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Keith Curtis

Keith Curtis is a technical staff engineer with the Security, Microcontroller and Technology Development Division of Microchip. He holds a BSEE from Montana State University, Bozeman.


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Author Articles

  • Simple Circuit Provides Low-Current, Regulated Voltage Boost

    Simple Circuit Provides Low-Current, Regulated Voltage Boost

    By Keith Curtis, December 14, 2010

    Reader adapts the Villard cascade voltage multiplier circuit from the early days of television to develop a regulated 15 V from a 9-V source without the need for an inductor in the circuit.

  • Customize Power Supplies Freely With A Digital Feedback Loop

    By Keith Curtis, March 13, 2008

    Tighter power regulations and safety issues are demanding efficient and intelligent power supplies that can be monitored externally and manufactured cost-effectively, with minimal hardware changes. Power-supply engineering advanc

  • Thermistors And A Microcontroller Simplify Anemometer Design

    By Keith Curtis, October 14, 2002

    Typically, air flow is measured with a hot-wire anemometer. Here's an alternative version of that concept using two thin-film platinum resistance temperature detectors. A high-performance mixed-signal microcontroller can make the measurement and drive...