Op Amp Gain-Bandwidth Product
When designing an op-amp circuit, one of the key issues is the balance between gain and bandwidth. Find out all you need to know.
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
How to Buy the Best Power Bank
Power banks are widely used for providing charge for portable devices whilst not he go. There is a huge variety, but which is the best one for your needs. Find out here.
Electronics Notes Videos
Overcoming the Coronavirus fallout
Now that many countries are beginning to ease lockdown, there are a few areas that have changed. We may have lost good friends and relatives, for whom we are sad. There are also changes to the way we work with many more people have tried working from home, and sadly many have lost jobs.
How to make simple videos: Many people have needed to make videos to explain techniques or as an instrument for teaching. It is not difficult, and many of us already have the equipment we need. Check out some ideas here . . . . .
Read more . . . . .
Setting up your own business: With the current lock down in many countries, many have lost jobs and others have time to think about setting up their own business as a passion they have long waited for or just to make sure they have a job. Here are some ideas.
Read more . . . . .
What's on ElectronicsNotes:
Buying Guides
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When looking to buy electronic gadgets, equipment, or even components, it helps to know what to look for. Check out our informed buying guides to make sure you buy the right item.
Testing & Test Equipment
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All aspects electronics testing, test methods, and test equipment including oscilloscopes, test meters, spectrum analyzers and all forms of test equipment.
Connectivity
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Connectivity both wired and wireless is an essential part of life today. Broadband, Wi-Fi, Bluetooth, mobile communications and many more forms of communication are all widely used.
Electronic components
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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.
Antennas and propagation
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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.
Construction
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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
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Learn about the basic electronics concepts including voltage, current, resistance and many basic calculations.
Radio
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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
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Circuits and circuit design techniques for everthing from bipolar transistors and FETs to operational amplifiers, power supplies and much more.
Ham radio
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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
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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..
Jobs & Careers
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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.
Technology History
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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.
History of the Vacuum Tube
Read all about the history of the vacuum tube or thermionic valve: initial discoveries, Fleming's diode valve, de Forest's Audion, the directly and indirectly heated cathodes, . . their rise and fall.
Focus on Test from Rohde & Schwarz offers a huge number of informative PDFs, white-papers, webinars videos and general information on many test topics.