All About Circuits

Latest Linear Regulator Education

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Switched Capacitor Circuitry

Switched Capacitor Circuitry

Write an equation describing the precise mathematical relationship…


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The Bipolar Junction Transistor (BJT) as a Switch

The Bipolar Junction Transistor (BJT) as a Switch

Bipolar junction transistors (Also known as BJTs) can be used as an…


Textbook

Series DC Circuits Practice Worksheet with Answers

Series DC Circuits Practice Worksheet with Answers

In this circuit, three resistors receive the same amount of current (4…


Worksheets - Linear Regulator

Bipolar Junction Transistors

Bipolar Junction Transistors

The bipolar junction transistor (BJT) was named because its operation…


Textbook

Passive Integrator and Differentiator Circuits

Passive Integrator and Differentiator Circuits

∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…


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Maximum Power Transfer Theorem

Maximum Power Transfer Theorem

The Maximum Power Transfer Theorem is not so much a means of analysis…


Textbook

The Common-base Amplifier

The Common-base Amplifier

The final transistor amplifier configuration (Figure below) we need to…


Textbook

Batteries

Batteries

If I wanted to build a battery-powered electric drill, would it be…


Worksheets - Linear Regulator

Magnetic Fields and Inductance

Magnetic Fields and Inductance

Whenever electrons flow through a conductor, a magnetic field will…


Textbook

Finite-length Transmission Lines

Finite-length Transmission Lines

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


Textbook

Single-phase Induction Motors

Single-phase Induction Motors

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


Textbook

Intro Lab - Resistor Power Dissipation

Intro Lab - Resistor Power Dissipation

In this hands-on electronics experiment, you will examine the heat generated by resistors and maybe even make one smoke! Also, learn to calculate power dissipation using Joule's law and resistor power ratings.


Textbook

Capacitors and Calculus

Capacitors and Calculus

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


Textbook

High Voltage Ohmmeters

High Voltage Ohmmeters

Most ohmmeters of the design shown in the previous section utilize a…


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Fuses

Fuses

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


Textbook

Oscillator Circuits

Oscillator Circuits

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


Worksheets - Linear Regulator

Advanced Electromagnetism and Electromagnetic Induction

Advanced Electromagnetism and Electromagnetic Induction

∫f(x) dx Calculus alert! Electronic power conversion circuits known…


Worksheets - Linear Regulator

Gas Discharge Tubes

Gas Discharge Tubes

If you’ve ever witnessed a lightning storm, you’ve seen…


Textbook

DC Motor Control Circuits

DC Motor Control Circuits

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


Worksheets - Linear Regulator

Capacitor Charge and Time Constant Calculator

Capacitor Charge and Time Constant Calculator

This calculator computes for the capacitor charge time and energy, given the supply voltage and the added series resistance.


Tools

An Analogy for Ohm’s Law

An Analogy for Ohm’s Law

Ohm’s Law also makes intuitive sense if you apply it to the…


Textbook

Tachogenerators

Tachogenerators

An electromechanical generator is a device capable of producing…


Textbook

Series Circuits and the Application of Ohm’s Law

Series Circuits and the Application of Ohm’s Law

In this introduction to series resistance circuits, we will explain…


Textbook

RMS Voltage Calculator

RMS Voltage Calculator

This calculator calculates the RMS Voltage value from either the peak voltage, the peak-to-peak voltage, or the average voltage.


Tools

Insulated Gate Field-Effect Transistors

Insulated Gate Field-Effect Transistors

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


Worksheets - Linear Regulator

Electric Fields and Capacitance

Electric Fields and Capacitance

Introduction Whenever an electric voltage exists between two separated…


Textbook

Si Lab - JFET Current Regulator

Si Lab - JFET Current Regulator

In this hands-on semiconductor electronics experiment, build a junction field-effect transistor (JFET) current regulator and learn some of the advantages of JFETs over BJTs for current regulation.


