Categories

Frequency and Phase Measurement

Textbook

An important electrical quantity with no equivalent in DC circuits is…

Electromagnetic Induction

Textbook

While Oersted’s surprising discovery of electromagnetism paved…

Selsyn (Synchro) Motors

Textbook

Normally, the rotor windings of a wound rotor induction motor are…

Electric Shock

Worksheets - Wireless/RF

It is sometimes said regarding electrical safety that, Ït’s not the…

Signal Modulation

Worksheets - Wireless/RF

A modern method of electrical power control involves inserting a…

Waveguide Calculator (Circular)

Tools

This tool calculates the cutoff frequency of a circular waveguide

BJT Quirks

Textbook

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

Standing Waves and Resonance

Textbook

Whenever there is a mismatch of impedance between transmission line…

Other Diode Technologies

Textbook

Varicap or varactor diodes A variable capacitance diode is known as a…

Microstrip Wavelength Calculator

Tools

A tool designed to calculate the guided wavelength inside a microstrip.

Absolute dB scales

Textbook

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

Balanced Attenuator Calculator

Tools

This balanced attenuator calculator helps you determine the resistor (R1) values for a balanced attenuator.

What Is the Skin Effect?

Textbook

The Skin Depth of Copper in Electrical Engineering As previously…

Special Transformers and Applications

Textbook

Impedance Matching Because transformers can step voltage and current…

Polar Form and Rectangular Form Notation for Complex Numbers

Textbook

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

Microstrip Inductance Calculator

Tools

This calculator computes the inductance of a microstrip etched on a PCB.

Band-pass Filters

Textbook

How to Create Band-pass Filter There are applications where a…

Radar Maximum Range Calculator

Tools

This tool is designed to calculate the maximum distance (range) that a radar can detect

Amplifier Gain

Textbook

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

Passive Filter Circuits

Worksheets - Wireless/RF

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

Δ-Y and Y-Δ Conversions

Textbook

In many circuit applications, we encounter components connected…

Control Circuits

Textbook

Shock Current Path

Textbook

As we’ve already learned, electricity requires a complete path…

The Triode

Textbook

De Forest’s Audion tube came to be known as the triode tube…

Capacitor Impedance Calculator

Tools

This tool calculates a capacitor's reactance for a given capacitance value and signal frequency.

Design Project: Dual-output AC-DC Power Supply

Worksheets - Wireless/RF

Safety is very important when designing and/or building a device…

Historical, Nonmechanical Memory Technologies

Textbook

Perhaps the most ingenious technique was that of the delay line. A…

Factorials

Textbook

Definition of a Factorial Denoted by the symbol “!” after…

Precision Voltage Follower

Textbook

PARTS AND MATERIALS Operational amplifier, model 1458 or 353…

Contributors (11)

Textbook

Contributors to this chapter are listed in chronological order of…

Boolean Algebraic Identities

Textbook

In mathematics, an identity is a statement true for all possible…

EIRP Calculator

Tools

A helpful tool for computing the Effective Isotropic Radiated Power (EIRP) of an antenna

CMOS 555 Long Duration Red LED Flasher

Textbook

PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…

Derivative of a Constant

Textbook

    (“c” being a constant)   RELATED…

Parallel Resistor-Inductor Circuits

Textbook

Let’s take the same components for our series example circuit…

Introduction to Insulated-gate Field-effect Transistors

Textbook

As was stated in the last chapter, there is more than one type of…

The DIAC

Textbook

Like all diodes, Shockley diodes are unidirectional devices; that is,…

Circuit Effects

Textbook

The principle of non-sinusoidal, repeating waveforms being equivalent…

Digital Lab - Introduction

Textbook

In this collection of hands-on electronics experiments, build and test digital circuits and learn the fundamentals of digital logic circuits, including gates, counters, logic levels, hysteresis, memory, and more.

Resonant Filters

Textbook

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

Electrical Transients

Textbook

This chapter explores the response of capacitors and inductors to…

Trigonometry for AC Circuits

Worksheets - Wireless/RF

Identify which trigonometric functions (sine, cosine, or tangent) are…

Scientific Notation in SPICE

Textbook

The SPICE circuit simulation computer program uses scientific notation…

555 Monostable Multivibrator

Textbook

PARTS AND MATERIALS One 9V Battery Battery Clip (Radio Shack catalog #…

Power Density Calculator

Tools

A tool designed to calculate the power density of an antenna

Wire Stripline Impedance Calculator

Tools

A calculator for computing the impedance of a wire stripline.

Magnetism

Worksheets - Wireless/RF

A permanent magnet is a device that retains a magnetic field without…

Series R, L, and C

Textbook

Let’s take the following example circuit and analyze it:  …

Contributors (5)

Textbook

Contributors to this chapter are listed in chronological order of…

Light-Pulse Switch

Worksheets - Wireless/RF

It is fairly important to use large value resistors (10 MΩ works…

Design Project: Event Counter

Worksheets - Wireless/RF

If your event sensing switch is mechanical in nature, you will likely…

TTL NAND and AND gates

Textbook

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

MESFETs

Textbook

Differentiator and Integrator Circuits

Textbook

By introducing electrical reactance into the feedback loops of an…

Boolean Relationships on Venn Diagrams

Textbook

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

Performance-Based Assessments for Network Analysis Competencies

Worksheets - Wireless/RF

Millman’s Theorem

Worksheets - Wireless/RF

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

Applying Ohm’s Law—Rules and Methods for Circuit Analysis

Textbook

When analyzing complex series and parallel circuits, it is easy to…

Microprocessors

Textbook

Early computer science pioneers such as Alan Turing and John Von…

Inductor Voltage and Current Relationship

Textbook

Inductors do not have a stable “resistance” as conductors…