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Design Project: Audio Tone Control

Design Project: Audio Tone Control

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


Worksheets - Audio

Design Project: Audio Power Amplifier

Design Project: Audio Power Amplifier

Explain how the microphone in your amplifier works. How, exactly, does…


Worksheets - Audio

Active Filters

Active Filters

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


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

Battery Life Calculator

Battery Life Calculator

This calculator provides three options—basic, intermediate, and advanced—for determining expected battery life for microcontroller, Internet of Things (IoT), and edge processing systems with up to four different operating modes.


Tools

Performance-Based Assessments for AC Circuit Competencies

Performance-Based Assessments for AC Circuit Competencies

(Template)


Worksheets - Audio

Fundamentals of Radio Communication

Fundamentals of Radio Communication

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


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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

Wire-by-Number project kit introduction

Wire-by-Number project kit introduction

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


Worksheets - Audio

Series and Parallel AC Circuits

Series and Parallel AC Circuits

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


Worksheets - Audio

Decibels

Decibels

The Bel is Used to Represent Gain In its simplest form, an…


Textbook

RC Time Constant Calculator

RC Time Constant Calculator

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.


Tools

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 - Audio

The Common-emitter Amplifier

The Common-emitter Amplifier

At the beginning of this chapter, it illustrates how transistors could…


Textbook

AC Lab - Noise Cancellation

AC Lab - Noise Cancellation

In this hands-on AC electronics experiment, you will use an AC voltage source connected to speakers to learn about sound waves and the foundational principle used in noise cancelling headphones.


Textbook

Clipper and Clamper Circuits

Clipper and Clamper Circuits

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


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Phase-Locked Loops

Phase-Locked Loops

This is a schematic for a simple VCO: The oscillator is of the RC…


Worksheets - Audio

DC Lab - Sensitive Voltage Detector With Audio Output

DC Lab - Sensitive Voltage Detector With Audio Output

In this hands-on electronics experiment, you will construct a voltage detector with adjustable sensitivity and audio output, and you will learn a method for detecting small electrical signals without an oscilloscope.


Textbook

AC Lab - Sensitive Voltage Detector with Audio Output

AC Lab - Sensitive Voltage Detector with Audio Output

In this hands-on electronics experiment, you will construct a voltage detector with adjustable sensitivity and audio output, and you will learn a method for detecting small electrical signals without an oscilloscope.


Textbook

Si Lab - Astable Multivibrator Audio Oscillator

Si Lab - Astable Multivibrator Audio Oscillator

In this hands-on semiconductor electronics experiment, build an astable multivibrator (oscillator) circuit that provides an output in the audio frequency range and learn the effect of component values and supply voltage on oscillation frequency.


Textbook

Class A BJT Amplifiers

Class A BJT Amplifiers

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


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L-Match Impedance Matching Circuits

L-Match Impedance Matching Circuits

This calculator is designed to compute for the parameters needed to design a L-Match Impedance Circuit


Tools

Stripline Crosstalk Calculator

Stripline Crosstalk Calculator

This tool is designed to calculate cross-talk coefficient and coupled voltage for a stripline


Tools

Review of R, X, and Z (Resistance, Reactance and Impedance)

Review of R, X, and Z (Resistance, Reactance and Impedance)

Before we begin to explore the effects of resistors, inductors, and…


Textbook

Digital Lab - S-R Latch Using NOR Gates

Digital Lab - S-R Latch Using NOR Gates

In this hands-on electronics experiment, build an S-R latch using two NOR gates and learn how this type of digital memory operates, including invalid states, race conditions, and the effects of output loading.


Textbook

Power Added Efficiency Calculator

Power Added Efficiency Calculator

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


Tools

Wire-by-Number project kit introduction

Wire-by-Number project kit introduction

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


Worksheets - Audio

Introduction to Insulated-gate Field-effect Transistors

Introduction to Insulated-gate Field-effect Transistors

As was stated in the last chapter, there is more than one type of…


Textbook

Sources of Electricity

Sources of Electricity

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


Worksheets - Audio

Introduction to Bipolar Junction Transistors (BJT)

Introduction to Bipolar Junction Transistors (BJT)

The invention of the bipolar transistor in 1948 ushered in a…


Textbook

Reluctance Motor

Reluctance Motor

The variable reluctance motor is based on the principle that an…


Textbook

Electrical Isolation

Electrical Isolation

SPICE analysis of Electrical Isolation Aside from the ability to…


Textbook

Complex Voltage and Current Calculations

Complex Voltage and Current Calculations

There are circumstances when you may need to analyze a DC reactive…


Textbook

Switches, Process Actuated

Switches, Process Actuated

It is very important to keep in mind that the “normal”…


Textbook

Polyphase Motor Design

Polyphase Motor Design

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


Textbook

JFET Quirks

JFET Quirks


Textbook

Impedance Transformation

Impedance Transformation

Standing waves at the resonant frequency points of an open- or…


Textbook

Binary Addition

Binary Addition

The Rules of Binary Addition Adding binary numbers is a very simple…


Textbook

Special-purpose Batteries

Special-purpose Batteries

Mercury Standard Cell Back in the early days of electrical measurement…


Textbook

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,…


Textbook

Contactors

Contactors

All About Contactors When a relay is used to switch a large amount of…


Textbook

Derivatives of Power Functions of e

Derivatives of Power Functions of e

Example Derivatives of e Proportionality Constant When we say that a…


Textbook

Network Protocols

Network Protocols

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


Textbook

Series and Parallel Inductors

Series and Parallel Inductors

When inductors are connected in series, the total inductance is the…


Textbook

Power Measurement

Power Measurement

Power measurement in AC circuits can be quite a bit more complex than…


Textbook

Square Wave Signals

Square Wave Signals

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


Textbook

Design Project: Sensitive Microphone Amplifier

Design Project: Sensitive Microphone Amplifier

Identify which direction each potentiometer wiper must move in this…


Worksheets - Audio

Magnetic Units of Measurement

Magnetic Units of Measurement

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


Textbook

Programmable Logic Controllers

Programmable Logic Controllers

The Programmable Logic Controller, or PLC, was invented in the late…


Worksheets - Audio

Bipolar Junction Transistor (BJT) theory

Bipolar Junction Transistor (BJT) theory

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


Worksheets - Audio

Four-Channel Audio Mixer

Four-Channel Audio Mixer

A very common misconception students have about potentiometers is the…


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Electrical Connections

Electrical Connections

What, exactly, is necessary to establish electrical continuity between…


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Introduction to AC Motors

Introduction to AC Motors

After the introduction of the DC electrical distribution system by…


Textbook

AC Capacitor Circuits

AC Capacitor Circuits

Capacitors Vs. Resistors Capacitors do not behave the same as…


Textbook

Basic Electricity Worksheet

Basic Electricity Worksheet

What is the purpose of the switch shown in this schematic diagram?


Worksheets - Audio

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 - Audio

Node Voltage Method

Node Voltage Method

The node voltage method of DC network analysis solves for unknown…


Textbook

Waveguides

Waveguides

A waveguide is a special form of transmission line consisting of a…


Textbook

Step-up, Step-down, and Isolation Transformers

Step-up, Step-down, and Isolation Transformers

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


Worksheets - Audio

Measurements of AC Magnitude

Measurements of AC Magnitude

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


Textbook