All About Circuits

Latest Circular Connectors Education

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Networks and Busses

Networks and Busses

The wires between the tank and the monitoring location is  called…


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Electrical Connections

Electrical Connections

What, exactly, is necessary to establish electrical continuity between…


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Conductors, Insulators, and Electron Flow

Conductors, Insulators, and Electron Flow

The electrons of different types of atoms have different degrees of…


Textbook

Wire Over Plane Inductance Calculator

Wire Over Plane Inductance Calculator

This calculator helps you compute the inductance of a wire-over-plane setup.


Tools

Electromechanical Relay Logic

Electromechanical Relay Logic

In ladder logic symbolism, an electromechanical relay coil is shown as…


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Basic Troubleshooting Strategies

Basic Troubleshooting Strategies

A chandelier has five light bulbs in it, and one of them is not…


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Electrical Conduction in Semiconductors

Electrical Conduction in Semiconductors

In any electrically conductive substance, what are charge carriers?…


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Wires and Connections

Wires and Connections

Older electrical schematics showed connecting wires crossing, while…


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Insulator Breakdown Voltage

Insulator Breakdown Voltage

The atoms in insulating materials have very tightly-bound electrons,…


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Analog and Digital Signals

Analog and Digital Signals

Instrumentation is a field of study and work centering on measurement…


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Three-phase Y and Delta Configurations

Three-phase Y and Delta Configurations

Three-phase Wye(Y) Connection Initially, we explored the idea of…


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.


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Common Antiderivatives

Common Antiderivatives

 


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Rules for Antiderivatives

Rules for Antiderivatives

Constant Rule     Rule of Sums     Rule of…


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Networks and Busses

Networks and Busses

The wires between the tank and the monitoring location is  called…


Textbook

Circuit Wiring

Circuit Wiring

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


Textbook

Electrical Signal Types

Electrical Signal Types

With BogusBus, our signals were very simple and straightforward: each…


Textbook

Copper Wire Ampacity Table

Copper Wire Ampacity Table

Ampacities of copper wire, in free air at 30o C: INSULATION TYPE…


Textbook

Contactors

Contactors

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


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Wire Self Inductance Calculator

Wire Self Inductance Calculator

This calculator will help compute the inductance of a length of wire.


Tools

Electromagnetic Induction

Electromagnetic Induction

While Oersted’s surprising discovery of electromagnetism paved…


Textbook

Conductor Size

Conductor Size

It should be common-sense knowledge that liquids flow through…


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Electron Versus Conventional Flow

Electron Versus Conventional Flow

In this electrical circuit, trace the direction of current through the…


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Ring Counters

Ring Counters

If the output of a shift register is fed back to the input. a ring…


Textbook

Inverting and Noninverting OpAmp Voltage Amplifier Circuits

Inverting and Noninverting OpAmp Voltage Amplifier Circuits

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


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AC Lab - PC Oscilloscope

AC Lab - PC Oscilloscope

In this hands-on AC electronics experiment, use a PC-based oscilloscope program to observe waveforms from a musical keyboard and learn basic oscilloscope operation.


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Asynchronous Counters

Asynchronous Counters

In the previous section, we saw a circuit using one J-K flip-flop that…


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Electrical Noise and Interference

Electrical Noise and Interference

Define what noise means, in the electrical sense of the word. How does…


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Series and Parallel Component Equivalent Values

Series and Parallel Component Equivalent Values

Series and Parallel Resistances     Series and Parallel…


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Binary Overflow

Binary Overflow

One caveat with signed binary numbers is that of overflow, where the…


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Current Divider Circuits

Current Divider Circuits

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


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Fundamentals of Radio Communication

Fundamentals of Radio Communication

What does the acronym RF stand form, in reference to radio-related…


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Magnetic Units of Measurement

Magnetic Units of Measurement

In electric circuits, the three basic quantities are voltage (E or V),…


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Impedance Matching With Transformers

Impedance Matching With Transformers

Suppose you were to take a 3 kW electric heater rated for 240 VAC and…


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Open-Loop OpAmp Circuits

Open-Loop OpAmp Circuits

Determine what the magnitude and polarity of the voltmeter’s…


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DC Lab - Potentiometer Voltage Divider

DC Lab - Potentiometer Voltage Divider

In this hands-on electronics experiment, you will use potentiometers to vary a voltage and learn about voltage divider ratios and potentiometer applications.


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

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

The Unijunction Transistor (UJT)

The Unijunction Transistor (UJT)

Unijunction transistor: Although a unijunction transistor is not a…


Textbook

Broadside Coupled Stripline Impedance Calculator

Broadside Coupled Stripline Impedance Calculator

This calculator helps you compute the characteristic impedance of a broadside coupled stripline.


Tools

Delta-Sigma ADC

Delta-Sigma ADC

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


Textbook

Design Project: Telegraph System

Design Project: Telegraph System

What voltage will you choose to use for each of the station batteries?


Worksheets - Circular Connectors