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
An important electrical quantity with no equivalent in DC circuits is…
Textbook
A transmission line of infinite length is an interesting abstraction,…
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This calculator computes the resonant frequency of a parallel inductor and capacitor "tank" circuit.
Tools
A calculator for solving the maximum current a microstrip can handle.
Tools
Before we begin to explore the effects of resistors, inductors, and…
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It is sometimes said regarding electrical safety that, Ït’s not the…
Worksheets - Wireless/RF
In the chapter on mixed-frequency signals, we explored the concept of…
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A calculator designed to compute the VSWR, reflection coefficient, return loss and matching loss in a transmission line
Tools
In order to work with complex numbers without drawing vectors, we…
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An ideal transistor would show 0% distortion in amplifying a signal.…
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Since three-phase is used so often for power distribution systems, it…
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When lightning strikes, nearby magnetic compass needles may be seen to…
Worksheets - Wireless/RF
This calculator will convert voltage or power gains into decibels. Enter one of the three values and the calculator will output the other two.
Tools
As strange as it may seem, any repeating, non-sinusoidal waveform is…
Textbook
A calculator for solving the capacitance, reactance, and admittance of a capacitor.
Tools
This tool is designed to calculate the inductance of two parallel wires
Tools
A calculator for computing the inductance of a coaxial cable.
Tools
What is a harmonic frequency? If an oscillator circuit outputs a…
Worksheets - Wireless/RF
(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…
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Textbook
When a PCB designer speaks of dimensions in thous or mils, what does…
Worksheets - Wireless/RF
Write an equation describing the precise mathematical relationship…
Worksheets - Wireless/RF
Let’s begin with a semiconductor gate circuit in need of…
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The table method provides a structured methodology for ensuring you…
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This calculates values of the inductance, capacitance of an inductor and capacitor used in a Butterworth LC bandpass filter.
Tools
Synchronous motors load the power line with a leading power factor.…
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Input impedance varies considerably with the circuit configuration…
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In this hands-on semiconductor electronics experiment, build a BJT differential amplifier and learn about a fundamental building block that is the basis of most operational amplifiers.
Textbook
This calculator gives the reactance and admittance of an inductor or the inductance given the reactance of an inductor
Tools
A circuit with an inductor (L) and capacitor (C) connected in parallel or series will have a resonant frequency at which their impedances are equal. Given two of the three values—inductance, capacitance, or resonant frequency—this tool will calculate the missing third variable.
Tools
This page provides a step-by-step introduction to using the mesh…
Textbook
SPICE analysis of Electrical Isolation Aside from the ability to…
Textbook
In very simple, qualitative terms, rate the impedance of capacitors…
Worksheets - Wireless/RF
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Wireless/RF
The superposition theorem is one of those strokes of genius that takes…
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In this hands-on AC electronics experiment, build a variable conductor and learn the impact of a metal core placed inside an inductor coil has on the inductance.
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You may have wondered where we got that strange equation for the…
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Point-to-Point Connecting two digital devices with a network, would…
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When calculating the power dissipation of resistive components, we can…
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In this hands-on semiconductor electronics experiment, construct a three-stage common-emitter amplifier using bipolar junction transistors (BJTs) and learn about multi-stage gain and feedback.
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Cathode: This is the electrode that is heated and emits the…
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The Q factor of a series inductive circuit is given by the following…
Worksheets - Wireless/RF
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Wireless/RF
By now you should be well aware of the correlation between electrical…
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Electricity and Magnetism An electric current through a conductor will…
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Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Wireless/RF
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.
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Try out our Resistor Color Code Calculator in our Tools section.…
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Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Wireless/RF
In the simplest terms you can think of, define what an electrical…
Worksheets - Wireless/RF
The principle of non-sinusoidal, repeating waveforms being equivalent…
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In this hands-on semiconductor electronics experiment, build a half-wave rectifier circuit using a silicon diode and learn about the differences between permanent magnet motor operation on AC vs. DC power.
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This page will walk you step-by-step through the process of…
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There are four basic factors of inductor construction determining the…
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While the C-B (common-base) amplifier is known for wider bandwidth…
Textbook
An ideal transistor would show 0% distortion in amplifying a signal.…
Textbook
The superposition theorem is one of those strokes of genius that takes…
Textbook
No text on electrical metering could be called complete without a…
Textbook
Calculate the voltage output by the secondary winding of a transformer…
Worksheets - Wireless/RF