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Induction Motor

Textbook

PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…

Fundamentals of Radio Communication

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What does the acronym RF stand form, in reference to radio-related…

DC Generator Theory

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Generators used in battery-charging systems must be regulated so as to…

Resonance

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The Q factor of a series inductive circuit is given by the following…

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

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

Design Project: Stepper Motor Driver

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At first it may seem pointless to have the four buffer gates following…

Series-Parallel DC Circuits

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

Vacuum Tube Audio Amplifier

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PARTS AND MATERIALS One 12AX7 dual triode vacuum tube Two power…

Automotive Alternator

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Project Parts and Materials Automotive alternator (one required, but…

SPICE Models

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The SPICE circuit simulation program provides for modeling diodes in…

Tesla Polyphase Induction Motors

Textbook

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

Inverting and Noninverting OpAmp Voltage Amplifier Circuits

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

Electric Shock

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It is sometimes said regarding electrical safety that, Ït’s not the…

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

Specific Troubleshooting Techniques

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After applying some of the general troubleshooting tips to narrow the…

Single-phase Induction Motors

Textbook

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

Conventional Transistor Overview and Special Transistors

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A microcontroller is a specialized type of digital computer used to…

Wound Rotor Induction Motors

Textbook

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

Induction Motor, Large

Textbook

PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…

Boolean Algebra

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

Clamper Circuits

Textbook

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

Metric Prefix Conversions

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To express a quantity in a different metric prefix from how it was…

Logic Simplification With Karnaugh Maps

Textbook

The logic simplification examples that we have done so far could have…

Unit Conversion Calculator

Tools

Convert to and from different units of length, weight, power, temperature and torque

Oscilloscope Trigger Controls

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A very useful tool for observing rotating objects is a strobe light.…

Printed Circuit Board Layout and Manufacture

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

Microwave Tubes

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For extremely high-frequency applications (above 1 GHz), the…

Special-purpose Diodes

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

Contributors (8)

Textbook

Contributors to this chapter are listed in chronological order of…

Potential Pitfalls

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Fallacious reasoning and poor interpersonal relations account for more…

What Are Electric Circuits?

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You might have been wondering how charges can continuously flow in a…

Meter Check of a Transistor (BJT)

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Bipolar transistors are constructed of a three-layer semiconductor…

Open-Loop OpAmp Circuits

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Determine what the magnitude and polarity of the voltmeter’s…

Sources of Electricity

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What is the difference between DC and AC electricity? Identify some…

Standing Waves and Resonance

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Whenever there is a mismatch of impedance between transmission line…

Coefficients of Specific Resistance

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

Relay Construction

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Electricity and Magnetism An electric current through a conductor will…

The common-drain Amplifier (JFET)

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RELATED WORKSHEETS: JFET Amplifiers Worksheet

An Analogy for Ohm’s Law

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

Decoder

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A decoder is a circuit that changes a code into a set of signals. It…

Circuit Simplification Examples

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Let’s begin with a semiconductor gate circuit in need of…

Numbers versus Numeration

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It is imperative to understand that the type of numeration system used…

Parallel R, L, and C

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We can take the same components from the series circuit and rearrange…

Common Derivatives

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    RELATED WORKSHEETS: Calculus for Electric Circuits…

Asynchronous Counters

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In the previous section, we saw a circuit using one J-K flip-flop that…

Component Failure Analysis (Continued)

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“I consider that I understand an equation when I can predict the…

Wire Microstrip Impedance Calculator

Tools

A helpful tool for calculating the impedance of a wire microstrip.

Resistor Color Codes

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Try out our Resistor Color Code Calculator in our Tools section.…

What is Network Analysis?

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Generally speaking, network analysis is any structured technique used…

Performance-Based Assessments for Analog Integrated Circuit Competencies

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Multimeters

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Seeing as how a common meter movement can be made to function as a…

Voltage Divider Calculator

Tools

The voltage divider is a circuit used to create a voltage less than or equal to the input voltage.

Algebraic Equation Manipulation for Electric Circuits

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The electrical resistance of a conductor at any temperature may be…

555 Audio Oscillator

Textbook

PARTS AND MATERIALS Two 6 volt batteries One capacitor, 0.1 µF,…

Electrical Transients

Textbook

This chapter explores the response of capacitors and inductors to…

Differentiator and Integrator Circuits

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By introducing electrical reactance into the feedback loops of an…

R, L and C Summary

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With the notable exception of calculations for power (P), all AC…

The Quadratic Formula

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Solving for x in a given polynomial equation “ax2 + bx + c…

Series Batteries

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PARTS AND MATERIALS Two 6-volt batteries One 9-volt battery  …

Electrical Isolation

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SPICE analysis of Electrical Isolation Aside from the ability to…