All About Circuits

Latest Linear Regulator Education

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Oscillator Circuits

Oscillator Circuits

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


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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…


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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.


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Special Transformers and Applications

Special Transformers and Applications

Impedance Matching Because transformers can step voltage and current…


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Other Diode Technologies

Other Diode Technologies

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


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Calculating Electric Power

Calculating Electric Power

Learn the Power Formula We’ve seen the formula for determining…


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Kirchhoff’s Laws

Kirchhoff’s Laws

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


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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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Tesla Polyphase Induction Motors

Tesla Polyphase Induction Motors

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


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Active Loads in Amplifier Circuits

Active Loads in Amplifier Circuits

We know that the current in a series circuit may be calculated with…


Worksheets - Linear Regulator

Optoelectronic Devices

Optoelectronic Devices

In this circuit, the electric motor is supposed to turn on whenever…


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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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Batteries

Batteries

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


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SPICE Models

SPICE Models

The SPICE circuit simulation program provides for modeling diodes in…


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The P-N Junction

The P-N Junction

If a block of P-type semiconductor is placed in contact with a block…


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Battery Ratings

Battery Ratings

Because batteries create current flow in a circuit by exchanging…


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AC Network Analysis

AC Network Analysis

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


Worksheets - Linear Regulator

Current Signal Systems

Current Signal Systems

Current Source It is possible through the use of electronic amplifiers…


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Design Project: Intercom System

Design Project: Intercom System

Design a passive circuit that will create a "split” ( V/-V) power…


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

Capacitors

Capacitors

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


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Power Density Calculator

Power Density Calculator

A tool designed to calculate the power density of an antenna


Tools

Superposition Theorem

Superposition Theorem

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


Worksheets - Linear Regulator

Node Voltage Method

Node Voltage Method

The node voltage method of DC network analysis solves for unknown…


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Counters

Counters

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


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Special-purpose Batteries

Special-purpose Batteries

Mercury Standard Cell Back in the early days of electrical measurement…


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AC Generator Theory

AC Generator Theory

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


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Kirchhoff’s Current Law (KCL)

Kirchhoff’s Current Law (KCL)

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


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Class A BJT Amplifiers

Class A BJT Amplifiers

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


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Polyphase Power Systems

Polyphase Power Systems

Explain the difference between a balanced polyphase system and an…


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Logic Signal Voltage Levels

Logic Signal Voltage Levels

Input Voltages for Logic Gates Logic gate circuits are designed to…


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The Common-emitter Amplifier

The Common-emitter Amplifier

At the beginning of this chapter, it illustrates how transistors could…


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Static Electricity

Static Electricity

What does it mean for an object to have an electric charge? Give an…


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How to Calculate Power in a Series and Parallel Circuit

How to Calculate Power in a Series and Parallel Circuit

When calculating the power dissipation of resistive components, we can…


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The R/2R DAC (Digital-to-Analog Converter)

The R/2R DAC (Digital-to-Analog Converter)

The R/2R DAC circuit is an alternative to the binary-weighted-input…


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Electromechanical Relay Logic

Electromechanical Relay Logic

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


Worksheets - Linear Regulator

Step-up and Step-down Transformers

Step-up and Step-down Transformers

So far, we’ve observed simulations of transformers where the…


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Coax Inductance Calculator

Coax Inductance Calculator

A calculator for computing the inductance of a coaxial cable.


Tools

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.


Tools

Printed Circuit Board Layout and Manufacture

Printed Circuit Board Layout and Manufacture

When a PCB designer speaks of dimensions in thous or mils, what does…


Worksheets - Linear Regulator

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

Wiring Color Codes Infographic

Wiring Color Codes Infographic

Wiring Color Codes Infographic. Released under the Creative Commons…


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Critical Temperatures for Superconductors

Critical Temperatures for Superconductors

Critical temperatures given in Kelvins Material Element/Alloy Critical…


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Contributors (7)

Contributors (7)

Contributors to this chapter are listed in chronological order of…


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From Electric to Electronic

From Electric to Electronic

Introduction This third volume of the book series Lessons In Electric…


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Look-up Tables

Look-up Tables

Having learned about digital memory devices in the last chapter, we…


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Si Lab - Zener Diode Voltage Regulator

Si Lab - Zener Diode Voltage Regulator

In this hands-on semiconductor electronics experiment, build a simple DC voltage regulator circuit and learn how to use reverse-biased Zener diodes as voltage clamps.


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Electric Shock Data

Electric Shock Data

The table of electric currents and their various bodily effects was…


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Network Topology

Network Topology

Point-to-Point Connecting two digital devices with a network, would…


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Trace Resistance Calculator

Trace Resistance Calculator

This calculator determines the resistance of a microstrip trace


Tools

Important Constants

Important Constants

Euler’s Number Euler’s constant is an important value for…


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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

Active Versus Passive Devices

Active Versus Passive Devices

Passive Devices Components incapable of controlling current by means…


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The Junction Field-effect Transistor (JFET) as a Switch

The Junction Field-effect Transistor (JFET) as a Switch

Like its bipolar cousin, the field-effect transistor may be used as an…


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DC Lab - Capacitor Charging and Discharging

DC Lab - Capacitor Charging and Discharging

In this hands-on electronics experiment, you will build capacitor charging and discharging circuits and learn how to calculate the RC time constant of resistor-capacitor circuits.


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ElectroStatic Discharge

ElectroStatic Discharge

At the start of this book, we discussed static electricity and how it…


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Solid-state Relays

Solid-state Relays

Limitations of Electromechanical Relays As versatile as…


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