New Application Note Explains How to Select Signal Conditioning Hardware
for Data Acquisition Systems

December 17, 1993 - Austin, TX - National Instruments has published a new
application note that introduces the fundamentals of using signal
conditioning hardware with PC-based data acquisition (DAQ) systems.
"Signal Conditioning Fundamentals for PC-Based Data Acquisition Systems"
teaches users how to determine which front-end preprocessing components
will be needed after selecting the transducers to be used in the DAQ
system.

The application note discusses the types of transducers, including
thermocouples, resistance-temperature detectors (RTDs), strain gauges,
current-output devices, thermistors, and integrated circuit (IC)
temperature sensors that are available for converting physical phenomena
into electrical signals. It then explains the electrical characteristics
and signal conditioning requirements of each type of transducer. The note
also describes how system developers can use amplification, filtering and
averaging, isolation, multiplexing, and digital signal conditioning to
improve the quality and performance of PC-based DAQ systems. The note
discusses differences between the low-cost and high-performance signal
conditioning products available to users.

To request a free copy of "Signal Conditioning Fundamentals for PC-Based
Data Acquisition Systems" (part number 340565-01), or for more
information, please contact National Instruments at 6504 Bridge Point
Parkway, Austin, TX 78730-5039, (512) 794-0100. Or, call toll free in the
U.S. and Canada: (800) 433-3488. Fax: (512) 794-8411.

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