Categories

Friis Transmission Calculator

Tools

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

Networks and Busses

Textbook

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

Electrical Signal Types

Textbook

With BogusBus, our signals were very simple and straightforward: each…

Pulse Width Modulation

Textbook

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

Attenuators

Textbook

What is Attenuators? Attenuators are passive devices. It is…

Digital Communication

Worksheets - Modules

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

Fundamentals of Radio Communication

Worksheets - Modules

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

Network Protocols

Textbook

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

Standing Waves and Resonance

Textbook

Whenever there is a mismatch of impedance between transmission line…

Special Transformers and Applications

Textbook

Impedance Matching Because transformers can step voltage and current…

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

Worksheets - Modules

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

Other Diode Technologies

Textbook

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

Passive Filter Circuits

Worksheets - Modules

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

Selsyn (Synchro) Motors

Textbook

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

Phase-Locked Loops

Worksheets - Modules

This is a schematic for a simple VCO: The oscillator is of the RC…

Principles of Radio

Textbook

One of the more fascinating applications of electricity is in the…

Waveguides

Textbook

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

Mixed-Frequency Signals

Worksheets - Modules

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

Signal Modulation

Worksheets - Modules

A modern method of electrical power control involves inserting a…

Radio Circuits

Textbook

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

Mixed-Frequency Signals

Worksheets - Modules

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

Free Space Path Loss Calculator

Tools

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

Simple Parallel (Tank Circuit) Resonance

Textbook

Resonance in a Tank Circuit A condition of resonance will be…

Parallel Wire Inductance Calculator

Tools

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

Signal Modulation

Worksheets - Modules

A modern method of electrical power control involves inserting a…

More on Spectrum Analysis

Textbook

Computerized Fourier analysis, particularly in the form of the FFT…

Reflection Attenuator Calculator

Tools

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

LC Tank Circuit Resonance Calculator

Tools

This calculator computes the resonant frequency of a parallel inductor and capacitor "tank" circuit.

Capacitance, Reactance, and Admittance Calculator

Tools

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

Waveguide Calculator (Rectangular)

Tools

This tool calculates the cutoff frequency of a rectangular waveguide

Introduction to Digital Communication

Textbook

In the design of large and complex digital systems, it is often…

Inverting and Noninverting OpAmp Voltage Amplifier Circuits

Worksheets - Modules

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

Friis Transmission Calculator

Tools

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

VSWR / Return Loss Calculator

Tools

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

RF Power Ratio Conversion Calculator

Tools

This tool is designed to convert power ratios to decibel

What Is the Skin Effect?

Textbook

The Skin Depth of Copper in Electrical Engineering As previously…

Microstrip Wavelength Calculator

Tools

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

What is Network Analysis?

Textbook

Generally speaking, network analysis is any structured technique used…

Square Wave Signals

Textbook

It has been found that any repeating, non-sinusoidal waveform can be…

MESFETs

Textbook

Shift Registers: Parallel-in, Serial-out (PISO) Conversion

Textbook

Parallel-in/ serial-out shift registers do everything that the…

High-impedance Voltmeter

Textbook

PARTS AND MATERIALS Operational amplifier, model TL082 recommended…

Practical Considerations of ADC Circuits

Textbook

Perhaps the most important consideration of an ADC is its resolution.…

Voltmeter Impact on Measured Circuit

Textbook

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

Contributors (9)

Textbook

Contributors to this chapter are listed in chronological order of…

Arithmetic Properties

Textbook

Associative Property In addition and multiplication, terms may be…

Metric Notation

Textbook

The metric system, besides being a collection of measurement units for…

AC Waveforms

Worksheets - Modules

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

Comparator with Hysteresis (Schmitt Trigger) Calculator

Tools

This calculator will compute the required resistor ratio (R2/R1) and reference voltage (VREF) to create the desired high (VTH) and low (VTL) threshold voltages in a non-inverting comparator circuit with hysteresis (commonly called a Schmitt trigger).

Look-up Tables

Textbook

Having learned about digital memory devices in the last chapter, we…

Vol VI. Credits

Textbook

All entries arranged in alphabetical order of surname. Major…

Arithmetic with Scientific Notation

Textbook

The benefits of scientific notation do not end with ease of writing…

Basic Electromagnetic Relays

Worksheets - Modules

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

The Junction Field-effect Transistor (JFET) as a Switch

Textbook

Like its bipolar cousin, the field-effect transistor may be used as an…

Elementary Circuits

Worksheets - Modules

In the simplest terms you can think of, define what an electrical…

TTL Logic Gates

Worksheets - Modules

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

Junction Field-effect Transistors

Textbook

The field effect transistor was proposed by Julius Lilienfeld in US…

Precision Voltage Follower

Textbook

PARTS AND MATERIALS Operational amplifier, model 1458 or 353…

Three-phase Transformer Circuits

Textbook

Since three-phase is used so often for power distribution systems, it…