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E-709 Controller
Oct 2010
PI (Physik Instrumente) LP, Air Bearings and Piezo Precision MotionRequest Info
AUBURN, Mass., Oct. 1, 2010 — PI (Physik Instrumente) L.P. has introduced the E-709 piezo nanopositioning controller that provides digital functionality for the price of analog, in the size of a paperback book.

Fifth-order polynomial digital linearization ensures higher accuracy than analog, and two notch filters allow faster response and piezo operation at higher frequencies. A fast servo update rate ensures responsiveness. The digital-to-analog converter in-the-loop architecture guarantees positional stability.

The system is supplied with USB, RS-232, real-time analog and transistor-transistor logic high-speed interfaces, and with easy-to-use set-up software for remote access and servo tuning. It requires no trimpots. Extensive, well-documented, interface-independent software support includes Windows, Linux and LabView.

The controller was designed for piezo actuators and nanopositioning stages with low-cost piezoresistive sensors and high-performance capacitive sensors. The digital servo technology enables higher linearity and precision and provides more control options (changing parameters on-the-fly, software-optimized servo tuning) and comfortable operation. The system also includes a piezo power amplifier (driver). No additional hardware is required to operate the piezo mechanics.

The company provides the full functionality of its comprehensive software packages free of charge. The E-709 also can be used for applications providing analog control signals, such as microscopy. In addition to two digital interfaces, a standard broadband analog input is installed.

Applications include biotechnology, nanotechnology, semiconductor technology, lithography and optics.


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AmericasanalogBiophotonicsbiotechnologycapacitive sensorscontrollerdigitaldigital servodigital-to-analog converterdriverE-709fifth-order polynomialFiltersin-the-loopindustrialLabViewLinuxlithographyMicroscopyNanopositioningnanopositioning stagesnanotechnologynotch filtersopticsPI (Physik Instrumente)piezopiezo actuatorspiezoresistive sensorsProductsreal-time analogRS-232semiconductor technologySensors & DetectorsSoftwareTest & Measurementtransistor-transistor logicUSBwindows

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