All About Circuits

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AC Network Analysis

AC Network Analysis

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


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Series and Parallel AC Circuits

Series and Parallel AC Circuits

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


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“Long’’ and “Short’’ Transmission Lines

“Long’’ and “Short’’ Transmission Lines

In DC and low-frequency AC circuits, the characteristic impedance of…


Textbook

Decibel Calculator

Decibel Calculator

This calculator will convert voltage or power gains into decibels. Enter one of the three values and the calculator will output the other two.


Tools

Basic Electromagnetism and Electromagnetic Induction

Basic Electromagnetism and Electromagnetic Induction

When lightning strikes, nearby magnetic compass needles may be seen to…


Worksheets - Audio

Design Project: Audio Tone Control

Design Project: Audio Tone Control

Suppose you were installing a high-power stereo system in your car,…


Worksheets - Audio

Tubes versus Semiconductors

Tubes versus Semiconductors

Devoting a whole chapter in a modern electronics text to the design…


Textbook

Wire-by-Number project kit introduction

Wire-by-Number project kit introduction

Wire-by-Number project: simple voltage divider Description: Build a…


Worksheets - Audio

BJT Amplifier Troubleshooting

BJT Amplifier Troubleshooting

As an instructor of electronics, I am called upon frequently to help…


Worksheets - Audio

LC Resonant Frequency Calculator

LC Resonant Frequency Calculator

A circuit with an inductor (L) and capacitor (C) connected in parallel or series will have a resonant frequency at which their impedances are equal. Given two of the three values—inductance, capacitance, or resonant frequency—this tool will calculate the missing third variable.


Tools

Design Project: Sensitive Microphone Amplifier

Design Project: Sensitive Microphone Amplifier

Identify which direction each potentiometer wiper must move in this…


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Design Project: Sensitive Audio Detector

Design Project: Sensitive Audio Detector

The choice of step-down transformers to use in a project such as this…


Worksheets - Audio

Si Lab - Light Sensor (LED Photodetector)

Si Lab - Light Sensor (LED Photodetector)

In this hands-on semiconductor electronics experiment, use an LED as a light-sensitive photodetector and learn how to use a bipolar transistor in a common-emitter amplifier configuration.


Textbook

Polyphase Motor Design

Polyphase Motor Design

AC Motors Perhaps the most important benefit of polyphase AC power…


Textbook

Open-Loop OpAmp Circuits

Open-Loop OpAmp Circuits

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


Worksheets - Audio

Design Project: Telegraph System

Design Project: Telegraph System

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


Worksheets - Audio

Common Antiderivatives

Common Antiderivatives

 


Textbook

How to Use Thevenin’s Theorem

How to Use Thevenin’s Theorem

This page will walk you step-by-step through the process of…


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Bit Grouping

Bit Grouping

The singular reason for learning and using the binary numeration…


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Magnetic Units of Measurement

Magnetic Units of Measurement

If the burden of two systems of measurement for common quantities…


Textbook

LC Tank Circuit Resonance Calculator

LC Tank Circuit Resonance Calculator

This calculator computes the resonant frequency of a parallel inductor and capacitor "tank" circuit.


Tools

Ideal Diode Current and Voltage Calculator

Ideal Diode Current and Voltage Calculator

This calculator solves for any single missing value in the ideal diode I-V equation for a forward-biased PN-junction diode. Parameters are current, saturation current, voltage, temperature, and ideality factor.


Tools

Optical Data Communication

Optical Data Communication

A modern alternative to sending (binary) digital information via…


Textbook

Emergency Response

Emergency Response

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


Textbook

The Tetrode

The Tetrode

As the name suggests, the tetrode tube contains four elements: cathode…


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The Pentode

The Pentode

Another strategy for addressing the problem of secondary electrons…


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Binary Count Sequence

Binary Count Sequence

If we examine a four-bit binary count sequence from 0000 to 1111, a…


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Advanced Electromagnetism and Electromagnetic Induction

Advanced Electromagnetism and Electromagnetic Induction

∫f(x) dx Calculus alert! Electronic power conversion circuits known…


Worksheets - Audio

Diodes

Diodes

A diode is an electronics component made from a combination of a…


Textbook

DC Branch Current Analysis

DC Branch Current Analysis

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


Worksheets - Audio

Flyback Switch Mode Regulator Calculator

Flyback Switch Mode Regulator Calculator

A calculator for computing several parameters needed in the design of a flyback switch mode regulator


Tools

Inductors

Inductors

An inductor is a passive two-terminal electrical component that…


Textbook

Passive Filter Circuits

Passive Filter Circuits

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


Worksheets - Audio

Re-drawing Complex Schematics

Re-drawing Complex Schematics

Typically, complex circuits are not arranged in nice, neat, clean…


Textbook

Asynchronous Counters

Asynchronous Counters

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


Textbook

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…


Textbook

Advanced Electromagnetism and Electromagnetic Induction

Advanced Electromagnetism and Electromagnetic Induction

∫f(x) dx Calculus alert! Electronic power conversion circuits known…


Worksheets - Audio

Polar Form and Rectangular Form Notation for Complex Numbers

Polar Form and Rectangular Form Notation for Complex Numbers

In order to work with complex numbers without drawing vectors, we…


Textbook

Heat Sink Calculator

Heat Sink Calculator

This calculator helps determine the maximum temperature a device can withstand


Tools

Temperature Coefficient of Resistance

Temperature Coefficient of Resistance

You might have noticed on the table for specific resistances that all…


Textbook

MESFETs

MESFETs


Textbook

Important Constants

Important Constants

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


Textbook

Contributors (9)

Contributors (9)

Contributors to this chapter are listed in chronological order of…


Textbook

Attenuators

Attenuators

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


Textbook

Voltage Divider Circuits

Voltage Divider Circuits

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


Textbook

Bipolar Junction Transistors

Bipolar Junction Transistors

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


Textbook

Voltage, Current, and Resistance

Voltage, Current, and Resistance

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


Worksheets - Audio

Design Project: Intercom System

Design Project: Intercom System

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


Worksheets - Audio

Active Loads in Amplifier Circuits

Active Loads in Amplifier Circuits

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


Worksheets - Audio

Decibel Measurements

Decibel Measurements

During the early development of telephone technology, a unit was…


Worksheets - Audio

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.


Textbook

Design Project: Simple Component Curve-Tracer Circuit

Design Project: Simple Component Curve-Tracer Circuit

What do each of the oscilloscope axes represent, in real-life terms…


Worksheets - Audio

Numbers and Symbols

Numbers and Symbols

The expression of numerical quantities is something we tend to take…


Textbook