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Bipolar Junction Transistors in Active Mode

Bipolar Junction Transistors in Active Mode

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


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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…


Worksheets - Linear Regulator

Single-phase Induction Motors

Single-phase Induction Motors

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


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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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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

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

Impedance

Impedance

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


Worksheets - Linear Regulator

Ohm’s Law - How Voltage, Current, and Resistance Relate

Ohm’s Law - How Voltage, Current, and Resistance Relate

The first, and perhaps most important, relationship between current,…


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Gas Discharge Tubes

Gas Discharge Tubes

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


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High Voltage Ohmmeters

High Voltage Ohmmeters

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


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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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Magnetic Fields and Inductance

Magnetic Fields and Inductance

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


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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…


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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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Standing Waves and Resonance

Standing Waves and Resonance

Whenever there is a mismatch of impedance between transmission line…


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Switched Capacitor Circuitry

Switched Capacitor Circuitry

Write an equation describing the precise mathematical relationship…


Worksheets - Linear Regulator

Optoelectronic Devices

Optoelectronic Devices

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


Worksheets - Linear Regulator

Voltage, Current, and Resistance

Voltage, Current, and Resistance

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


Worksheets - Linear Regulator

JFET Amplifiers

JFET Amplifiers

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


Worksheets - Linear Regulator

Practical Power Factor Correction

Practical Power Factor Correction

When the need arises to correct for poor power factor in an AC power…


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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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Differential Transistor Amplifiers

Differential Transistor Amplifiers

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


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Current Mirror BJTs

Current Mirror BJTs

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


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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…


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Basic AC-DC Power Supplies

Basic AC-DC Power Supplies

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


Worksheets - Linear Regulator

Millman’s Theorem

Millman’s Theorem

In Millman’s Theorem, the circuit is re-drawn as a parallel…


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The Common-base Amplifier

The Common-base Amplifier

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


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Special-purpose Diodes

Special-purpose Diodes

Schottky diodes Schottky diodes are constructed of a metal-to-N…


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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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Wire Types and Sizes

Wire Types and Sizes

Most electrical wire is covered in a rubber or plastic coating called…


Worksheets - Linear Regulator

Universal Shift Registers: Parallel-in, Parallel-out

Universal Shift Registers: Parallel-in, Parallel-out

The purpose of the parallel-in/ parallel-out shift register is to take…


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Nonlinear OpAmp Circuits

Nonlinear OpAmp Circuits

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


Worksheets - Linear Regulator

Delta and Wye 3-Phase Circuits

Delta and Wye 3-Phase Circuits

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


Worksheets - Linear Regulator

Rectifier Circuits

Rectifier Circuits

What is Rectification? Now we come to the most popular application of…


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Microphones

Microphones

Explain how a moving-coil, or dynamic microphone works. Identify how…


Worksheets - Linear Regulator

Power Supply Circuits

Power Supply Circuits

There are three major kinds of power supplies: unregulated (also…


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Voltage Divider Circuits

Voltage Divider Circuits

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


Worksheets - Linear Regulator

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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Impedance Matching With Transformers

Impedance Matching With Transformers

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


Worksheets - Linear Regulator

Encoders and Decoders

Encoders and Decoders

What does it mean, in general terms, to encode something? Conversely,…


Worksheets - Linear Regulator

Millman’s Theorem

Millman’s Theorem

In Millman’s Theorem, the circuit is re-drawn as a parallel…


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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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Principles of Radio

Principles of Radio

One of the more fascinating applications of electricity is in the…


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Series and Parallel Capacitors

Series and Parallel Capacitors

When capacitors are connected in series, the total capacitance is…


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Boolean Algebra

Boolean Algebra

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


Worksheets - Linear Regulator

SPICE Simulation of Series and Parallel Circuits

SPICE Simulation of Series and Parallel Circuits

Previously, we examined series circuits and parallel circuits using…


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Radio Circuits

Radio Circuits

(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…


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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…


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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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Attenuators

Attenuators

What is Attenuators? Attenuators are passive devices. It is…


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Vol II. Credits

Vol II. Credits

All entries arranged in alphabetical order of surname. Major…


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555 Lab - Introduction to the 555 Timer IC

555 Lab - Introduction to the 555 Timer IC

In this collection of hands-on electronics experiments, build and test mixed-signal analog and digital circuits using the versatile 555 timer IC. These projects will teach you about RC time constants, duty cycle, transistor current drive, LEDs, voltage doublers, and more.


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Single-phase Induction Motors

Single-phase Induction Motors

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


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Introduction to Junction Field-effect Transistors (JFET)

Introduction to Junction Field-effect Transistors (JFET)

A transistor is a semiconductor device that controls current with the…


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Encoder

Encoder

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


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AC Waveforms

AC Waveforms

Radio waves are comprised of oscillating electric and magnetic fields,…


Worksheets - Linear Regulator

Field-effect-controlled Thyristors

Field-effect-controlled Thyristors

Two relatively recent technologies designed to reduce the…


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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.


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Intro Lab - How to Use a Voltmeter to Measure Voltage

Intro Lab - How to Use a Voltmeter to Measure Voltage

In this hands-on introduction to electronics, you will experiment with a multimeter and learn how to measure voltage using the voltmeter function.


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