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  • MICRO: Semicon West 2003
    In an industry reeling from the most extended downturn in its history, some things do remain constant: Semicon West is the must-attend event on the semiconductor trade show calendar. For the first time in recent memory, some exhibit-hall space continues to be available at press time. Despite
  • MICRO: Products
    , user-friendly software, and an improved interface for 300-mm automation standards and fab communications. (Semicon West, South Hall, Booth 1616) For use in delivery systems that feed ultrapure gases to critical process systems, Type 890-series Baratron compact digital pressure transducers feature capacitance
  • Position sensing to soothe the aching back
    limit switches for a homing procedure. In operation, the output from the C-Series sensor gets compared with that from Hall-effect switches on the permanent-magnet motor driving the actuator. This comparison verifies that the position system is working properly. The C-Series' modular architecture
  • Sensorless Field Oriented Control of PMSM Motors using dsPIC30F or dsPIC33F Digital Signal Controllers
    the DSCs help avoid overflows by offering hardware next position, then the motor is commutated to the next saturation protection. step. Hall sensors determine the rotor position to elec- DSCs need fast and flexible analog-to-digital (A/D) tronically commutate the motor. Advanced sensorless conversion

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