuits Practice Worksheet with Answers

Worksheets - Motor Control

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

Transistor Ratings and Packages (IGFET)

Textbook

Boolean Arithmetic

Textbook

Let us begin our exploration of Boolean algebra by adding numbers…

Miscellaneous Diode Applications

Worksheets - Motor Control

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

Lock-out / Tag-out

Worksheets - Motor Control

In this motor control circuit, how would you ensure that there is no…

DC Bridge Circuits

Worksheets - Motor Control

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

Inverting Op-Amp Resistor Calculator

Tools

This calculator determines the bias and feedback of resistors for an inverting op-amp.

Series Batteries

Textbook

PARTS AND MATERIALS Two 6-volt batteries One 9-volt battery  …

Inductance

Worksheets - Motor Control

∫f(x) dx Calculus alert! One of the fundamental principles of…

Introduction to Junction Field-effect Transistors (JFET)

Textbook

A transistor is a linear semiconductor device that controls current…

Ammeter Design

Worksheets - Motor Control

What would happen to this meter movement, if connected directly to a…

Ohm’s Law Practice Worksheet With Answers

Worksheets - Motor Control

Define the following terms: energy, work, and power.

Other Waveshapes

Textbook

As strange as it may seem, any repeating, non-sinusoidal waveform is…

Voltage and Current Calculations

Textbook

There’s a sure way to calculate any of the values in a reactive…

Signal Modulation

Worksheets - Motor Control

A modern method of electrical power control involves inserting a…

Basic AC-DC Power Supplies

Worksheets - Motor Control

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

DC Branch Current Analysis

Worksheets - Motor Control

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

Vol I. Credits

Textbook

All entries arranged in alphabetical order of surname. Major…

Decibels

Textbook

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

Passive Filter Circuits

Worksheets - Motor Control

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

Branch Current Method

Textbook

The first and most straightforward network analysis technique is…

Junction Diodes

Textbook

There was some historic crude, but usable were some historic crude,…

The S-R Latch

Textbook

A bistable multivibrator has two stable states, as indicated by the…

Creating Custom Calibration Resistances

Textbook

Often in the course of designing and building electrical meter…

Karnaugh Mapping

Worksheets - Motor Control

Identify each of these logic gates by name, and complete their…

Important Constants

Textbook

Euler’s Number Euler’s constant is an important value for…

LED Resistor Calculator

Tools

An LED resistance calculator is perfect for when you have a single LED and need to know which resistor you should use.

Shift Registers: Serial-in, Serial-out

Textbook

Serial-in, serial-out shift registers delay data by one clock time for…

AC Motor Theory

Worksheets - Motor Control

Electromechanical watt-hour meters use an aluminum disk that is spun…

Factorials

Textbook

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

Introduction to Bipolar Junction Transistors (BJT)

Textbook

The invention of the bipolar transistor in 1948 ushered in a…

High Voltage Ohmmeters

Textbook

Most ohmmeters of the design shown in the previous section utilize a…

Basic Gate Function

Textbook

Parts and Materials 4011 quad NAND gate (Radio Shack catalog #…

L-Match Impedance Matching Circuits

Tools

This calculator is designed to compute for the parameters needed to design a L-Match Impedance Circuit

Build a Transformer

Textbook

PARTS AND MATERIALS Steel flat bar, 4 pieces Miscellaneous bolts,…

Component Modeling

Worksheets - Motor Control

When plotted on a curve tracer, the characteristic curve for a normal…

A 50-Ohm Cable?

Textbook

Early in my explorations of electricity, I came across a length of…