All About Circuits

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Wound Rotor Induction Motors

Wound Rotor Induction Motors

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


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Parallel Resistor Calculator

Parallel Resistor Calculator

Calculate the equivalent resistance of up to six resistors in parallel with ease while learning how to calculate resistance in parallel and the parallel resistance formula.


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Lorentz Force Calculator

Lorentz Force Calculator

This calculator will determine the combined Lorentz force exerted on a charged particle moving through both an electric field and a magnetic field.


Tools

Stepper Motors

Stepper Motors

Stepper Motor vs Servo Motor A stepper motor is a…


Textbook

What is Alternating Current (AC)?

What is Alternating Current (AC)?

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


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Tesla Polyphase Induction Motors

Tesla Polyphase Induction Motors

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


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Reluctance Motor

Reluctance Motor

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


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AC Instrumentation Transducers

AC Instrumentation Transducers

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


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Other Specialized Motors

Other Specialized Motors

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


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Brushless DC Motor

Brushless DC Motor

Brushless DC motors were developed from conventional brushed DC motors…


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Wheatstone Bridge Calculator

Wheatstone Bridge Calculator

This calculator helps determine the resistance of a variable resistor within a Wheatstone bridge circuit or the differential voltage created across the bridge terminals.


Tools

Selsyn (Synchro) Motors

Selsyn (Synchro) Motors

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


Textbook

Instrumentation Amplifier Gain Calculator

Instrumentation Amplifier Gain Calculator

The instrumentation amplifier calculator will assist in the design and analysis of a conventional instrumentation amplifier circuit by calculating the required resistor values and gain.


Tools

Synchronous Motors

Synchronous Motors

Single Phase Synchronous Motors Single-phase synchronous motors are…


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Flash ADC

Flash ADC

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


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AC Commutator Motors

AC Commutator Motors

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


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Digital Logic With Feedback

Digital Logic With Feedback

With simple gate and combinational logic circuits, there is a definite…


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Contributors (11)

Contributors (11)

Contributors to this chapter are listed in chronological order of…


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Transistors, junction field-effect (JFET)

Transistors, junction field-effect (JFET)

Note that the direction of the arrow at the gate indicates the…


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Op-Amp Practical Considerations

Op-Amp Practical Considerations

Real operational amplifiers have some imperfections compared to an…


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Digital Lab - 3-bit Binary Counter

Digital Lab - 3-bit Binary Counter

In this hands-on electronics experiment, build a 3-bit down counter using J-K flip-flops and learn about asynchronous counter functionality.


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Speed Distance Time Calculator

Speed Distance Time Calculator

This calculator will solve for either distance, time, or speed given two of the three parameters.


Tools

Switches, Process Actuated

Switches, Process Actuated

It is very important to keep in mind that the “normal”…


Textbook

Protective Relays

Protective Relays

A special type of relay is one that monitors the current, voltage,…


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Static Electricity

Static Electricity

It was discovered centuries ago that certain types of materials would…


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Resistance, Reactance, and Impedance

Resistance, Reactance, and Impedance

What will happen to the brightness of the light bulb as the iron core…


Worksheets - IoT

Torque Conversion Calculator

Torque Conversion Calculator

A tool designed to convert between units of torque


Tools

Kirchhoff’s Laws

Kirchhoff’s Laws

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


Worksheets - IoT

PN Junctions

PN Junctions

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


Worksheets - IoT

“Ladder” Diagrams

“Ladder” Diagrams

Ladder diagrams are specialized schematics commonly used to document…


Textbook

Digital Lab - S-R Latch With Enable Input using NAND Gates

Digital Lab - S-R Latch With Enable Input using NAND Gates

In this hands-on electronics experiment, you will build an S-R latch with an enabled input using four NAND gates and learn more about digital circuit functionality.


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Design Project: Signal Generator

Design Project: Signal Generator

Explain the principle of operation for the particular integrated…


Worksheets - IoT

Introduction to Karnaugh Mapping

Introduction to Karnaugh Mapping

Why learn about Karnaugh maps? The Karnaugh map, like Boolean…


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Circuit Wiring

Circuit Wiring

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


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Amplifier Gain

Amplifier Gain

The Voltage Gain Because amplifiers have the ability to increase the…


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Stripline Crosstalk Calculator

Stripline Crosstalk Calculator

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


Tools

Valence and Crystal Structure

Valence and Crystal Structure

Valence: The electrons in the outermost shell, or valence shell, are…


Textbook

Capacitors

Capacitors

Identify some of the different types of capacitors, and their…


Worksheets - IoT

Performance-Based Assessments for Digital Circuit Competencies

Performance-Based Assessments for Digital Circuit Competencies

(Template)


Worksheets - IoT

Decimal versus Binary Numeration

Decimal versus Binary Numeration

Let’s count from zero to twenty using four different kinds of…


Textbook

Parallel Resistor-Inductor Circuits

Parallel Resistor-Inductor Circuits

Let’s take the same components for our series example circuit…


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Analog Lab - 555 Oscillator (Astable Multivibrator)

Analog Lab - 555 Oscillator (Astable Multivibrator)

In this hands-on electronics experiment, build an oscillator using a 555 timer and learn the theory of operation of the 555 timer when configured as an astable multivibrator.


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How to Use Thevenin’s Theorem

How to Use Thevenin’s Theorem

This page will walk you step-by-step through the process of…


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Si Lab - Full-wave Bridge Rectifier

Si Lab - Full-wave Bridge Rectifier

In this hands-on semiconductor electronics experiment, build a full-wave bridge rectifier using silicon diodes and learn some of this circuit's advantages and disadvantages.


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DeMorgan’s Theorems

DeMorgan’s Theorems

A mathematician named DeMorgan developed a pair of important rules…


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Attenuators

Attenuators

What is Attenuators? Attenuators are passive devices. It is…


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Summary of Filters

Summary of Filters

As lengthy as this chapter has been up to this point, it only begins…


Textbook

Series LED Resistor Calculator

Series LED Resistor Calculator

This series LED resistance calculator is perfect for when you have a single LED or a number of the same color of LEDs in series and need to know which resistor you should use.


Tools

Polyphase Power Systems

Polyphase Power Systems

Explain the difference between a balanced polyphase system and an…


Worksheets - IoT

Edge Coupled Trace Inductance Calculator

Edge Coupled Trace Inductance Calculator

This calculator helps you compute for the inductance of an edge coupled trace.


Tools

JFET Biasing Techniques

JFET Biasing Techniques

Using an example, learn about the different bias techniques for junction field effect transistors (JFETs) like the constant voltage bias, self-bias configuration, and voltage divider biasing.


Textbook

Safety Grounding

Safety Grounding

In simple AC power systems, one of the two conductors is typically…


Worksheets - IoT

Inductor Voltage and Current Relationship

Inductor Voltage and Current Relationship

Inductors do not have a stable “resistance” as conductors…


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Active-mode Operation (IGFET)

Active-mode Operation (IGFET)


Textbook

pH Measurement

pH Measurement

A very important measurement in many liquid chemical processes…


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DC Lab - Rheostat Range Limiting

DC Lab - Rheostat Range Limiting

In this hands-on electronics experiment, you will use series and parallel resistor networks to precisely adjust the range and zero point of a rheostat.


Textbook