All About Circuits

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Square Wave Signals

Square Wave Signals

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


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Passive Filter Circuits

Passive Filter Circuits

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


Worksheets - Spectral Analysis

Biasing Techniques (BJT)

Biasing Techniques (BJT)

In the common-emitter section of this chapter, we saw a SPICE analysis…


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Mixed-Frequency Signals

Mixed-Frequency Signals

What is a harmonic frequency? If an oscillator circuit outputs a…


Worksheets - Spectral Analysis

Harmonics in Polyphase Power Systems

Harmonics in Polyphase Power Systems

In the chapter on mixed-frequency signals, we explored the concept of…


Textbook

Digital-to-Analog Conversion

Digital-to-Analog Conversion

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


Worksheets - Spectral Analysis

Polyphase Motor Design

Polyphase Motor Design

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


Textbook

Square Root, Cube Root, and Nth Root Calculator

Square Root, Cube Root, and Nth Root Calculator

This calculator will determine the square root, cube root, or nth root of a given number, x.


Tools

Tesla Polyphase Induction Motors

Tesla Polyphase Induction Motors

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


Textbook

Performance-Based Assessments for Digital Circuit Competencies

Performance-Based Assessments for Digital Circuit Competencies

(Template)


Worksheets - Spectral Analysis

Flash ADC

Flash ADC

Also called the parallel A/D converter, this circuit is the simplest…


Textbook

Introduction to Digital-Analog Conversion

Introduction to Digital-Analog Conversion

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


Textbook

Linear Computational Circuitry

Linear Computational Circuitry

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


Worksheets - Spectral Analysis

Introduction to Mixed-Frequency AC Signals

Introduction to Mixed-Frequency AC Signals

In our study of AC circuits thus far, we’ve explored circuits…


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Slope (integrating) ADC

Slope (integrating) ADC

So far, we’ve only been able to escape the sheer volume of…


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Design Project: Audio Media-Based Signal Generator

Design Project: Audio Media-Based Signal Generator

Identify some different ways you can create the sine-wave audio tracks…


Worksheets - Spectral Analysis

Square Wave Signals

Square Wave Signals

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


Textbook

AC Lab - Signal and Noise Coupling

AC Lab - Signal and Noise Coupling

In this hands-on AC electronics experiment, power a DC motor through a multi-conductor cable to learn how AC signals are coupled between conductors and how to mitigate noise coupling.


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Practical Considerations of ADC Circuits

Practical Considerations of ADC Circuits

Perhaps the most important consideration of an ADC is its resolution.…


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Polyphase Power Systems

Polyphase Power Systems

Explain the difference between a balanced polyphase system and an…


Worksheets - Spectral Analysis

The “Operational” Amplifier

The “Operational” Amplifier

Long before the advent of digital electronic technology, computers…


Textbook

Temperature Coefficient of Resistance

Temperature Coefficient of Resistance

It is a common phenomenon for the electrical resistance of a substance…


Worksheets - Spectral Analysis

Bandpass Filter Calculator

Bandpass Filter Calculator

This calculates values of the inductance, capacitance of an inductor and capacitor used in a Butterworth LC bandpass filter.


Tools

Design Project: Signal Generator

Design Project: Signal Generator

Explain the principle of operation for the particular integrated…


Worksheets - Spectral Analysis

Analog and Digital Signals

Analog and Digital Signals

Instrumentation is a field of study and work centering on measurement…


Textbook

Circuits and the Speed of Light

Circuits and the Speed of Light

Suppose we had a simple one-battery, one-lamp circuit controlled by a…


Textbook

Intro Lab - How to Use an Ohmmeter to Measure Resistance

Intro Lab - How to Use an Ohmmeter to Measure Resistance

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


Textbook

Design Project: DC Voltage Regulator

Design Project: DC Voltage Regulator

It may seem difficult to even start on a project such as this, with no…


Worksheets - Spectral Analysis

The “Buffer” Gate

The “Buffer” Gate

If we were to connect two inverter gates together so that the output…


Textbook

Rectifier Circuits

Rectifier Circuits

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


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Sum and Product Notation

Sum and Product Notation

For reference, this section introduces the terminology used in some…


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Network Protocols

Network Protocols

Aside from the issues of the physical network (signal types and…


Textbook

Positive Feedback

Positive Feedback

As we’ve seen, negative feedback is an incredibly useful…


Textbook

AC Lab - Sensing AC Magnetic Fields

AC Lab - Sensing AC Magnetic Fields

In this hands-on AC electronics experiment, you will sense AC magnetic fields using a simple wire coil and learn about AC signal coupling, orientation effects, and the impact of shielding using different materials.


Textbook

Derivative of a Constant

Derivative of a Constant

    (“c” being a constant)   RELATED…


Textbook

Time Constant Circuits

Time Constant Circuits

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


Worksheets - Spectral Analysis

Mutual Inductance

Mutual Inductance

When an electric current is passed through a coil of wire, what…


Worksheets - Spectral Analysis

What Are Zener Diodes?

What Are Zener Diodes?

What Is a Zener Diode? A Zener diode is a special type of rectifying…


Textbook

BJT Quirks

BJT Quirks

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


Textbook

Microstrip Wavelength Calculator

Microstrip Wavelength Calculator

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


Tools

Introduction to Electron Tubes

Introduction to Electron Tubes

An often neglected area of study in modern electronics is that of…


Textbook

EIRP Calculator

EIRP Calculator

A helpful tool for computing the Effective Isotropic Radiated Power (EIRP) of an antenna


Tools

Introduction to Karnaugh Mapping

Introduction to Karnaugh Mapping

Why learn about Karnaugh maps? The Karnaugh map, like Boolean…


Textbook

The P-N Junction

The P-N Junction

If a block of P-type semiconductor is placed in contact with a block…


Textbook

Microwave Tubes

Microwave Tubes

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


Textbook