All About Circuits

Latest Linear Regulator Education

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Battery Ratings

Battery Ratings

Because batteries create current flow in a circuit by exchanging…


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Si Lab - BJT Common-collector Voltage Follower

Si Lab - BJT Common-collector Voltage Follower

In this hands-on semiconductor electronics experiment, build a voltage follower amplifier using a bipolar junction transistor (BJT) in common-collector configuration and learn about circuit ground and impedance transformations.


Textbook

Basic Electricity Worksheet

Basic Electricity Worksheet

What is the purpose of the switch shown in this schematic diagram?


Worksheets - Linear Regulator

Power in Resistive and Reactive AC circuits

Power in Resistive and Reactive AC circuits

Consider a circuit for a single-phase AC power system, where a 120…


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What Are Zener Diodes?

What Are Zener Diodes?

What Is a Zener Diode? A Zener diode is a special type of rectifying…


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Resistors

Resistors

Because the relationship between voltage, current, and resistance in…


Textbook

Building Resistor Circuits Using Breadboards, Perfboards, and Terminal Strips

Building Resistor Circuits Using Breadboards, Perfboards, and Terminal Strips

Over the course of learning about electricity, you will want to…


Textbook

Voltage Divider Circuits

Voltage Divider Circuits

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


Worksheets - Linear Regulator

Kirchhoff’s Laws

Kirchhoff’s Laws

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


Worksheets - Linear Regulator

Wound Rotor Induction Motors

Wound Rotor Induction Motors

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


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Power Conversion Circuits

Power Conversion Circuits

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


Worksheets - Linear Regulator

Oscillator Circuits

Oscillator Circuits

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


Worksheets - Linear Regulator

Ammeter Design

Ammeter Design

Ammeters Measure Electrical Current A meter designed to measure…


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Finite-length Transmission Lines

Finite-length Transmission Lines

A transmission line of infinite length is an interesting abstraction,…


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Fuses

Fuses

Normally, the ampacity rating of a conductor is a circuit design…


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Superposition Theorem

Superposition Theorem

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


Worksheets - Linear Regulator

The Silicon-Controlled Rectifier (SCR)

The Silicon-Controlled Rectifier (SCR)

Shockley Diodes and Silicon Controlled Rectifiers (SCRs) Shockley…


Textbook

Ohm’s Law Practice Worksheet With Answers

Ohm’s Law Practice Worksheet With Answers

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


Worksheets - Linear Regulator

Negative Feedback OpAmp Circuits

Negative Feedback OpAmp Circuits

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


Worksheets - Linear Regulator

Other Diode Technologies

Other Diode Technologies

Varicap or varactor diodes A variable capacitance diode is known as a…


Textbook

Nonlinear OpAmp Circuits

Nonlinear OpAmp Circuits

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


Worksheets - Linear Regulator

Phase Rotation

Phase Rotation

Three-Phase Alternator Let’s take the three-phase alternator…


Textbook

Lock-out / Tag-out

Lock-out / Tag-out

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


Worksheets - Linear Regulator

Performance-Based Assessments for Basic Electricity Competencies

Performance-Based Assessments for Basic Electricity Competencies

(Template)


Worksheets - Linear Regulator

What is Alternating Current (AC)?

What is Alternating Current (AC)?

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


Textbook

Capacitor Impedance Calculator

Capacitor Impedance Calculator

This tool calculates a capacitor's reactance for a given capacitance value and signal frequency.


Tools

AC Phase

AC Phase

Things start to get complicated when we need to relate two or more AC…


Textbook

Specific Resistance of Conductors

Specific Resistance of Conductors

Given two lengths of metal wire, which one will have the least…


Worksheets - Linear Regulator

What is a Filter?

What is a Filter?

It is sometimes desirable to have circuits capable of selectively…


Textbook

AC Network Analysis

AC Network Analysis

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


Worksheets - Linear Regulator

Digital Lab - Basic 2-Input NAND Gate Circuit

Digital Lab - Basic 2-Input NAND Gate Circuit

In this hands-on electronics experiment, build and test a 2-input digital NAND gate with LED indicators and learn to read pinout diagrams, power a digital IC, connect unused inputs and outputs, and use pulldown resistors.


