Instrument driver technology has evolved tremendously over the last decade. Initiatives such as SCPI and VXlplug&play; have simplified remote instrument programming with standardized command messages and high-level utility functions. The Infest such initiative is the Interchangeable Virtual Instrument (IVI) Foundation. IVI defines standards for instrument drivers that offer many benefits to provide higher performance. These benefits include instrument interchangeability, instrument simulation, and instrument state-caching. Because instrument drivers are an integral part of a modern test system, IVI promises to provide developers with the fools to increase their system performance significantly. This paper will review the technical aspects of the IVI specification and the IVI architecture and will describe how IVI can help the test system developer improve performance and lower long-term software maintenance costs.
Using IVI drivers to increase test system performance
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