Early in my explorations of electricity, I came across a length of…
Textbook
This balanced attenuator calculator helps you determine the resistor (R1) values for a balanced attenuator.
Tools
In very simple, qualitative terms, rate the impedance of capacitors…
Worksheets - Modulation
What voltage will you choose to use for each of the station batteries?
Worksheets - Modulation
Early in my explorations of electricity, I came across a length of…
Textbook
This calculator will determine the correct antenna downtilt angle given the heights of the antennas and distance between them.
Tools
A helpful tool for computing the Effective Isotropic Radiated Power (EIRP) of an antenna
Tools
Don’t just sit there! Build something!! Learning to analyze digital…
Worksheets - Modulation
The Q, or quality, factor of a resonant circuit is a measure of the…
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 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
A Link Budget puts into account all gains and losses a signal goes through in a system as it is transmitted. The calculator calculates the power of the received signal given amplifier and antenna gains, and medium loss.
Tools
This tool is designed to calculate the maximum distance (range) that a radar can detect
Tools
This calculator helps you determine the values of the resistors R1 and R2 to be used for a bridged-tee attenuator.
Tools
In this hands-on electronics experiment, you will connect batteries in parallel to power a light and learn the relationship between the individual battery currents and the total system current.
Textbook
A voltage multiplier is a specialized rectifier circuit producing…
Textbook
In this hands-on semiconductor experiment, build an improved full-wave rectifier with output filtering and learn about capacitive filtering in AC-to-DC power converters.
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Modulation
Contributors to this chapter are listed in chronological order of…
Textbook
If you’ve used DOS or UNIX operating systems before in a…
Textbook
A wound rotor induction motor has a stator like a squirrel cage…
Textbook
In this electrical circuit, trace the direction of current through the…
Worksheets - Modulation
Note, Q3 and Q4 in the figure below are complementary, NPN and PNP…
Textbook
Pulse Width Modulation (PWM) uses digital signals to control power…
Textbook
A calculator designed to calculate the trace width of a stripline based on the maximum current rating
Tools
In this introduction to parallel resistance circuits, we will explain…
Textbook
For ease of drawing complex circuit diagrams, electronic amplifiers…
Textbook
This calculator will determine the square root, cube root, or nth root of a given number, x.
Tools
Learn About L/R Time Constants It is often perplexing to new students…
Textbook
In an astable circuit, the output voltage alternates between VCC and 0 volts on a continuous basis. This calculator will help you design an oscillator using a 555 timer IC.
Tools
The time constant of a series RC circuit is the product of the resistance and capacitance. Given two of the three values—resistance, capacitance, or RC time constant—this tool will calculate the missing third variable.
Tools
Most ohmmeters of the design shown in the previous section utilize a…
Textbook
Every meter impacts the circuit it is measuring to some extent, just…
Textbook
Brushless DC motors were developed from conventional brushed DC motors…
Textbook
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