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Andy Fewster

Andy Fewster is a regional business manager for System Power Management Products for Maxim Integrated Products Inc., the U.K. He holds a BSc in electrical and electronic engineering from Brighton University and is a registered Chartered Engineer in the U.K. He is a member of IEE in the U.K. and IEEE in the U.S.


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  • Derive Auxiliary Supplies From A Positive Buck DC-DC Converter

    By Andy Fewster, March 17, 2005

    Many systems require a low-power supply in addition to the main supply. A typical example is when an analog front-end amplifier needs ±5 V, while the main digital circuitry requires +5 V only. For reasons of cost, inventory management, electromagne