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Passive Filter Circuits

Worksheets - Microphones

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

Tubes versus Semiconductors

Textbook

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

Design Project: Audio Power Amplifier

Worksheets - Microphones

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

Summer and Subtractor OpAmp Circuits

Worksheets - Microphones

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

Decibel Calculator

Tools

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

Design Project: Sensitive Microphone Amplifier

Worksheets - Microphones

Identify which direction each potentiometer wiper must move in this…

AC Lab - Frequency Analysis

Textbook

In this hands-on AC electronics experiment, use the frequency spectrum display from an oscilloscope program to observe waveforms from a musical keyboard and learn about spectral analysis.

Feedback

Textbook

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

Impedance

Worksheets - Microphones

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

Clipper and Clamper Circuits

Worksheets - Microphones

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

Performance-Based Assessments for Semiconductor Circuit Competencies

Worksheets - Microphones

Parallel Resistor Calculator

Tools

Calculate the equivalent resistance of up to six resistors in parallel with ease while learning how to calculate resistance in parallel and the parallel resistance formula.

Four-Channel Audio Mixer

Worksheets - Microphones

A very common misconception students have about potentiometers is the…

AC Waveforms

Worksheets - Microphones

Radio waves are comprised of oscillating electric and magnetic fields,…

Basic Electromagnetism and Electromagnetic Induction

Worksheets - Microphones

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

Input and Output Coupling

Textbook

To overcome the challenge of creating necessary DC bias voltage for an…

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.

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.

Analog Lab - 555 Oscillator (Astable Multivibrator)

Textbook

In this hands-on electronics experiment, build an oscillator using a 555 timer and learn the theory of operation of the 555 timer when configured as an astable multivibrator.

Basic Troubleshooting Strategies

Worksheets - Microphones

A chandelier has five light bulbs in it, and one of them is not…

Microstrip Patch Antenna Calculator

Tools

This tool calculates the dimensions of the microstrip patch antenna given the desired operating frequency.

555 Lab - Introduction to the 555 Timer IC

Textbook

In this collection of hands-on electronics experiments, build and test mixed-signal analog and digital circuits using the versatile 555 timer IC. These projects will teach you about RC time constants, duty cycle, transistor current drive, LEDs, voltage doublers, and more.

Active Loads in Amplifier Circuits

Worksheets - Microphones

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

Why L/R and not LR?

Textbook

Learn About L/R Time Constants It is often perplexing to new students…

Class B BJT Amplifiers

Worksheets - Microphones

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

Basic Ohmmeter Use

Worksheets - Microphones

Explain how an ohmmeter is able to measure the resistance of a…

Don’t Care Cells in the Karnaugh Map

Textbook

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

Digital Lab - 7-segment LED Display

Textbook

In this hands-on electronics experiment, you will control a 7-segment binary-coded decimal (BCD) display and learn about active-low and active-high logic inputs.

JFET Quirks

Textbook

Conductors and Insulators

Worksheets - Microphones

Given two lengths of metal wire, which one will have the least…

Digital Lab - S-R Latch With Enable Input using NAND Gates

Textbook

In this hands-on electronics experiment, you will build an S-R latch with an enabled input using four NAND gates and learn more about digital circuit functionality.

TTL NAND and AND gates

Textbook

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

Memory Devices

Worksheets - Microphones

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

What Are Electric Circuits?

Textbook

You might have been wondering how charges can continuously flow in a…

Series Circuits and the Application of Ohm’s Law

Textbook

In this introduction to series resistance circuits, we will explain…

Tachogenerators

Textbook

An electromechanical generator is a device capable of producing…

Rules for Derivatives

Textbook

Constant rule Rule of sums Rule of differences Product rule Quotient…

Analog Lab - 555 Ramp Signal Generator

Textbook

In this hands-on electronics experiment, construct a signal generator circuit that creates two different types of ramp signals and learn how capacitors charge when connected to resistors and constant current sources.

Vol IV. Credits

Textbook

All entries arranged in alphabetical order of surname. Major…

Static Electricity

Worksheets - Microphones

What does it mean for an object to have an electric charge? Give an…