An important electrical quantity with no equivalent in DC circuits is…
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This calculator calculates the free space loss, given the distance, frequency, and gain, between two antennas.
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Since three-phase is used so often for power distribution systems, it…
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A high-pass filter’s task is just the opposite of a low-pass…
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Impedance Matching Because transformers can step voltage and current…
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This calculator helps you determine the values of the resistors R1 and R2 to be used for a Pi Attenuator.
Tools
This tool is designed to calculate the inductance of two parallel wires
Tools
(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…
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What shape of voltage waveform would you expect to measure (using an…
Worksheets - Wireless/RF
The Parallel Wires of Infinite Length Suppose, though, that we had a…
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Centuries ago, it was discovered that certain types of mineral rock…
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A tool designed to calculate the power density of an antenna
Tools
When an alternator produces AC voltage, the voltage switches polarity…
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Decibel as Absolute Unit of Power It is also possible to use the…
Textbook
What is Conductance? In the study of DC circuits, the student of…
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In DC and low-frequency AC circuits, the characteristic impedance of…
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A helpful tool for computing the Effective Isotropic Radiated Power (EIRP) of an antenna
Tools
Resonance in a Tank Circuit A condition of resonance will be…
Textbook
This calculator determines the total path loss provided by an RF n-way power splitter.
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
Designing Wire Resistance Conductor ampacity rating is a crude…
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When calculating the power dissipation of resistive components, we can…
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This calculator computes the inductance of a wire coil.
Tools
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Wireless/RF
In many disciplines of science and engineering, very large and very…
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Thomas Edison, that prolific American inventor, is often credited with…
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This series LED resistance calculator is perfect for when you have a single LED or a number of the same color of LEDs in series and need to know which resistor you should use.
Tools
A diode is an electronics component made from a combination of a…
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In this hands-on AC electronics experiment, build a large AC permanent capacitor split-phase induction motor and learn the principles of AC induction motor function.
Textbook
So far, we’ve been analyzing single-battery, single-resistor…
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As a first example of useful combinational logic, let’s build a…
Textbook
Radio waves are comprised of oscillating electric and magnetic fields,…
Worksheets - Wireless/RF
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Wireless/RF
In this hands-on electronics experiment, build and test a 2-input digital NAND gate with LED indicators and learn to read pinout diagrams, power a digital IC, connect unused inputs and outputs, and use pulldown resistors.
Textbook
Suppose I were about to measure an unknown voltage with a manual-range…
Worksheets - Wireless/RF
In this hands-on electronics experiment, you will build an analog integrator using an operational amplifier and learn about integration functions, op amp input bias currents, and how to limit the voltage swing of a potentiometer.
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Connecting digital circuitry to sensor devices is simple if the sensor…
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In the common-emitter section of this chapter, we saw a SPICE analysis…
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In this hands-on electronics experiment, you will build an op amp voltage follower and learn about negative feedback in operational amplifier circuits.
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As we’ve already learned, electricity requires a complete path…
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Wire-by-Number project: simple voltage divider Description: Build a…
Worksheets - Wireless/RF
Associative Property In addition and multiplication, terms may be…
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The term “combinational” comes to us from mathematics. In…
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In this hands-on electronics experiment, build and test an automated circuit that sequentially flashes 10 LED, and learn about counters, frequency dividers, and switch debouncing.
Textbook
To express a quantity in a different metric prefix from how it was…
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This calculator helps you compute the inductance of a wire loop.
Tools
This calculator helps you determine the values of the resistors R1 and R2 to be used for a T-pad attenuator.
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
As we saw in a few SPICE analyses earlier in this chapter, the output…
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This calculator helps you compute the inductance of a rectangle loop.
Tools
In designing digital circuits, the designer often begins with a truth…
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When capacitors are connected in series, the total capacitance is…
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The Rules of Binary Addition Adding binary numbers is a very simple…
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(“c” being a constant) RELATED…
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The smaller the cross-sectional area of any given wire, the greater…
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“Advances are made by answering questions. Discoveries are made…
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Most integrated circuits are digital, based on MOS (CMOS) transistors.…
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The voltage divider is a circuit used to create a voltage less than or equal to the input voltage.
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In this hands-on AC electronics experiment, use a PC-based oscilloscope program to observe waveforms from a musical keyboard and learn basic oscilloscope operation.
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Superconducting devices, though not widely used, have some unique…
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