Categories

Electromagnetic Induction

Textbook

While Oersted’s surprising discovery of electromagnetism paved…

Harmonic Phase Sequences

Textbook

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

Impedance Matching With Transformers

Worksheets - Wireless/RF

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

Band Theory of Solids

Textbook

Quantum physics describes the states of electrons in an atom according…

Waveguides

Textbook

A waveguide is a special form of transmission line consisting of a…

Digital Communication

Worksheets - Wireless/RF

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

What is a Filter?

Textbook

It is sometimes desirable to have circuits capable of selectively…

What Is the Skin Effect?

Textbook

The Skin Depth of Copper in Electrical Engineering As previously…

Bridged-Tee Attenuator Calculator

Tools

This calculator helps you determine the values of the resistors R1 and R2 to be used for a bridged-tee attenuator.

Design Project: Pulse-Width Modulation (PWM) Signal Generator

Worksheets - Wireless/RF

What shape of voltage waveform would you expect to measure (using an…

Peak Detector

Textbook

A peak detector is a series connection of a diode and a…

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

Mixed-Frequency Signals

Worksheets - Wireless/RF

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

Passive Filter Circuits

Worksheets - Wireless/RF

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

Review of R, X, and Z (Resistance, Reactance and Impedance)

Textbook

Before we begin to explore the effects of resistors, inductors, and…

Voltage and Current Calculations

Textbook

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

Op-Amp Practical Considerations

Textbook

Real operational amplifiers have some imperfections compared to an…

Resonant Filters

Textbook

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

Questions to Ask Before Proceeding

Textbook

Has the system ever worked before? If yes, has anything happened to…

Permanent Magnets

Textbook

Centuries ago, it was discovered that certain types of mineral rock…

Signal Coupling

Textbook

PARTS AND MATERIALS 6 volt battery One capacitor, 0.22 µF…

Parallel Wire Inductance Calculator

Tools

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

Op-Amp Data

Textbook

Parametric data for all semiconductor op-amp models except the CA3130…

Memory Devices

Worksheets - Wireless/RF

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

AC Waveforms

Worksheets - Wireless/RF

Radio waves are comprised of oscillating electric and magnetic fields,…

Wire Microstrip Impedance Calculator

Tools

A helpful tool for calculating the impedance of a wire microstrip.

Introduction to Analog Integrated Circuits

Textbook

Analog circuits are circuits dealing with signals free to vary from…

Design Project: DC Voltage Regulator

Worksheets - Wireless/RF

It may seem difficult to even start on a project such as this, with no…

Capacitor Charge and Time Constant Calculator

Tools

This calculator computes for the capacitor charge time and energy, given the supply voltage and the added series resistance.

Stepper Motor Calculator

Tools

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

Capacitor Sizing Equation

Textbook

Capacitance Formula     Permittivity of Dielectric  …

The Unijunction Transistor (UJT)

Textbook

Unijunction transistor: Although a unijunction transistor is not a…

Temperature Coefficient of Resistance

Worksheets - Wireless/RF

It is a common phenomenon for the electrical resistance of a substance…

Heat Sink Calculator

Tools

This calculator helps determine the maximum temperature a device can withstand

Contact “Normal” State and Make/Break Sequence

Textbook

Any kind of switch contact can be designed so that the contacts…

Binary Math

Worksheets - Wireless/RF

Counting practice: count from zero to thirty-one in binary, octal, and…

Flash ADC

Textbook

Also called the parallel A/D converter, this circuit is the simplest…

Basic AC-DC Power Supplies

Worksheets - Wireless/RF

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

Component Modeling

Worksheets - Wireless/RF

When plotted on a curve tracer, the characteristic curve for a normal…

Numbers and Symbols

Textbook

The expression of numerical quantities is something we tend to take…

Simple Combination Lock

Textbook

PARTS AND MATERIALS 4001 quad NOR gate (Radio Shack catalog #…

Superconducting Devices

Textbook

Superconducting devices, though not widely used, have some unique…

VSWR / Return Loss Calculator

Tools

A calculator designed to compute the VSWR, reflection coefficient, return loss and matching loss in a transmission line

Copper Wire Gauge Table

Textbook

Solid Cooper Wire Table Size Diameter (inches) Cross-sectional area…

Mesh Current Method and Analysis

Textbook

The Mesh-Current Method, also known as the Loop Current Method, is…

Wire Self Inductance Calculator

Tools

This calculator will help compute the inductance of a length of wire.

Complex Circuits

Textbook

What do we do if we come across a circuit more complex than the simple…

Data Flow

Textbook

Buses and networks are designed to allow communication to occur…

Oscillator Circuits

Worksheets - Wireless/RF

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

Performance-Based Assessments for Network Analysis Competencies

Worksheets - Wireless/RF

Algebraic Equation Manipulation for Electric Circuits

Worksheets - Wireless/RF

The electrical resistance of a conductor at any temperature may be…

Mixed-Frequency Signals

Worksheets - Wireless/RF

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

Resistance Calculator

Tools

This calculator calculates the resistivity of a component based on its resistance value, length, and cross-sectional area.

Parallel Wire Inductance Calculator

Tools

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

Other Waveshapes

Textbook

As strange as it may seem, any repeating, non-sinusoidal waveform is…

Larger 5 & 6-variable Karnaugh Maps

Textbook

Larger Karnaugh maps reduce larger logic designs. How large is large…

L-Match Impedance Matching Circuits

Tools

This calculator is designed to compute for the parameters needed to design a L-Match Impedance Circuit

CMOS Logic Gates

Worksheets - Wireless/RF

Counting practice: count from zero to thirty-one in binary, octal, and…

Electronics as Science

Textbook

Electronics is a science, and a very accessible science at that. With…

IGBTs

Textbook

Because of their insulated gates, IGFETs of all types have extremely…