Drive Type

NI Digital Waveform Generator/Analyzer Help

Edition Date: June 2013

Part Number: 370520P-01

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Drive type describes the behavior of the generation channels. Single-ended high-speed digital waveform generator/analyzers support two drive types: active drive and open collector. The generation drive type can be configured individually for each channel and is available for dynamic and static operations.

For active drive channels, data is fed to the output driver. For open-collector channels, the data provided to the output driver is always zero, and the data is fed to the tristate control terminal of the output driver.

You can configure all NI digital waveform generator/analyzers for active drive generation and some for open collector generation. When configured for active drive generation, a channel generates the Generation Voltage High Level for logic 1. When configured for open-collector generation, a channel goes to the high-impedance state for logic 1. In both cases, a channel generates the Generation Voltage Low Level for logic 0.


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