Categories

Factors Affecting Capacitance

Textbook

There are three basic factors of capacitor construction determining…

Inductor Sizing Equation

Textbook

The Inductance Formula     Wheeler’s formulas for…

Active Filters

Worksheets - Passives

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

Sensitive Voltage Detector

Textbook

PARTS AND MATERIALS High-quality “closed-cup” audio…

Parallel DC Circuits Practice Worksheet With Answers

Worksheets - Passives

In this circuit, three resistors receive the same amount of voltage…

Building Simple Resistor Circuits

Textbook

In the course of learning about electricity, you will want to…

Magnetic Units of Measurement

Worksheets - Passives

In electric circuits, the three basic quantities are voltage (E or V),…

PN Junctions

Worksheets - Passives

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

Voltage and Current Calculations

Textbook

There’s a sure way to calculate any of the values in a reactive…

Resonant Filters

Textbook

So far, the filter designs we’ve concentrated on have employed…

Calculating Electric Power

Textbook

Learn the Power Formula We’ve seen the formula for determining…

Fundamentals of Radio Communication

Worksheets - Passives

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

Inductance, Reactance, and Admittance Calculator

Tools

This calculator gives the reactance and admittance of an inductor or the inductance given the reactance of an inductor

AC Inductor Circuits

Textbook

Resistors vs. Inductors Inductors do not behave the same way as…

Digital Logic Signals

Worksheets - Passives

A rheostat (variable resistor) and a switch are both examples of…

Inverting Op-Amp Resistor Calculator

Tools

This calculator determines the bias and feedback of resistors for an inverting op-amp.

Series-parallel R, L, and C

Textbook

Now that we’ve seen how series and parallel AC circuit analysis…

Kelvin (4-wire) Resistance Measurement

Textbook

Suppose we wished to measure the resistance of some component located…

SPICE Quirks

Textbook

“Garbage in, garbage out.” —Anonymous SPICE is a…

AC Bridge Circuits

Textbook

As we saw with DC measurement circuits, the circuit configuration…

Introduction to Digital Integrated Circuits

Textbook

Digital circuits are circuits dealing with signals restricted to the…

Binary Subtraction

Textbook

We can subtract one binary number from another by using the standard…

Bit Grouping

Textbook

The singular reason for learning and using the binary numeration…

Decibels Equations

Textbook

  RELATED WORKSHEETS: Decibel Measurements Worksheet

Simple Series Circuits

Textbook

On this page, we’ll outline the three principles you should…

Transistor Ratings and Packages (IGFET)

Textbook

Introduction to Network Theorems

Textbook

Anyone who’s studied geometry should be familiar with the…

Antenna Downtilt and Coverage Calculator

Tools

This calculator will determine the correct antenna downtilt angle given the heights of the antennas and distance between them.

Boolean Relationships on Venn Diagrams

Textbook

The fourth example has A partially overlapping B. Though, we will…

Binary Addition

Textbook

The Rules of Binary Addition Adding binary numbers is a very simple…

Parallel Wire Inductance Calculator

Tools

This tool is designed to calculate the inductance of two parallel wires

Wire-by-Number project kit introduction

Worksheets - Passives

Wire-by-Number project: simple voltage divider Description: Build a…

Special Transformers and Applications

Textbook

Impedance Matching Because transformers can step voltage and current…

Early Tube History

Textbook

Thomas Edison, that prolific American inventor, is often credited with…

High Voltage Ohmmeters

Textbook

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

Capacitance, Reactance, and Admittance Calculator

Tools

A calculator for solving the capacitance, reactance, and admittance of a capacitor.

Kelvin (4-wire) Resistance Measurement

Textbook

Suppose we wished to measure the resistance of some component located…

High-pass Filters

Textbook

A high-pass filter’s task is just the opposite of a low-pass…

Current Signal Systems

Textbook

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

Phase-locked Loops

Textbook

What Is the Skin Effect?

Textbook

The Skin Depth of Copper in Electrical Engineering As previously…

Polar Form and Rectangular Form Notation for Complex Numbers

Textbook

In order to work with complex numbers without drawing vectors, we…

Basic Logic Gates

Worksheets - Passives

Identify the type of logic gate shown in this schematic diagram, and…

BJT Amplifier Troubleshooting

Worksheets - Passives

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

Current Divider Circuits and the Current Divider Formula

Textbook

A parallel circuit is often called a current divider for its ability…

Introduction to Karnaugh Mapping

Textbook

Why learn about Karnaugh maps? The Karnaugh map, like Boolean…

Resonance

Worksheets - Passives

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

Voltage Signal Systems

Textbook

The use of variable voltage for instrumentation signals seems a rather…

Potentiometer as a Voltage Divider

Textbook

PARTS AND MATERIALS Two 6-volt batteries Carbon pencil…

Why L/R and not LR?

Textbook

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

Introduction to Digital Integrated Circuits

Textbook

Digital circuits are circuits dealing with signals restricted to the…

Introduction to Combinational Logic Functions

Textbook

The term “combinational” comes to us from mathematics. In…

Strain Gauges

Textbook

If a strip of conductive metal is stretched, it will become skinnier…

Bipolar Junction Transistors

Textbook

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

Analog and Digital Signals

Textbook

Instrumentation is a field of study and work centering on measurement…

Trigonometric Equivalencies

Textbook

AC Voltmeters and Ammeters

Textbook

AC electromechanical meter movements come in two basic arrangements:…

Ammeter Impact on Measured Circuit

Textbook

Just like voltmeters, ammeters tend to influence the amount of…

Phase Shift

Textbook

PARTS AND MATERIALS Low-voltage AC power supply Two capacitors, 0.1…

Harmonic Phase Sequences

Textbook

In the last section, we saw how the 3rd harmonic and all of its…