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| View Original: | Variable power supply using switched multiple tap transformer.jpg (1140x1446) | |||
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| Keywords: Variable power supply using switched multiple tap transformer.jpg This is the inside of a wall wart style variable power supply The large component with yellow parts is a transformer with several 'tappings' By connecting to different tappings different voltages can be produced Full wave rectification is provided by four silicon diodes the black-and-grey components above the rightmost switch arranged as a rectifier Smoothing is provided by the large black capacitor The resistor seen on the left regulates voltage to the status LED Mike1024 2005-11-08 Mike1024 Plug-in power adapters Taken with Canon PowerShot A80 Transformers Disassembled power supplies | ||||
