All About Circuits

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Motor Control Circuits

Motor Control Circuits

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


Textbook

Oscilloscope Trigger Controls

Oscilloscope Trigger Controls

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


Worksheets - Drivers

AC Instrumentation Transducers

AC Instrumentation Transducers

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


Textbook

AC Motor Control Circuits

AC Motor Control Circuits

Perhaps the most challenging aspect of interpreting ladder diagrams,…


Worksheets - Drivers

Single-phase Induction Motors

Single-phase Induction Motors

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


Textbook

AC Generator Theory

AC Generator Theory

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


Worksheets - Drivers

DC Motor Control Circuits

DC Motor Control Circuits

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


Worksheets - Drivers

Stepper Motors

Stepper Motors

Stepper Motor vs Servo Motor A stepper motor is a…


Textbook

Pulse Width Modulation

Pulse Width Modulation

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


Textbook

Synchronous Motors

Synchronous Motors

Single Phase Synchronous Motors Single-phase synchronous motors are…


Textbook

Tesla Polyphase Induction Motors

Tesla Polyphase Induction Motors

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


Textbook

Inductive Reactance

Inductive Reactance

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


Worksheets - Drivers

What is Alternating Current (AC)?

What is Alternating Current (AC)?

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


Textbook

Bipolar Junction Transistors as Switches

Bipolar Junction Transistors as Switches

Solid-state switching circuits usually keep their constituent…


Worksheets - Drivers

Design Project: Stepper Motor Driver

Design Project: Stepper Motor Driver

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


Worksheets - Drivers

Servo Motor Systems

Servo Motor Systems

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


Worksheets - Drivers

Intermediate Electromagnetism and Electromagnetic Induction

Intermediate Electromagnetism and Electromagnetic Induction

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


Worksheets - Drivers

Single-phase Induction Motors

Single-phase Induction Motors

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


Textbook

Flyback Switch Mode Regulator Calculator

Flyback Switch Mode Regulator Calculator

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


Tools

555 Lab - LED Flasher with Inductive Flyback

555 Lab - LED Flasher with Inductive Flyback

In this hands-on electronics experiment, build a multiple LED flasher and learn how to use inductive flyback to generate a voltage pulse that is greater than the supply voltage.


Textbook

AC Lab - Automotive Alternator as AC Generator

AC Lab - Automotive Alternator as AC Generator

In this hands-on AC electronics experiment, you will use an automotive alternator to generate three-phase AC voltage and learn how alternators can function as both generators and motors.


Textbook

AC Instrumentation Transducers

AC Instrumentation Transducers

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


Textbook

AC Lab - Induction Motor

AC Lab - Induction Motor

In this hands-on AC electronics experiment, build a simple AC permanent capacitor split-phase induction motor and learn the principles of AC induction motor function.


Textbook

Motor Control Circuits

Motor Control Circuits

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


Textbook

Tesla Polyphase Induction Motors

Tesla Polyphase Induction Motors

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


Textbook

AC Generator Theory

AC Generator Theory

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


Worksheets - Drivers

Synchronous Motors

Synchronous Motors

Single Phase Synchronous Motors Single-phase synchronous motors are…


Textbook

Rectifier Circuits

Rectifier Circuits

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


Worksheets - Drivers

Oscilloscope Trigger Controls

Oscilloscope Trigger Controls

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


Worksheets - Drivers

Pulse Width Modulation

Pulse Width Modulation

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


Textbook

What is Alternating Current (AC)?

What is Alternating Current (AC)?

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


Textbook

Stepper Motors

Stepper Motors

Stepper Motor vs Servo Motor A stepper motor is a…


Textbook

AC Lab - Large Induction Motor

AC Lab - Large Induction Motor

In this hands-on AC electronics experiment, build a large AC permanent capacitor split-phase induction motor and learn the principles of AC induction motor function.


Textbook

Microcontroller Principles

Microcontroller Principles

Read the following quotation, and then research the term…


Worksheets - Drivers

Reluctance Motor

Reluctance Motor

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


Textbook

Brushless DC Motor

Brushless DC Motor

Brushless DC motors were developed from conventional brushed DC motors…


Textbook

Active Versus Passive Devices

Active Versus Passive Devices

Passive Devices Components incapable of controlling current by means…


Textbook

Signal Modulation

Signal Modulation

A modern method of electrical power control involves inserting a…


Worksheets - Drivers

Flash ADC

Flash ADC

Also called the parallel A/D converter, this circuit is the simplest…


Textbook

Binary Count Sequence

Binary Count Sequence

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


Textbook

Noise Figure and Noise Temperature Calculator

Noise Figure and Noise Temperature Calculator

This calculator computes the noise figure and noise temperature in a system


Tools

Capacitive Reactance

Capacitive Reactance

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


Worksheets - Drivers

“Long’’ and “Short’’ Transmission Lines

“Long’’ and “Short’’ Transmission Lines

In DC and low-frequency AC circuits, the characteristic impedance of…


Textbook

Binary Math

Binary Math

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


Worksheets - Drivers

Polarity of voltage drops

Polarity of voltage drops

When using conventional current flow, we can trace the direction of…


Textbook

Active-mode Operation (IGFET)

Active-mode Operation (IGFET)


Textbook

Magnetism

Magnetism

A permanent magnet is a device that retains a magnetic field without…


Worksheets - Drivers

Introduction to Mixed-Frequency AC Signals

Introduction to Mixed-Frequency AC Signals

In our study of AC circuits thus far, we’ve explored circuits…


Textbook

Series-Parallel Combination AC Circuits

Series-Parallel Combination AC Circuits

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


Worksheets - Drivers

Thyristors

Thyristors

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


Worksheets - Drivers

PN Junctions

PN Junctions

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


Worksheets - Drivers

Basic Logic Gate Troubleshooting

Basic Logic Gate Troubleshooting

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


Worksheets - Drivers

AC Lab - Noise Cancellation

AC Lab - Noise Cancellation

In this hands-on AC electronics experiment, you will use an AC voltage source connected to speakers to learn about sound waves and the foundational principle used in noise cancelling headphones.


Textbook

Finite State Machines

Finite State Machines

Up to now, every circuit that was presented was a combinatorial…


Textbook

Digital-to-Analog Conversion

Digital-to-Analog Conversion

If a pulse-width modulated (PWM) signal is sent to a passive…


Worksheets - Drivers

Meter Check of a Transistor (BJT)

Meter Check of a Transistor (BJT)

Bipolar transistors are constructed of a three-layer semiconductor…


Textbook