AtSpec Spectrum Analyzer
"The cost effective Spectrum Analyzer solution..."
 

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How does AtSpec acquire signal data?

AtSpec interfaces to the outside world via a device independent driver layer. As standard AtSpec is provided with the following input device drivers:
  • Sound Blaster Input Device

    • The sound blaster input device interfaces AtSpec to any Windows compatible sound card. Using this driver typically gives AtSpec a bandwidth of 20kHz and a quantization resolution of 16 bits.
     
  • Impedance Input Device

    • The impedance input device driver is a specialized driver built on top of the sound blaster input device driver, giving AtSpec the ability to measure impedance's with a single measurement.
     
  • Wave File Input Device

    • The wave file input device allows AtSpec to analyse data from any PCM encoded wave files.
     
  • Text File Input Device

    • The text file input device allows AtSpec to analyse data from text files. The user teaches AtSpec how to read the data from the text file by providing a picture string describing where individual sample data is to be found. The only constraint is that the format of the text data must be homogeneous.
Alternatively, if you have specific hardware requirements and have some programming expertise you can develop your own driver to interface AtSpec to the outside world. To assist in driver development the complete source code of all the drivers can be obtained on request.


"We use Zeus for Windows and Watcom C/C++ 11.0 as our development environment of choice..."

Paavo Jumppanen
Author of AtSpec Spectrum Analyzer

This document was last modified on 1st September, 2001
Copyright (C) 2001, Paavo Jumppanen
All rights reserved.