This tool calculates the dimensions of the microstrip patch antenna given the desired operating frequency.
Tools
Given three of the four input parameters (refractive indices, angles of incidence, and refraction) this tool calculates the missing variable based on Snell's law.
Tools
A modern alternative to sending (binary) digital information via…
Textbook
The Skin Depth of Copper in Electrical Engineering As previously…
Textbook
This tool is designed to convert power ratios to decibel
Tools
In very simple, qualitative terms, rate the impedance of capacitors…
Worksheets - Antennas
What is a harmonic frequency? If an oscillator circuit outputs a…
Worksheets - Antennas
Don’t just sit there! Build something!! Learning to analyze digital…
Worksheets - Antennas
This calculator calculates the free space loss, given the distance, frequency, and gain, between two antennas.
Tools
Impedance Matching Because transformers can step voltage and current…
Textbook
In the design of large and complex digital systems, it is often…
Textbook
This tool is designed to calculate the maximum distance (range) that a radar can detect
Tools
An ideal transistor would show 0% distortion in amplifying a signal.…
Textbook
With BogusBus, our signals were very simple and straightforward: each…
Textbook
(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…
Textbook
This calculator allows you to solve for any of the six variables in the Friis formula for RF transmission: transmitter power, transmitter gain, receiver power, receiver gain, frequency, or distance.
Tools
One of the more fascinating applications of electricity is in the…
Textbook
Whenever there is a mismatch of impedance between transmission line…
Textbook
Just as devices have been made to measure certain physical quantities…
Textbook
Normally, the rotor windings of a wound rotor induction motor are…
Textbook
A tool designed to calculate the noise figure of cascaded amplifiers
Tools
In DC and low-frequency AC circuits, the characteristic impedance of…
Textbook
A transmission line of infinite length is an interesting abstraction,…
Textbook
Normally, the rotor windings of a wound rotor induction motor are…
Textbook
Whenever there is a mismatch of impedance between transmission line…
Textbook
While Oersted’s surprising discovery of electromagnetism paved…
Textbook
Real operational amplifiers have some imperfections compared to an…
Textbook
A helpful tool for calculating the impedance of a coaxial cable.
Tools
Standing waves at the resonant frequency points of an open- or…
Textbook
The Parallel Wires of Infinite Length Suppose, though, that we had a…
Textbook
A calculator for solving the maximum current a microstrip can handle.
Tools
This tool calculates the cutoff frequency of a rectangular waveguide
Tools
The Q, or quality, factor of a resonant circuit is a measure of the…
Textbook
Since three-phase is used so often for power distribution systems, it…
Textbook
A calculator for computing the inductance of a coaxial cable.
Tools
Computerized Fourier analysis, particularly in the form of the FFT…
Textbook
Given three of the four input parameters (refractive indices, angles of incidence, and refraction) this tool calculates the missing variable based on Snell's law.
Tools
This tool is designed to calculate the value of resistance R1 in a reflection attenuator.
Tools
This is a schematic for a simple VCO: The oscillator is of the RC…
Worksheets - Antennas
Pulse Width Modulation (PWM) uses digital signals to control power…
Textbook
Whenever there is a mismatch of impedance between transmission line…
Textbook
Parametric data for all semiconductor op-amp models except the CA3130…
Textbook
Now we can proceed to studying specific types of digital storage…
Textbook
Digital computers communicate with external devices through ports:…
Worksheets - Antennas
In this hands-on electronics experiment, build an S-R latch using two NOR gates and learn how this type of digital memory operates, including invalid states, race conditions, and the effects of output loading.
Textbook
In the beam power tube, the basic four-element structure of the…
Textbook
The Voltage Gain Because amplifiers have the ability to increase the…
Textbook
If two coils of wire are brought into close proximity with each other…
Textbook
Note that the direction of the arrow at the gate indicates the…
Textbook
Whenever electrons flow through a conductor, a magnetic field will…
Textbook
Contributors to this chapter are listed in chronological order of…
Textbook
Identify which direction each potentiometer wiper must move in this…
Worksheets - Antennas
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Antennas
As an example of using several circuits together, we are going to make…
Textbook
In this hands-on electronics experiment, construct a signal generator circuit that creates two different types of ramp signals and learn how capacitors charge when connected to resistors and constant current sources.
Textbook
In this hands-on electronics experiment, you will build a pulse-width modulator power controller for a light and learn the basics of PWM signals.
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Antennas
Suppose we wanted to build a device that could add two binary bits…
Textbook
Practical Benefit of Active Devices The practical benefit of active…
Textbook
Ampacities of copper wire, in free air at 30o C: INSULATION TYPE…
Textbook