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Class A BJT Amplifiers

Worksheets - Data Converters

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

The “Operational” Amplifier

Textbook

Long before the advent of digital electronic technology, computers…

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.

Basic Electricity Worksheet

Worksheets - Data Converters

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

BJT Amplifier Troubleshooting

Worksheets - Data Converters

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

Active Filters

Worksheets - Data Converters

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

Passive Filter Circuits

Worksheets - Data Converters

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

Clipper and Clamper Circuits

Worksheets - Data Converters

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

Open-Loop OpAmp Circuits

Worksheets - Data Converters

Determine what the magnitude and polarity of the voltmeter’s…

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.

Design Project: Sensitive Audio Detector

Worksheets - Data Converters

The choice of step-down transformers to use in a project such as this…

Oscillator Circuits

Worksheets - Data Converters

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

Op-Amp Practical Considerations

Textbook

Real operational amplifiers have some imperfections compared to an…

Class B Audio Amplifier

Textbook

PARTS AND MATERIALS Four 6 volt batteries Dual operational amplifier,…

Design Project: Sensitive Microphone Amplifier

Worksheets - Data Converters

Identify which direction each potentiometer wiper must move in this…

Inverting and Noninverting OpAmp Voltage Amplifier Circuits

Worksheets - Data Converters

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

Basic Troubleshooting Strategies

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

Fundamentals of Radio Communication

Worksheets - Data Converters

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

Input and Output Coupling

Textbook

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

“Long’’ and “Short’’ Transmission Lines

Textbook

In DC and low-frequency AC circuits, the characteristic impedance of…

Mixed-Frequency Signals

Worksheets - Data Converters

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

Audio Oscillator

Textbook

PARTS AND MATERIALS Two 6-volt batteries Three NPN…

Vacuum Tube Audio Amplifier

Textbook

PARTS AND MATERIALS One 12AX7 dual triode vacuum tube Two power…

DC Lab - Capacitor Charging and Discharging

Textbook

In this hands-on electronics experiment, you will build capacitor charging and discharging circuits and learn how to calculate the RC time constant of resistor-capacitor circuits.

Decimal versus Binary Numeration

Textbook

Let’s count from zero to twenty using four different kinds of…

Resistance, Reactance, and Impedance

Worksheets - Data Converters

What will happen to the brightness of the light bulb as the iron core…

Basic Oscilloscope Operation

Worksheets - Data Converters

An oscilloscope is a very useful piece of electronic test equipment.…

Resistors

Textbook

Because the relationship between voltage, current, and resistance in…

Tesla Polyphase Induction Motors

Textbook

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

Metric Prefixes and Unit Conversions

Textbook

Metric Prefixes   Yotta = 1024 Symbol: Y Zetta = 1021 Symbol: Z…

Negative Feedback OpAmp Circuits

Worksheets - Data Converters

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

Kirchhoff’s Voltage Law (KVL)

Textbook

What is Kirchhoff’s Voltage Law (KVL)? The principle known as…

Electrical Noise and Interference

Worksheets - Data Converters

Define what noise means, in the electrical sense of the word. How does…

AC Motor Theory

Worksheets - Data Converters

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

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.

Soldering

Worksheets - Data Converters

Both soldering irons and soldering guns are tools used in the process…

Slope (integrating) ADC

Textbook

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

Special-purpose Batteries

Textbook

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

Wiring Color Codes Infographic

Textbook

Wiring Color Codes Infographic. Released under the Creative Commons…

Wires and Connections

Textbook

Older electrical schematics showed connecting wires crossing, while…

Superposition Theorem

Worksheets - Data Converters

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

Series Resistor-Capacitor Circuits

Textbook

In the last section, we learned what would happen in simple…

Stepper Motor Calculator

Tools

A tool designed to calculate the maximum speed, minimum time per step and maximum power of a stepper motor