Categories

Vacuum Tube Audio Amplifier

Textbook

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

DC Generator Theory

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

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

AC Motor Control Circuits

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Perhaps the most challenging aspect of interpreting ladder diagrams,…

Inductive Reactance

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

Introduction to AC Motors

Textbook

After the introduction of the DC electrical distribution system by…

Induction Motor

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…

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

Step-up, Step-down, and Isolation Transformers

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Calculate the voltage output by the secondary winding of a transformer…

Bipolar Junction Transistors as Switches

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Solid-state switching circuits usually keep their constituent…

AC Instrumentation Transducers

Textbook

Just as devices have been made to measure certain physical quantities…

What is Alternating Current (AC)?

Textbook

Most students of electricity begin their study with what is known as…

Stepper Motors

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

Intermediate Electromagnetism and Electromagnetic Induction

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As an electric current is passed through a coil of wire, it creates a…

Single-phase Induction Motors

Textbook

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

DC Motor Theory

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If the ends of a wire loop are attached to two half-circular metal…

AC Motor Theory

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

Design Project: DC Motor

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The armature windings of your DC motor will have very low resistance.…

Pulse Width Modulation

Textbook

Pulse Width Modulation (PWM) uses digital signals to control power…

Potentiometers

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

Nonlinear Conduction

Textbook

“Advances are made by answering questions. Discoveries are made…

Contributors (11)

Textbook

Contributors to this chapter are listed in chronological order of…

Vol VI. Credits

Textbook

All entries arranged in alphabetical order of surname. Major…

Series-Parallel DC Circuits

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

Combination Tubes

Textbook

Similar in thought to the idea of the integrated circuit, tube…

Performance-Based Assessments for Semiconductor Circuit Competencies

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Connectors

Textbook

An electrical connector, is an electro-mechanical device used to join…

IGFET Amplifiers

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

Regulated Power Sources

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

Measurements of AC Magnitude

Textbook

So far we know that AC voltage alternates in polarity and AC current…

Modern Nonmechanical Memory

Textbook

Now we can proceed to studying specific types of digital storage…

Ring Counters

Textbook

If the output of a shift register is fed back to the input. a ring…

Power in Electric Circuits

Textbook

In addition to voltage and current, there is another important…

Complex Vector Addition

Textbook

If vectors with uncommon angles are added, their magnitudes (lengths)…

Scientific Notation in SPICE

Textbook

The SPICE circuit simulation computer program uses scientific notation…

What is Norton’s Theorem and the Norton Equivalent Circuit?

Textbook

This article explains the step-by-step process for determining the…

Series-parallel R, L, and C

Textbook

Now that we’ve seen how series and parallel AC circuit analysis…

TTL NAND and AND gates

Textbook

Suppose we altered our basic open-collector inverter circuit, adding a…

Common Antiderivatives

Textbook

 

Voltage Divider Circuits

Textbook

Let’s analyze a simple series circuit and determine the voltage…

Magnetism

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

Thermocouples

Textbook

Seebeck Effect An interesting phenomenon applied in the field of…

RC Time Constant Calculator

Tools

The time constant of a series RC circuit is the product of the resistance and capacitance. Given two of the three values—resistance, capacitance, or RC time constant—this tool will calculate the missing third variable.

Introduction to Junction Field-effect Transistors (JFET)

Textbook

A transistor is a linear semiconductor device that controls current…

Static Electricity

Textbook

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

Non-right Triangle Trigonometry

Textbook

The Law of Sines (for any triangle) The Law of Cosines (for any…

Important Constants

Textbook

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

Synchronous Condenser

Textbook

Synchronous motors load the power line with a leading power factor.…

Power Added Efficiency Calculator

Tools

A calculator designed to compute the power-added efficiency (PAE) of an amplifier

7-segment Display

Textbook

PARTS AND MATERIALS 4511 BCD-to-7seg latch/decoder/driver (Radio…

Peak Detector

Textbook

A peak detector is a series connection of a diode and a…

Square Wave Signals

Textbook

It has been found that any repeating, non-sinusoidal waveform can be…

Voltmeter Usage

Textbook

PARTS AND MATERIALS Multimeter, digital or analog Assorted batteries…

Conductor Ampacity

Textbook

The smaller the cross-sectional area of any given wire, the greater…

Introduction to Digital-Analog Conversion

Textbook

Connecting digital circuitry to sensor devices is simple if the sensor…

Class C BJT Amplifiers

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

Microstrip Wavelength Calculator

Tools

A tool designed to calculate the guided wavelength inside a microstrip.

Sensing AC Electric Fields

Textbook

PARTS AND MATERIALS Audio detector with headphones  …

DC Transducers

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Research and describe what the Hall effect is, and list some practical…