Thyristor / SCR
The thyristor or silicon controlled rectifier issued for many electronic and electrical switching applications where they are used rather than mechanical relays that tend to be far less reliable.
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
Logic Probe
All the key details about what a logic probe is and how to use one for fault finding and checking the operation of a logic circuit.
Electronics Notes Videos
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HDMI Connectors: Knowing about the different types of HDMI connector, ensures that the right cables and other attachments are bought. If not then many adaptors are available. Read more . . . . .
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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.
Morse Key Development
A history of the developments made to the Morse key from the earliest Correspondent key made by Alfred Vail through the Camelback, Steel lever Key, military keys to the semi-automatic and fully automatic bug keys.
Focus on Test from Rohde & Schwarz offers a huge number of informative PDFs, white-papers, webinars videos and general information on many test topics.