One of the more fascinating applications of electricity is in the…
Varicap or varactor diodes A variable capacitance diode is known as a…
A modern method of electrical power control involves inserting a…
The Maximum Power Transfer Theorem is not so much a means of analysis…
What is a harmonic frequency? If an oscillator circuit outputs a…
Research the FCC (Federal Communication Commission) guidelines on…
An ideal transistor would show 0% distortion in amplifying a signal.…
This is a schematic for a simple VCO: The oscillator is of the RC…
In very simple, qualitative terms, rate the impedance of capacitors…
Impedance Matching Because transformers can step voltage and current…
What does the acronym RF stand form, in reference to radio-related…
The Skin Depth of Copper in Electrical Engineering As previously…
(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…
When an alternator produces AC voltage, the voltage switches polarity…
In the design of large and complex digital systems, it is often…
Define what noise means, in the electrical sense of the word. How does…
Just as devices have been made to measure certain physical quantities…
Since three-phase is used so often for power distribution systems, it…
Instrumentation is a field of study and work centering on measurement…
This tool calculates the dimensions of the microstrip patch antenna given the desired operating frequency.
Resonance in a Tank Circuit A condition of resonance will be…
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.
While Oersted’s surprising discovery of electromagnetism paved…
How to Create Band-pass Filter There are applications where a…
A calculator designed to compute the power-added efficiency (PAE) of an amplifier
The Maximum Power Transfer Theorem is not so much a means of analysis…
This calculator computes the inductance of a microstrip etched on a PCB.
If the burden of two systems of measurement for common quantities…
When an electric current is passed through a coil of wire, what…
Up to now, every circuit that was presented was a combinatorial…
The Q, or quality, factor of a resonant circuit is a measure of the…
What is Rectification? Now we come to the most popular application of…
A tool designed to calculate the noise figure of cascaded amplifiers
Limitations of Electromechanical Relays As versatile as…
Don’t just sit there! Build something!! Learning to mathematically…
In this introduction to series resistance circuits, we will explain…
Who Developed the Karnaugh Map? Maurice Karnaugh, a…
Periodic table of chemical elements.
∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…
Because of their insulated gates, IGFETs of all types have extremely…
A mathematician named DeMorgan developed a pair of important rules…
Because the relationship between voltage, current, and resistance in…
What is the purpose of a seven-segment decoder circuit? What is a…
Research the FCC (Federal Communication Commission) guidelines on…
Because octal and hexadecimal numeration systems have bases that are…
This calculator helps you determine the values of the resistors R1 and R2 to be used for a Pi Attenuator.
This calculator determines the total path loss provided by an RF n-way power splitter.
If a strip of conductive metal is stretched, it will become skinnier…
Given two lengths of metal wire, which one will have the least…
The singular reason for learning and using the binary numeration…
Practical Benefit of Active Devices The practical benefit of active…
Don’t just sit there! Build something!! Learning to mathematically…
SPICE is a computer program designed to simulate analog electronic…