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Free Space Path Loss Calculator

Tools

This calculator calculates the free space loss, given the distance, frequency, and gain, between two antennas.

Network Topology

Textbook

Point-to-Point Connecting two digital devices with a network, would…

Bandpass Filter Calculator

Tools

This calculates values of the inductance, capacitance of an inductor and capacitor used in a Butterworth LC bandpass filter.

Reflection Attenuator Calculator

Tools

This tool is designed to calculate the value of resistance R1 in a reflection attenuator.

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.

Band-stop Filters

Textbook

How to Create a Band-stop Filter? Also called band-elimination,…

Voltage and Current Calculations

Textbook

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

Electromagnetic Induction

Textbook

While Oersted’s surprising discovery of electromagnetism paved…

What Is the Skin Effect?

Textbook

The Skin Depth of Copper in Electrical Engineering As previously…

Pulse Width Modulation

Textbook

Pulse Width Modulation (PWM) uses digital signals to control power…

Balanced Attenuator Calculator

Tools

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

Resonant Filters

Textbook

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

Data Flow

Textbook

Buses and networks are designed to allow communication to occur…

Low-pass Filters

Textbook

By definition, a low-pass filter is a circuit offering easy passage to…

Harmonics in Polyphase Power Systems

Textbook

In the chapter on mixed-frequency signals, we explored the concept of…

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.

Passive Filter Circuits

Worksheets - Antennas

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

RF Power Conversion Calculator

Tools

A tool designed to convert RF power from watts to decibels and vice versa

Skin Depth Calculator

Tools

A tool designed to calculate skin depth based on the conductive material being used and the frequency of the signal.

Temperature Converter

Tools

Convert between Celsius, Fahrenheit and Kelvin

Calculating Power Factor

Textbook

As was mentioned before, the angle of this “power…

Physical Effects of Electricity

Worksheets - Antennas

Certain substances are known to physically deform (shorten or…

Current Divider Circuits and the Current Divider Formula

Textbook

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

Microcontroller Principles

Worksheets - Antennas

Read the following quotation, and then research the term…

Impedance Matching With Transformers

Worksheets - Antennas

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

Contributors (6)

Textbook

Contributors to this chapter are listed in chronological order of…

Switches, Hand Actuated

Textbook

A switch is an electrical component that can “make” or…

Pulse Width Modulation

Textbook

Pulse Width Modulation (PWM) uses digital signals to control power…

Miscellaneous Diode Applications

Worksheets - Antennas

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

Voltmeter Impact on Measured Circuit

Textbook

Every meter impacts the circuit it is measuring to some extent, just…

Networks and Busses

Textbook

The wires between the tank and the monitoring location is  called…

Stripline Crosstalk Calculator

Tools

This tool is designed to calculate cross-talk coefficient and coupled voltage for a stripline

Free Space Path Loss Calculator

Tools

This calculator calculates the free space loss, given the distance, frequency, and gain, between two antennas.

Polar Form and Rectangular Form Notation for Complex Numbers

Textbook

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

A 50-Ohm Cable?

Textbook

Early in my explorations of electricity, I came across a length of…

Sensing AC Electric Fields

Textbook

PARTS AND MATERIALS Audio detector with headphones  …

Sensitive Audio Detector

Textbook

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

Series and Parallel Capacitors

Textbook

When capacitors are connected in series, the total capacitance is…

Design Project: Sensitive Microphone Amplifier

Worksheets - Antennas

Identify which direction each potentiometer wiper must move in this…