Electronics Notes: reference site for electronics, radio & wireless

Electronics Notes, now incorporating Radio-Electronics.com provides radio & electronics tutorials and notes covering basic electronics concepts, components, radio technology, constructional techniques, ham radio, & electronics history…
Electronics Notes is written and run by Ian Poole

Antenna Beamforming & Beamsteering

Antenna beam forming and beam steering techniques are now being used for mobile and other forms of wireless communication. By electronically steering the antenna radiation pattern, it is possible to utilise spectrum better and provide considerably improved performance.

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What was GSM cellphone technology

GSM was the most successful second generation cellular telecommunications system, providing voice, SMS and very limited data, and it is still in widespread use today. Read more . .

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Electronics Notes Videos

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Ethernet Routers, Switches & Hubs: There is a lot of confusion over exactly what Ethernet routers, switches and hubs are - the terms are often used incorrectly to refer to any one of these network devices. Find out what they really are.
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What's on ElectronicsNotes:

Electronic components

Electronics Notes provides tutorials and information on many electronic components found in electronic circuits ranging from resistors and capacitors through simple semiconductors to complete integrated circuits. Introductions to in-depth information.

Construction

Whether at home or for a large manufacturing organisation with PCB assembly, etc, one of the key challenges is in building or manufacturing the electronic circuits.

Basic concepts

Learn about the basic electronics concepts including voltage, current, resistance and many basic calculations.

Radio

Radio technology is being used increasingly within everyday life. From broadcast radio and cellular phones to Wi-Fi and other wireless technologies it is widely used. Find out all you need to learn about radio and radio circuits on Electronics Notes.

Circuits & circuit design

Circuits and circuit design techniques for everthing from bipolar transistors and FETs to operational amplifiers, power supplies and much more.

Ham radio

Electronics Notes provides the tutorials and the basic information you need to know to get started and learn about the fascinating hobby of amateur radio from operating, Morse code and DXing through to summaries of the ham radio allocations.

Audio Visual

This section of Electronics Notes gives descriptions, summaries and tutorials about AV, Audio Visual topics from television to Hi-Fi and systems and from the interface standards like SCART, HDMI and the like to descriptions of loudspeakers, etc..

Antennas and propagation

Learn about antennas with our detailed notes, descriptions, summaries of antennas, what they are, how they work, antenna designs and also radio propagation - how radio signals travel.

Jobs & Careers

Career and job information for those interested in becoming an electronics engineer. Everything from what an electronics engineer may do, through to applying for a job, writing a CV and much more.
- Planning you career
- What is electronic engineering?

Technology History

The history of how the technolgy we know came about can be very interesting and instructive. Eveything from the very basic concepts of electronics from Ohm's Law and current through the telegraph, radios, & telecommunications, to current day mobile phone technology.

Biography of Ambrose Fleming

A biography of Professor Sir John Ambrose Fleming who is remembered for his left hand motor rule, became the first professor of electrical engineering in Britain and invented the diode valve.

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Antenna Beamforming & Beamsteering

What was GSM cellphone technology

Electronics Notes Videos

What's on ElectronicsNotes:

Buying Guides

Testing & Test Equipment

Connectivity

Electronic components

Construction

Basic concepts

Radio

Circuits & circuit design

Ham radio

Audio Visual

Antennas and propagation

Jobs & Careers

Technology History

Biography of Ambrose Fleming

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