A Low-cost Multi-channel Analogue Signal Generator

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A scalable multi-channel analogue signal generator is presented. It uses a commercial low-cost graphics card with multiple outputs in a standard PC as signal source. Each color signal serves as independent channel to generate an analogue signal. A custom-built external PCB was developed to adjust th...

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Detalles Bibliográficos
Autores principales: Muller, F, Schmitt, K, Shen, W, Stamen, R
Lenguaje:eng
Publicado: CERN 2009
Materias:
Computing and Computers
Acceso en línea:https://dx.doi.org/10.5170/CERN-2009-006.566
http://cds.cern.ch/record/1235884
Descripción
Sumario:A scalable multi-channel analogue signal generator is presented. It uses a commercial low-cost graphics card with multiple outputs in a standard PC as signal source. Each color signal serves as independent channel to generate an analogue signal. A custom-built external PCB was developed to adjust the graphics card output voltage levels for a specific task, which needed differential signals. The system furthermore comprises a software package to program the signal shape. The implementation of the signal generator is presented as well as an application where it was successfully utilized.

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