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tutorials:learn:powersupply:index.html [2010/10/26 01:38] ladyada |
tutorials:learn:powersupply:index.html [2016/01/28 18:05] (current) |
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Here is the power supply that is used in many apple products: | Here is the power supply that is used in many apple products: | ||
- | {{:tutorials:learn:powersupply:m8943.jpg|}} | + | {{ :tutorials:learn:powersupply:m8943.jpg?nolink |}} |
Here is a classic 'wall wart' that comes with many consumer electronics: | Here is a classic 'wall wart' that comes with many consumer electronics: | ||
- | {{http://www.ladyada.net/images/metertutorial/wart_t.jpg}} | + | {{ http://www.ladyada.net/images/metertutorial/wart_t.jpg?nolink }} |
This is a massive power supply that's in a PC, usually you dont see this unless you open up the PC and look inside for the big metal box | This is a massive power supply that's in a PC, usually you dont see this unless you open up the PC and look inside for the big metal box | ||
- | {{:tutorials:learn:powersupply:pcsupply.jpg?500|}} | + | {{ :tutorials:learn:powersupply:pcsupply.jpg?nolink&500 |}} |
All these power supplies have one thing in common - they take high voltage 120V or 220V AC power and **regulate** or **convert** it down to say 12V or 5V DC. This is important because the electronics inside of a computer, or cell phone, or video game console dont run at 120V and they don't run on AC power! | All these power supplies have one thing in common - they take high voltage 120V or 220V AC power and **regulate** or **convert** it down to say 12V or 5V DC. This is important because the electronics inside of a computer, or cell phone, or video game console dont run at 120V and they don't run on AC power! | ||
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To understand converters, its best to go through their design step by step. Let's start at the top with: | To understand converters, its best to go through their design step by step. Let's start at the top with: | ||
- | * [[transformeracdc.html|Part 1. The Transformer-based AC/DC power supply]] | + | * [[http://www.ladyada.net/learn/powersupply/transformeracdc.html|Part 1. The Transformer-based AC/DC power supply]] |