Textbook

Factors Affecting Capacitance

Factors Affecting Capacitance

There are three basic factors of capacitor construction determining…


Textbook

Insulated-gate Field-effect Transistors (MOSFET)

Insulated-gate Field-effect Transistors (MOSFET)

The Insulated-Gate Field-Effect Transistor (IGFET), also known as…


Textbook

Static Electricity

Static Electricity

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


Textbook

Voltage-to-Current Signal Conversion

Voltage-to-Current Signal Conversion

In instrumentation circuitry, DC signals are often used as analog…


Textbook

Fuses

Fuses

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


Textbook

Component Modeling

Component Modeling

When plotted on a curve tracer, the characteristic curve for a normal…


Worksheets - Linear Regulator

Power Conversion Circuits

Power Conversion Circuits

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


Worksheets - Linear Regulator

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 - Monostable Multivibrator (One-shot)

555 Lab - Monostable Multivibrator (One-shot)

In this hands-on electronics experiment, you will build a monostable multivibrator using a 555 timer IC and learn about RC time constant charging and how a one-shot timer operates.


Textbook

Ammeter Design

Ammeter Design

What would happen to this meter movement, if connected directly to a…


Worksheets - Linear Regulator

Simple AC Circuit Calculations

Simple AC Circuit Calculations

Over the course of the next few chapters, you will learn that AC…


Textbook

Voltage/Current Converter OpAmp Circuits

Voltage/Current Converter OpAmp Circuits

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


Worksheets - Linear Regulator

Battery Ratings

Battery Ratings

Because batteries create current flow in a circuit by exchanging…


Textbook

Noise Figure Calculator

Noise Figure Calculator

A tool designed to calculate the noise figure of cascaded amplifiers


Tools

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 - Linear Regulator

“Ladder” Diagrams

“Ladder” Diagrams

Ladder diagrams are specialized schematics commonly used to document…


Textbook

Delta and Wye 3-Phase Circuits

Delta and Wye 3-Phase Circuits

Label where each of the following electrical quantities would be found…


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Performance-Based Assessments for Network Analysis Competencies

Performance-Based Assessments for Network Analysis Competencies


Worksheets - Linear Regulator

Magnetism

Magnetism

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


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Practical Considerations - Batteries

Practical Considerations - Batteries

When connecting batteries together to form larger “banks”…


Textbook

EIRP Calculator

EIRP Calculator

A helpful tool for computing the Effective Isotropic Radiated Power (EIRP) of an antenna


Tools

DC Lab - Series Batteries

DC Lab - Series Batteries

In this hands-on electronics experiment, you will connect batteries in series and learn the relationship between the individual battery voltages and the total series voltage.


Textbook

Semiconductor Devices in SPICE

Semiconductor Devices in SPICE

The SPICE (Simulation Program, Integrated Circuit Emphesis)…


Textbook

Valence and Crystal Structure

Valence and Crystal Structure

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


Textbook

T-Pad Attenuator Calculator

T-Pad Attenuator Calculator

This calculator helps you determine the values of the resistors R1 and R2 to be used for a T-pad attenuator.


Tools

Capacitance Calculator

Capacitance Calculator

This calculates the capacitance of a capacitor based on its charge, Q, and its voltage, V, according to the formula, C=Q/V.


Tools

The Unijunction Transistor (UJT)

The Unijunction Transistor (UJT)

Unijunction transistor: Although a unijunction transistor is not a…


Textbook

Digital Lab - Digital Combination Lock

Digital Lab - Digital Combination Lock

In this hands-on electronics experiment, build a digital combination lock with LED output indicators and learn about XOR gate functionality and how to implement NOR logic functionality using diodes.


Textbook

Coefficients of Specific Resistance

Coefficients of Specific Resistance

Specific resistance at 20o C:  Material Element/Alloy ohm-cmil/ft…


Textbook

Emergency Response

Emergency Response

Despite lock-out/tag-out procedures and multiple repetitions of…


Textbook

Latch Circuits

Latch Circuits

What do you think this logic buffer gate will do, with the output…


Worksheets - Linear Regulator

AC Metrology

AC Metrology

In power distribution systems, it is very important to be able to…


Worksheets - Linear Regulator

Differential Transistor Amplifiers

Differential Transistor Amplifiers

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


Worksheets - Linear Regulator