Categories

Design Project: Sensitive Microphone Amplifier

Worksheets - Audio

Identify which direction each potentiometer wiper must move in this…

Inverting and Noninverting OpAmp Voltage Amplifier Circuits

Worksheets - Audio

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

Performance-Based Assessments for Analog Integrated Circuit Competencies

Worksheets - Audio

What is a Filter?

Textbook

It is sometimes desirable to have circuits capable of selectively…

DC Lab - Sensitive Voltage Detector With Audio Output

Textbook

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.

Mixed-Frequency Signals

Worksheets - Audio

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

Feedback

Textbook

If some percentage of an amplifier’s output signal is connected…

Multi-Stage Transistor Amplifiers

Worksheets - Audio

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

Si Lab - Astable Multivibrator Audio Oscillator

Textbook

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.

BJT Quirks

Textbook

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

Battery Life Calculator

Tools

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.

Attenuators

Textbook

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

Passive Filter Circuits

Worksheets - Audio

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

Design Project: Audio Media-Based Signal Generator

Worksheets - Audio

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

AC Lab - Sensing AC Magnetic Fields

Textbook

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.

Introduction to Mixed-Frequency AC Signals

Textbook

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

Basic Electromagnetism and Electromagnetic Induction

Worksheets - Audio

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

The Common-emitter Amplifier

Textbook

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

Tube Lab - Vacuum Tube Audio Amplifier

Textbook

In this hands-on electronics experiment, build an audio amplifier using a vacuum tube (triode) and learn about voltage transformers, how to build a high-voltage DC power supply, and how to use a transformer for impedance matching.

Oscillator Circuits

Worksheets - Audio

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

Analysis Techniques for Series Parallel Resistor Circuits

Textbook

Guidelines to Series-Parallel Combination Circuit Analysis The goal of…

Nonlinear Conduction

Textbook

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

Practical Considerations - Batteries

Textbook

When connecting batteries together to form larger “banks”…

Edge Coupled Microstrip Impedance Calculator

Tools

This tool helps calculate the impedance of an edge-coupled microstrip.

AC Network Analysis

Worksheets - Audio

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

Electron Tubes

Textbook

Cathode:   This is the electrode that is heated and emits the…

High-Reliability Circuits

Worksheets - Audio

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

Current Signal Systems

Textbook

Current Source It is possible through the use of electronic amplifiers…

Digital Lab - Digital Combination Lock

Textbook

In this hands-on electronics experiment, build a digital combination lock with LED output indicators and learn about XOR gate functionality and how to implement NOR logic functionality using diodes.

Design Project: Arbitrary Waveform Generator

Worksheets - Audio

What, exactly, is an arbitrary waveform generator, and for what…

Meter Check of a Transistor (JFET)

Textbook

Testing a JFET with a multimeter might seem to be a relatively easy…

DIY EE Lab - Setting Up a Home Electronics Lab

Textbook

To build the DIY electronics projects described in this textbook, you will need a small work area, a few tools, and some basic electronics supplies. This page describes the setup of a low-cost home electronics laboratory.

AC Motor Theory

Worksheets - Audio

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

Display Tubes

Textbook

In addition to performing tasks of amplification and switching, tubes…

Polyphase Motor Design

Textbook

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

RF Power Ratio Conversion Calculator

Tools

This tool is designed to convert power ratios to decibel

Logarithms for Analog Circuits

Worksheets - Audio

The concept of a mathematical power is familiar to most students of…

Static Electricity

Textbook

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

Lock-out / Tag-out

Worksheets - Audio

In this motor control circuit, how would you ensure that there is no…

Digital Communication

Worksheets - Audio

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

Mutual Inductance

Textbook

If two coils of wire are brought into close proximity with each other…

The Gated S-R Latch

Textbook

It is sometimes useful in logic circuits to have a multivibrator which…

Circuit Effects

Textbook

The principle of non-sinusoidal, repeating waveforms being equivalent…

The Triode

Textbook

De Forest’s Audion tube came to be known as the triode tube…

Temperature Coefficient of Resistance

Textbook

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

L-Match Impedance Matching Circuits

Tools

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

Biasing Techniques (JFET)

Textbook

555 Lab - Monostable Multivibrator (One-shot)

Textbook

In this hands-on electronics experiment, you will build a monostable multivibrator using a 555 timer IC and learn about RC time constant charging and how a one-shot timer operates.

The Junction Field-effect Transistor (JFET) as a Switch

Textbook

Like its bipolar cousin, the field-effect transistor may be used as an…

Vol IV. Credits

Textbook

All entries arranged in alphabetical order of surname. Major…

Energy, Work, and Power

Worksheets - Audio

Define the following terms: energy, work, and power.

LC Resonant Frequency Calculator

Tools

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.

Conductor Ampacity

Textbook

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

Simple Vector Addition

Textbook

Remember that vectors are mathematical objects just like numbers on a…

Vol II. Credits

Textbook

All entries arranged in alphabetical order of surname. Major…

Elementary Amplifier Theory

Worksheets - Audio

Fundamentally, an amplifier is a device that takes in a low-power…

Basic identities

Textbook

Additive Identity a + 0 = a Multiplicative Identity 1a = a…

Coax Inductance Calculator

Tools

A calculator for computing the inductance of a coaxial cable.

Don’t Care Cells in the Karnaugh Map

Textbook

Up to this point we have considered logic reduction problems where…

Component Modeling

Worksheets - Audio

When plotted on a curve tracer, the characteristic curve for a normal…