Coax Cable / Feeder
Coax cable or coaxial feeder is used where it is necessary to transfer radio frequency signals from one place to another. Find out what coax cable / feeder is and all about its properties and how to use it.
Clear summaries & information about electronics, radio and connectivity.
Thank you for visiting Electronics Notes. On the site I aim to provide accessible summaries, information and notes covering many electronics topics including: electronics concepts, components, radio technology, manufacturing & constructional techniques, telecommunications & connectivity (mobile & wired), antenna technology & much more for those involved in electronics, radio, telecommunications and the associated industries.
Electronics Notes is written and run by Ian Poole
How Does an LED Work
Understand how an LED works with this complete yet understandable explanation of the operation of an LED.
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What's on ElectronicsNotes:
There is a huge variety of information on ElectronicsNotes ranging from the basic concepts through to 5G and more. Everything from electronic components, circuit designs, connectivity with everything from wired technologies like Ethernet, RS2432 and more to wireless technologies including mobile communications, Wi-Fi, IoT communications as well as radio and RF design antennas, and a host of other topics.
Find out all the information you need to know using our easily understood explanations.
Antennas & propagation
Antenna types, feeders & radio propagation
Audio-visual
Loudspeakers, microphones, HDMI, SCART, & much more
Basic concepts
Resistance, Ohm's law, capacitance to more advanced topics
Careers
Career advice, interviews, & becoming an engineer
Circuit Design
Circuits and their circuit design methodologies & details
Components
Electronic components including passive, active & ICs, etc
Connectivity
All forms of wired & wireless communications
Construction & manufacturing
Soldering (manual & automated) assembly,ESD precautions, etc
Eco / Green Engineering
Energy saving, green energy, green electronics
Radio & RF
Modulation, RF building blocks mixing, hybrids & more
Satellites
Satellites & satellite technology
Test Methods
Test equipment, technologies & test methods
Technology history
Discover some of the stories that detail how the foundations were set in place for today's technology.
We have a large number of pages devoted to pioneers, how technology was invented and developed as well as descriptions of many types of radio receiver, etc, etc.
History of the Superheterodyne Radio Receiver
The superheterodyne radio formed the basis of most radios for well over a century. In this article we trace its invention and development over this time.
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Electronics Notes aims to provide accessible summaries about a host of electronics, radio and connectivity technologies. Our aim is to support those who want to learn about the technology: those who ware established engineers as well as students and hobbyists.
The topics included in the site range from the basic electronics concepts (useful for established engineers as well looking for those equations, formulas etc) though topics like electronic components, construction and manufacturing techniques to items such as antennas, radio propagation, wired and wireless connectivity including mobile communications and a host of other topics.
To fund the running of the site, we obviously need to carry advertising, but we aim to make this not too intrusive. We hope you understand, but we need to have income to meet the not inconsiderable running costs.
