All About Circuits

Latest Linear Regulator Education

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Thevenin’s, Norton’s, and Maximum Power Transfer Theorems

Thevenin’s, Norton’s, and Maximum Power Transfer Theorems

Suppose a 12 volt lead-acid battery has an internal resistance of 20…


Worksheets - Linear Regulator

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…


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Linear Computational Circuitry

Linear Computational Circuitry

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


Worksheets - Linear Regulator

Capacitor Transient Response

Capacitor Transient Response

Because capacitors store energy in the form of an electric field, they…


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Current Mirror BJTs

Current Mirror BJTs

Bipolar Junction Transistor or BJT Current Mirror An often-used…


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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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Introduction to Diodes And Rectifiers

Introduction to Diodes And Rectifiers

All About Diodes A diode is an electrical device allowing current to…


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Mutual Inductance and Basic Operation

Mutual Inductance and Basic Operation

Behaviors of Inductors wrapped around a Conductive Core Suppose we…


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Simple Circuits

Simple Circuits

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


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

Oscillator Circuits

Oscillator Circuits

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


Worksheets - Linear Regulator

Bipolar Junction Transistors

Bipolar Junction Transistors

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


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Differential Transistor Amplifiers

Differential Transistor Amplifiers

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


Worksheets - Linear Regulator

Synchronous Motors

Synchronous Motors

Single Phase Synchronous Motors Single-phase synchronous motors are…


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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

Special Transformers and Applications

Special Transformers and Applications

Impedance Matching Because transformers can step voltage and current…


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Special Diodes

Special Diodes

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


Worksheets - Linear Regulator

Tesla Polyphase Induction Motors

Tesla Polyphase Induction Motors

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


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Magnetic Fields and Inductance

Magnetic Fields and Inductance

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


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Digital-to-Analog Conversion

Digital-to-Analog Conversion

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


Worksheets - Linear Regulator

Temperature Converter

Temperature Converter

Convert between Celsius, Fahrenheit and Kelvin


Tools

The “Operational” Amplifier

The “Operational” Amplifier

Long before the advent of digital electronic technology, computers…


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Inductor Voltage and Current Relationship

Inductor Voltage and Current Relationship

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


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Design Project: Telegraph System

Design Project: Telegraph System

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


Worksheets - Linear Regulator

Superposition Theorem

Superposition Theorem

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


Worksheets - Linear Regulator

Clamper Circuits

Clamper Circuits

The circuits in the figure below are known as clampers or DC…


Textbook

Basic Troubleshooting Strategies

Basic Troubleshooting Strategies

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


Worksheets - Linear Regulator

Basic Ammeter Use

Basic Ammeter Use

Show how this ammeter would be connected to the light bulb circuit to…


Worksheets - Linear Regulator

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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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.


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Resistors

Resistors

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


Worksheets - Linear Regulator

Kirchhoff’s Current Law (KCL)

Kirchhoff’s Current Law (KCL)

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


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DC Motor Control Circuits

DC Motor Control Circuits

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


Worksheets - Linear Regulator

DC Lab - Parallel Batteries

DC Lab - Parallel Batteries

In this hands-on electronics experiment, you will connect batteries in parallel to power a light and learn the relationship between the individual battery currents and the total system current.


Textbook

Millman’s Theorem Revisited

Millman’s Theorem Revisited

You may have wondered where we got that strange equation for the…


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Class C BJT Amplifiers

Class C BJT Amplifiers

A common class of operation used in radio-frequency (RF) amplifier…


Worksheets - Linear Regulator

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.


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Insulator Breakdown Voltage

Insulator Breakdown Voltage

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


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Si Lab - Half-wave Rectifier

Si Lab - Half-wave Rectifier

In this hands-on semiconductor electronics experiment, build a half-wave rectifier circuit using a silicon diode and learn about the differences between permanent magnet motor operation on AC vs. DC power.


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Millman’s Theorem

Millman’s Theorem

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


Worksheets - Linear Regulator

AC Motor Theory

AC Motor Theory

Electromechanical watt-hour meters use an aluminum disk that is spun…


Worksheets - Linear Regulator

Voltage, Current, and Resistance

Voltage, Current, and Resistance

Voltage is commonly defined as “electrical pressure.” The unit of…


Worksheets - Linear Regulator

Full-Adder

Full-Adder

The half-adder is extremely useful until you want to add more than one…


Textbook

Scientific Notation in SPICE

Scientific Notation in SPICE

The SPICE circuit simulation computer program uses scientific notation…


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Simultaneous Equations for Circuit Analysis

Simultaneous Equations for Circuit Analysis

Solve this equation for the value of x: x + 5 = 8 How many exact…


Worksheets - Linear Regulator

Performance-Based Assessments for Network Analysis Competencies

Performance-Based Assessments for Network Analysis Competencies


Worksheets - Linear Regulator

History of SPICE

History of SPICE

SPICE is a computer program designed to simulate analog electronic…


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Overcurrent Protection

Overcurrent Protection

What hazards might be posed by a circuit with excessive current going…


Worksheets - Linear Regulator

Passive Filter Circuits

Passive Filter Circuits

In very simple, qualitative terms, rate the impedance of capacitors…


Worksheets - Linear Regulator

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

Encoder

Encoder

What is an Encoder? An encoder is a circuit that changes a set of…


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Wire Stripline Impedance Calculator

Wire Stripline Impedance Calculator

A calculator for computing the impedance of a wire stripline.


Tools

Conductors, Insulators, and Electron Flow

Conductors, Insulators, and Electron Flow

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


Textbook

Karnaugh Maps, Truth Tables, and Boolean Expressions

Karnaugh Maps, Truth Tables, and Boolean Expressions

Who Developed the Karnaugh Map? Maurice Karnaugh, a…


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BJT Quirks

BJT Quirks

An ideal transistor would show 0% distortion in amplifying a signal.…


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Conductor Size

Conductor Size

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


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Systems of Numeration

Systems of Numeration

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


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Sum-of-Products and Product-of-Sums Expressions

Sum-of-Products and Product-of-Sums Expressions

Identify each of these logic gates by name, and complete their…


Worksheets - Linear Regulator

Analysis Options

Analysis Options

AC ANALYSIS: General form: .ac [curve] [points] [start] [final]…


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Emergency Response

Emergency Response

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


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