Categories

Coax Inductance Calculator

Tools

A calculator for computing the inductance of a coaxial cable.

Microstrip Patch Antenna Calculator

Tools

This tool calculates the dimensions of the microstrip patch antenna given the desired operating frequency.

Coax Impedance Calculator

Tools

A helpful tool for calculating the impedance of a coaxial cable.

EIRP Calculator

Tools

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

Electromagnetic Induction

Textbook

While Oersted’s surprising discovery of electromagnetism paved…

Fundamentals of Radio Communication

Worksheets - Wireless/RF

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

Harmonic Phase Sequences

Textbook

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

Waveguides

Textbook

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

Pi Attenuator Calculator

Tools

This calculator helps you determine the values of the resistors R1 and R2 to be used for a Pi Attenuator.

Absolute dB scales

Textbook

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

Bandpass Filter Calculator

Tools

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

Design Project: Radio Transmitter

Worksheets - Wireless/RF

Research the FCC (Federal Communication Commission) guidelines on…

Radar Maximum Range Calculator

Tools

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

Networks and Busses

Textbook

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

Power Added Efficiency Calculator

Tools

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

Capacitance, Reactance, and Admittance Calculator

Tools

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

RF Power Ratio Conversion Calculator

Tools

This tool is designed to convert power ratios to decibel

Friis Transmission Calculator

Tools

This calculator computes the power received by an antenna using Friis formula

Radio Circuits

Textbook

(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…

T-Pad Attenuator Calculator

Tools

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

Networks and Busses

Textbook

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

Inductors

Worksheets - Wireless/RF

∫f(x) dx Calculus alert! A 5 H inductor is subjected to an electric…

Introduction to AC Motors

Textbook

After the introduction of the DC electrical distribution system by…

Variable Inductor

Textbook

PARTS AND MATERIALS Paper tube, from a toilet-paper roll Bar of iron…

Microstrip Inductance Calculator

Tools

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

Power in Electric Circuits

Textbook

In addition to voltage and current, there is another important…

Why digital?

Textbook

Although many textbooks provide good introductions to digital memory…

Network Protocols

Textbook

Aside from the issues of the physical network (signal types and…

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

Worksheets - Wireless/RF

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

Design Project: Power Inverter

Worksheets - Wireless/RF

A common topology for DC-AC power converter circuits uses a pair of…

What Are Electric Circuits?

Textbook

You might have been wondering how charges can continuously flow in a…

The Silicon-Controlled Rectifier (SCR)

Textbook

Shockley Diodes and Silicon Controlled Rectifiers (SCRs) Shockley…

Safe Meter Usage

Textbook

Using an electrical meter safely and efficiently is perhaps the most…

Contributors (15)

Textbook

Contributors to this chapter are listed in chronological order of…

Millman’s Theorem

Worksheets - Wireless/RF

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

Transistors, junction field-effect (JFET)

Textbook

Note that the direction of the arrow at the gate indicates the…

“Ladder” Diagrams

Textbook

Ladder diagrams are specialized schematics commonly used to document…

Oscillator Circuits

Worksheets - Wireless/RF

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

Analog-to-Digital Conversion

Worksheets - Wireless/RF

The circuit shown here is a four-bit analog-to-digital converter…

True, Reactive, and Apparent Power

Textbook

Reactive Power We know that reactive loads such as inductors and…

Microstrip Trace Width Calculator

Tools

This tool is designed to compute for the trace width of a microstrip

Tubes versus Semiconductors

Textbook

Devoting a whole chapter in a modern electronics text to the design…

Microstrip Wavelength Calculator

Tools

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

Peak Voltage Calculator

Tools

The peak voltage calculator calculates peak voltage values from the peak-to-peak voltage, RMS voltage, or average voltage.

Calculating Electric Power

Textbook

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

Fuses

Textbook

Normally, the ampacity rating of a conductor is a circuit design…

A Binary Adder

Textbook

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

Finite-state Machine

Textbook

Feedback is a fascinating engineering principle. It can turn a rather…

Calculating Power Factor

Textbook

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

Mutual Inductance

Textbook

If two coils of wire are brought into close proximity with each other…

Ohmmeter Usage

Textbook

Parts and Materials Multimeter, digital or analog Assorted resistors…

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.

Passive Filter Circuits

Worksheets - Wireless/RF

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

Some Examples with AC Circuits

Textbook

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

Introduction to SPICE

Textbook

“With Electronics Workbench, you can create circuit schematics…

Bipolar Junction Transistors as Switches

Worksheets - Wireless/RF

Solid-state switching circuits usually keep their constituent…

DC Transducers

Worksheets - Wireless/RF

Research and describe what the Hall effect is, and list some practical…

Boolean Algebraic Properties

Textbook

Another type of mathematical identity, called a “property”…

Vol III. Credits

Textbook

All entries arranged in alphabetical order of surname. Major…

Impedance

Worksheets - Wireless/RF

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