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Kaivan Karimi – Dir. of Global Strategy, Microcontroller Group, at Freescale
Walter Chen
Maxim - Senior Scientist, Applications
Dr. Chen specializes in mixed-signal processing at Maxim Integrated Products
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Blog Post: Key-Switch Controllers Enhance Smart Phones
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April 03, 2011
The key pad of most smart phones employs one of two key-scanning methods: conventional or low-EMI. By describing and comparing these methods, the following discussion illustrates a major benefit of the low-EMI method – it eliminates the need for EMI filters.
