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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.

The “Operational” Amplifier

Textbook

Long before the advent of digital electronic technology, computers…

Class A BJT Amplifiers

Worksheets - Data Converters

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

Impedance Matching With Transformers

Worksheets - Data Converters

Suppose you were to take a 3 kW electric heater rated for 240 VAC and…

Multiplexers and Demultiplexers

Worksheets - Data Converters

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

Basic Troubleshooting Strategies

Worksheets - Data Converters

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

Lorentz Force Calculator

Tools

This calculator will determine the combined Lorentz force exerted on a charged particle moving through both an electric field and a magnetic field.

Absolute dB scales

Textbook

Decibel as Absolute Unit of Power It is also possible to use the…

Active Filters

Worksheets - Data Converters

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

Oscillator Circuits

Worksheets - Data Converters

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

Tubes versus Semiconductors

Textbook

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

The Common-emitter Amplifier

Textbook

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

AC 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.

Inverting and Noninverting OpAmp Voltage Amplifier Circuits

Worksheets - Data Converters

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

Decibels

Textbook

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

Design Project: Audio Power Amplifier

Worksheets - Data Converters

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

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.

Basic Electromagnetism and Electromagnetic Induction

Worksheets - Data Converters

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

Series and Parallel AC Circuits

Worksheets - Data Converters

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

Analog Lab - Class B Audio Amplifier

Textbook

In this hands-on electronics experiment, build a Class B push-pull audio amplifier to drive a speaker and learn about crossover distortion and how to minimize it using negative feedback.

Si Lab - Light Sensor (LED Photodetector)

Textbook

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.

BJT Quirks

Textbook

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

Resonance

Worksheets - Data Converters

The Q factor of a series inductive circuit is given by the following…

AC Commutator Motors

Textbook

Charles Proteus Steinmetz’s first job after arriving in America…

Amplifier Gain

Textbook

The Voltage Gain Because amplifiers have the ability to increase the…

TTL NOR and OR gates

Textbook

TTL Circuit Analysis Let’s examine the following TTL circuit and…

The Command-line Interface

Textbook

If you’ve used DOS or UNIX operating systems before in a…

Simple Parallel (Tank Circuit) Resonance

Textbook

Resonance in a Tank Circuit A condition of resonance will be…

Basic Algebra and Graphing for Electric Circuits

Worksheets - Data Converters

Many different equations used in the analysis of electric circuits may…

Hand Calculator Use

Textbook

To enter numbers in scientific notation into a hand calculator, there…

Motor Control Circuits

Textbook

The interlock contacts installed in the previous section’s motor…

BJT Amplifier Troubleshooting

Worksheets - Data Converters

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

The NOT Gate

Textbook

The single-transistor inverter circuit illustrated earlier is actually…

Printed Circuit Board Layout and Manufacture

Worksheets - Data Converters

When a PCB designer speaks of dimensions in thous or mils, what does…

Active-mode Operation (JFET)

Textbook

JFETs, like bipolar transistors, are able to “throttle”…

Peak, Average, and RMS Measurements

Worksheets - Data Converters

How is it possible to assign a fixed value of voltage or current (such…

High Voltage Ohmmeters

Textbook

Most ohmmeters of the design shown in the previous section utilize a…

Power Measurement

Textbook

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

Intro Lab - Resistor Power Dissipation

Textbook

In this hands-on electronics experiment, you will examine the heat generated by resistors and maybe even make one smoke! Also, learn to calculate power dissipation using Joule's law and resistor power ratings.

Rectifying Diodes

Worksheets - Data Converters

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

Introduction to Bipolar Junction Transistors (BJT)

Textbook

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

Analog Lab - High-impedance Voltmeter

Textbook

In this hands-on electronics experiment, you will build a high-impedance voltmeter and learn about circuit loading and how to use op amps to reduce loading effects.

Boolean Arithmetic

Textbook

Let us begin our exploration of Boolean algebra by adding numbers…