Categories

Oscilloscope Trigger Controls

Worksheets - Drivers

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

Servo Motor Systems

Worksheets - Drivers

Explain the operation of this “H-bridge” motor control circuit: At…

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

Motor Control Circuits

Textbook

The interlock contacts installed in the previous section’s motor…

DC Motor Control Circuits

Worksheets - Drivers

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

Pulse Width Modulation

Textbook

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

Inductive Reactance

Worksheets - Drivers

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

AC Instrumentation Transducers

Textbook

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

What is Alternating Current (AC)?

Textbook

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

Design Project: Stepper Motor Driver

Worksheets - Drivers

At first it may seem pointless to have the four buffer gates following…

AC Generator Theory

Worksheets - Drivers

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

Single-phase Induction Motors

Textbook

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

Tesla Polyphase Induction Motors

Textbook

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

Bipolar Junction Transistors as Switches

Worksheets - Drivers

Solid-state switching circuits usually keep their constituent…

AC Motor Control Circuits

Worksheets - Drivers

Perhaps the most challenging aspect of interpreting ladder diagrams,…

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

Design Project: Stepper Motor Driver

Worksheets - Drivers

At first it may seem pointless to have the four buffer gates following…

Design Project: DC Motor

Worksheets - Drivers

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

DC Motor Control Circuits

Worksheets - Drivers

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

Flyback Switch Mode Regulator Calculator

Tools

A calculator for computing several parameters needed in the design of a flyback switch mode regulator

Selsyn (Synchro) Motors

Textbook

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

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

Wound Rotor Induction Motors

Textbook

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

Motor Control Circuits

Textbook

The interlock contacts installed in the previous section’s motor…

Single-phase Induction Motors

Textbook

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

AC Motor Theory

Worksheets - Drivers

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

AC Instrumentation Transducers

Textbook

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

DC Motor Theory

Worksheets - Drivers

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

Other Specialized Motors

Textbook

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

Contactors

Textbook

All About Contactors When a relay is used to switch a large amount of…

Vacuum Tube Audio Amplifier

Textbook

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

Boolean Algebra

Worksheets - Drivers

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

Torque Conversion Calculator

Tools

A tool designed to convert between units of torque

Induction Motor, Large

Textbook

PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…

Introduction to AC Motors

Textbook

After the introduction of the DC electrical distribution system by…

Rectifier Circuits

Worksheets - Drivers

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

555 Audio Oscillator

Textbook

PARTS AND MATERIALS Two 6 volt batteries One capacitor, 0.1 µF,…

Branch Current Method

Textbook

The first and most straightforward network analysis technique is…

Vectors and AC Waveforms

Textbook

OK, so how exactly can we represent AC quantities of voltage or…

Characteristic Impedance

Worksheets - Drivers

Note the “50 ohm” rating printed on the jacket of the cable. What…

Clipper Circuits

Textbook

A circuit which removes the peak of a waveform is known as a clipper.…

What Are Electric Circuits?

Textbook

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

JFET Amplifiers

Worksheets - Drivers

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

Waveguide Calculator (Rectangular)

Tools

This tool calculates the cutoff frequency of a rectangular waveguide

Standing Waves and Resonance

Textbook

Whenever there is a mismatch of impedance between transmission line…

Millman’s Theorem

Textbook

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

Practical considerations - Digital Communication

Textbook

A principal consideration for industrial control networks, where the…

Thevenin-Norton Equivalencies

Textbook

Since Thevenin’s and Norton’s Theorems are two equally…

Coax Inductance Calculator

Tools

A calculator for computing the inductance of a coaxial cable.

Thevenin’s, Norton’s, and Maximum Power Transfer Theorems

Worksheets - Drivers

Suppose a 12 volt lead-acid battery has an internal resistance of 20…

Introduction to Boolean Algebra

Textbook

Mathematical rules are based on the defining limits we place on the…

Resonant Filters

Textbook

So far, the filter designs we’ve concentrated on have employed…

Parallel Batteries

Textbook

PARTS AND MATERIALS Four 6-volt batteries 12-volt light bulb, 25 or 50…

Series and Parallel Capacitors

Textbook

When capacitors are connected in series, the total capacitance is…

Full-wave Center-tap Rectifier

Textbook

PARTS AND MATERIALS Low-voltage AC power supply (6-volt output) Two…

Basic Operational Amplifiers

Worksheets - Drivers

Determine the output voltage polarity of this op-amp (with reference…