Don’t just sit there! Build something!! Learning to analyze relay…
Research the FCC (Federal Communication Commission) guidelines on…
One of the more fascinating applications of electricity is in the…
Schottky diodes Schottky diodes are constructed of a metal-to-N…
This calculator computes for the free space path loss between transmit and receive antennas.
(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…
What does the acronym RF stand form, in reference to radio-related…
“I think it is safe to say that no one understands quantum…
This tool is designed to calculate the power at the receiver using link budget analysis.
Before the advent of solid-state logic circuits, logical control…
Whenever electrons flow through a conductor, a magnetic field will…
The circuit in the previous section is not a very practical one. In…
Using the same value components in our series example circuit, we will…
For ease of drawing complex circuit diagrams, electronic amplifiers…
As an example of using several circuits together, we are going to make…
There are three basic factors of capacitor construction determining…
PARTS AND MATERIALS High-quality “closed-cup” audio…
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
PARTS AND MATERIALS IBM-compatible personal computer with sound card,…
Series and Parallel Resistances Series and Parallel…
Most of us have experienced some form of electric “shock,”…
If we take the equivalent circuit of an SCR and add another external…
So far, the phenomenon of resonance appears to be a useless curiosity,…
You might have been wondering how charges can continuously flow in a…
PARTS AND MATERIALS 6-volt battery Electromagnet made from experiment…
An electrical connector, is an electro-mechanical device used to join…
Don’t just sit there! Build something!! Learning to mathematically…
Quantum physics describes the states of electrons in an atom according…
This calculates the capacitance of a capacitor based on its charge, Q, and its voltage, V, according to the formula, C=Q/V.
SPICE analysis of Electrical Isolation Aside from the ability to…
Counting practice: count from zero to thirty-one in binary, octal, and…
While the binary numeration system is an interesting mathematical…
Computerized Fourier analysis, particularly in the form of the FFT…
Notice something important here: taking the derivative of f(x)…
“The nice thing about standards is that there are so many of…
PARTS AND MATERIALS 4017 decade counter/divider (Radio Shack catalog…
No text on electrical metering could be called complete without a…
In instrumentation circuitry, DC signals are often used as analog…
What would happen to this meter movement, if connected directly to a…
If your event sensing switch is mechanical in nature, you will likely…
Reactive Power We know that reactive loads such as inductors and…
This calculator helps you compute the characteristic impedance of an asymmetric stripline
Temperature coefficient (α) per degree C: Material Element/Alloy…
Because binary numeration requires so many bits to represent…
The logic simplification examples that we have done so far could have…
The earliest forms of digital data storage involving moving parts was…
The use of variable voltage for instrumentation signals seems a rather…
