LETTER: There’s a simple way for SABC to leave analogue behind
17 September 2020 - 16:44
Lurking in the heart of most electronic equipment is a power supply that converts mains electricity (if available) to the low voltage needed by the transistors and integrated circuits they contain.
These power supplies rely on capacitors, generally fabricated from tantalum, which are small, inexpensive and reliable. However, they do need to be kept supplied with power, as otherwise they tend to develop internal short circuits...
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