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National Instruments 778952-01 PXI Digital Waveform Instrument

National Instruments developed the 778952-01, a digital waveform generator and analyzer that is a member of the PXI-6541 model line. This multifunctional device can sample digital waveforms at frequencies up to 50 MHz and interfaces with 32 single-ended digital pins. This device is a reliable solution for a range of applications, since it supports typical transistor-to-transistor logic (TTL) voltage levels, making it ideal for testing and integrating with digital circuits.

Entire pattern sequencing and complex triggering are made possible by the 778952-01's deep onboard memory and per-channel direction control. In order to create and oversee complicated test scenarios, this flexibility is necessary. This increases the instrument's flexibility to work with various systems and components because it can function with logic levels of 5.0, 3.3, 2.5, and 1.8 V. It also has powerful synchronization capabilities due to the Synchronization and Memory Core (SMC), which makes it easy to integrate with mixed-signal test systems. An arbitrary waveform generator, digitizers, and other digital waveform instruments are examples of these systems, which enable low-skew multichannel setups appropriate for digital integrated circuits (DICs) with a large pin count.

The 778952-01's interoperability with the NI Digital Waveform Editor is one of its primary features. Digital waveform creation and editing are made easier with this interactive software tool. Existing test patterns in ASCII or value change dump (VCD) formats can be imported by users from spreadsheets and VHDL simulation tools. It is simple to adapt for new devices or test settings thanks to the software's interactive editing features and graphical representation of the waveforms. Built-in fill patterns in the Digital Waveform Editor include count up/down patterns and pseudorandom bit sequences (PRBS). Waveforms can be easily imported into NI LabVIEW, LabVIEW SignalExpress, and C once they are ready, which expedites the testing procedure.

The 778952-01 comes with NI-HSDIO, a driver software package that is IVI-compliant and enables extensive instrument configuration, control, and calibration. Numerous programming environments are supported by NI-HSDIO, such as as LabVIEW, LabWindowsTM/CVITM, Measurement Studio, Microsoft Visual C/C++, and.NET (C# and VB.NET). The instrument can be easily integrated into a variety of development and testing workflows because to this broad software support.