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Current Divider Circuits

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

AC Motor Theory

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

Digital Display Circuits

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What is the purpose of a seven-segment decoder circuit? What is a…

Convert MCD to Lumens

Tools

This calculator is useful for calculating the luminous flux for LEDs where the angle is known.

Series LED Resistor Calculator

Tools

This series LED resistance calculator is perfect for when you have a single LED or a number of the same color of LEDs in series and need to know which resistor you should use.

Temperature Coefficients of Resistance Table

Textbook

Temperature coefficient (α) per degree C: Material Element/Alloy…

Basic identities

Textbook

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

Copper Wire Ampacity Table

Textbook

Ampacities of copper wire, in free air at 30o C: INSULATION TYPE…

Four-Channel Audio Mixer

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A very common misconception students have about potentiometers is the…

Contact “Bounce”

Textbook

When a switch is actuated and contacts touch one another under the…

Wires and Connections

Textbook

Older electrical schematics showed connecting wires crossing, while…

Series Circuits and the Application of Ohm’s Law

Textbook

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

Bipolar Junction Transistors

Textbook

The bipolar junction transistor (BJT) was named because its operation…

Polyphase Power Systems

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Explain the difference between a balanced polyphase system and an…

Ammeter Design

Textbook

Ammeters Measure Electrical Current A meter designed to measure…

AC Resistor Circuits (Capacitive)

Textbook

Pure resistive AC circuit: voltage and current are in phase.  …

Electrical Energy Calculator

Tools

This calculator will determine the instantaneous energy, sustained energy, and power consumed by an electrical system given two of the three electrical parameters (voltage, current, or resistance) and the time.

Class B Audio Amplifier

Textbook

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

Decoder

Textbook

A decoder is a circuit that changes a code into a set of signals. It…

Capacitors

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Identify some of the different types of capacitors, and their…

Common Sources of Hazard

Textbook

Of course, there is a danger of electrical shock when directly…

The common-drain Amplifier (JFET)

Textbook

RELATED WORKSHEETS: JFET Amplifiers Worksheet

DC Metrology

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Define the following metrological terms: • Uncertainty • Accuracy…

Performance-Based Assessments for Digital Circuit Competencies

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(Template)

Protective Relays

Textbook

A special type of relay is one that monitors the current, voltage,…

DC Mesh Current Analysis

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

Some Examples with AC Circuits

Textbook

Let’s connect three AC voltage sources in series and use complex…

Positive Feedback

Textbook

As we’ve seen, negative feedback is an incredibly useful…

Relay Construction

Textbook

Electricity and Magnetism An electric current through a conductor will…

Making a Venn Diagram Look Like a Karnaugh Map

Textbook

Starting with circle A in a rectangular A’ universe in figure…

Successive Approximation ADC

Textbook

One method of addressing the digital ramp ADC’s shortcomings is…

Inductive Reactance

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

The Tetrode

Textbook

As the name suggests, the tetrode tube contains four elements: cathode…

IGFET Amplifiers

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

Comparator with Hysteresis (Schmitt Trigger) Calculator

Tools

This calculator will compute the required resistor ratio (R2/R1) and reference voltage (VREF) to create the desired high (VTH) and low (VTL) threshold voltages in a non-inverting comparator circuit with hysteresis (commonly called a Schmitt trigger).

Power Added Efficiency Calculator

Tools

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

Power Quality Measurement

Textbook

It used to be with large AC power systems that “power…

Practical Considerations - Inductors

Textbook

Inductors, like all electrical components, have limitations which must…

The R/2nR DAC: Binary-Weighted-Input Digital-to-Analog Converter

Textbook

What Is a R/2nR DAC Circuit? The R/2nR DAC circuit, otherwise known as…

What is the Relationship Between Conductance and Resistance?

Textbook

The concept and measurement units of resistance are most often used…

Resistors Types

Textbook

These are the most common types of resistors available. Resistors…

AC Network Analysis

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

Conductors, Insulators, and Electron Flow

Textbook

The electrons of different types of atoms have different degrees of…

A Binary Adder

Textbook

Suppose we wanted to build a device that could add two binary bits…

From Electric to Electronic

Textbook

Introduction This third volume of the book series Lessons In Electric…