Textbook

Decibel Measurements

Decibel Measurements

During the early development of telephone technology, a unit was…


Worksheets - Linear Regulator

Kirchhoff’s Current Law (KCL)

Kirchhoff’s Current Law (KCL)

What Is Kirchhoff’s Current Law? Kirchhoff’s Current Law,…


Textbook

DC Lab - Voltage Divider

DC Lab - Voltage Divider

In this hands-on electronics experiment, you will build a resistive voltage divider and observe how Ohm's law and Kirchhoff's voltage law (KVL) function in real circuits using a voltmeter and an ammeter.


Textbook

Protective Relays

Protective Relays

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


Textbook

Electromechanical Relay Logic

Electromechanical Relay Logic

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


Worksheets - Linear Regulator

DC Motor Theory

DC Motor Theory

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


Worksheets - Linear Regulator

CMOS Gate Circuitry

CMOS Gate Circuitry

Up until this point, our analysis of transistor logic circuits has…


Textbook

Ohm’s Law

Ohm’s Law

For a given amount of water pressure, which will flow a greater rate…


Worksheets - Linear Regulator

Voltage Signal Systems

Voltage Signal Systems

The use of variable voltage for instrumentation signals seems a rather…


Textbook

Negative Feedback

Negative Feedback

If we connect the output of an op-amp to its inverting input and apply…


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Systems of Numeration

Systems of Numeration

Roman Numerals The Romans devised a system that was a substantial…


Textbook

Intro Lab - Build an Electromagnet

Intro Lab - Build an Electromagnet

In this hands-on electronics experiment, you will build an electromagnet and learn about electromagnetism including the relationship of magnetic polarity to current flow.


Textbook

Digital-to-Analog Conversion

Digital-to-Analog Conversion

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


Worksheets - Linear Regulator

The Triode

The Triode

De Forest’s Audion tube came to be known as the triode tube…


Textbook

Miscellaneous Diode Applications

Miscellaneous Diode Applications

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


Worksheets - Linear Regulator

Inductance, Reactance, and Admittance Calculator

Inductance, Reactance, and Admittance Calculator

This calculator gives the reactance and admittance of an inductor or the inductance given the reactance of an inductor


Tools

High-pass Filters

High-pass Filters

A high-pass filter’s task is just the opposite of a low-pass…


Textbook

Sequences

Sequences

Arithmetic Sequences An arithmetic sequence is a series of numbers…


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Band-stop Filters

Band-stop Filters

How to Create a Band-stop Filter? Also called band-elimination,…


Textbook

Design Project: Sensitive Microphone Amplifier

Design Project: Sensitive Microphone Amplifier

Identify which direction each potentiometer wiper must move in this…


Worksheets - Linear Regulator

Kirchhoff’s Voltage Law (KVL)

Kirchhoff’s Voltage Law (KVL)

What is Kirchhoff’s Voltage Law (KVL)? The principle known as…


Textbook

Oscillator Circuits

Oscillator Circuits

Phase shift oscillator. R1C1, R2C2, and R3C3 each provide 60° of…


Textbook

AC Power

AC Power

If a sinusoidal voltage is applied to an impedance with a phase angle…


Worksheets - Linear Regulator

Protective Relays

Protective Relays

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


Textbook

Historical, Nonmechanical Memory Technologies

Historical, Nonmechanical Memory Technologies

Perhaps the most ingenious technique was that of the delay line. A…


Textbook

Timer Circuits

Timer Circuits

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


Worksheets - Linear Regulator

Design Project: AC-DC Power Supply

Design Project: AC-DC Power Supply

Safety is very important when designing and/or building a device…


Worksheets - Linear Regulator

Simple Circuits

Simple Circuits

Shown here is the schematic symbol for a resistor: What is the purpose…


Worksheets - Linear Regulator

Square Root, Cube Root, and Nth Root Calculator

Square Root, Cube Root, and Nth Root Calculator

This calculator will determine the square root, cube root, or nth root of a given number, x.


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