Anonymous Verified Buyer
" Very responsive and helpful, competitive pricing. Good source! "
July 2025
778953-02
NI 778953-02, 32 Bidirectional, Single-Ended Channels, 100 MHz, PXI-6542 Digital Waveform Generator/Analyzer
Actual item may vary if no part number is provided on quote request.
✔ 2 Year Warranty Included
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Andrew Gar**** Verified Buyer
" Amazing to work with and had my order within 1 week after purchasing with all NI certs and data that were needed. "
March 2025
Said Sai**** Verified Buyer
" Competent contact for highly specialized components. The support team is very knowledgeable. Many thanks for the help and the fast shipping! "
January 2025
Bob C**** Verified Buyer
" Jason was able to get our emergency situation taken care of quickly and professionally. "
May 2025
Gregg Flecki**** Verified Buyer
" Great service and great products. This is my 2nd time using Apex Waves, truly impressed. "
January 2025
Carol Zimme**** Verified Buyer
" Very responsive and helpful, competitive pricing. Good source! "
July 2025
Andrew Gar**** Verified Buyer
" Amazing to work with and had my order within 1 week after purchasing with all NI certs and data that were needed. "
March 2025
Said Sai**** Verified Buyer
" Competent contact for highly specialized components. The support team is very knowledgeable. Many thanks for the help and the fast shipping! "
January 2025
Bob C**** Verified Buyer
" Jason was able to get our emergency situation taken care of quickly and professionally. "
May 2025
Gregg Flecki**** Verified Buyer
" Great service and great products. This is my 2nd time using Apex Waves, truly impressed. "
January 2025
National Instruments 778953-02 Digital Waveform Generator/Analyzer
The National Instruments 778953-02 (PXI-6542) is a 32-channel PXI digital waveform generator and analyzer designed for high-speed digital testing and interfacing. It supports clock rates up to 100 MHz, with each of its 32 channels configurable independently as an input or output. This makes it suitable for testing digital ICs and other devices that require flexible, high-density digital I/O.
The module provides 8 Mbit of SDRAM per channel for storing digital waveforms and captured data. This onboard memory allows the 778953-02 to generate patterns and capture responses without requiring continuous data transfers between the module and the host controller. It supports 1.8 V, 2.5 V, 3.3 V, and 5 V TTL logic levels, providing compatibility with a wide range of digital devices. The module is supplied with a cable and connector block for connecting to a device under test (DUT).
For applications that require precise timing between digital signals, the 778953-02 supports internal or external sample clock sources, clock frequency selection, and programmable data delays. It provides ±600 ps channel-to-channel skew and data delay resolution of 1/256 of the clock period, allowing engineers to control the timing relationship between signals with high precision.
The PXI-6542 uses National Instruments' Synchronization and Memory Core (SMC) architecture and can be combined with other SMC-based instruments to build mixed-signal test systems. Multiple PXI-6542 modules can also be synchronized when additional channels or coordinated timing are required.
The module is supported by the NI-HSDIO driver and can be used with National Instruments software for creating and managing digital test patterns. The Digital Waveform Editor can be used to import, edit, and generate waveforms from sources such as spreadsheets and VHDL before incorporating them into automated test applications.
With its 32 bidirectional channels, 100 MHz maximum clock rate, onboard memory, multiple logic-level options, and precise timing control, the 778953-02 is well suited to functional testing and validation of high-density digital circuits and other electronic devices.
| Model | 778953-02 |
|---|---|
| Part Number | 778953-02 |
| Part Type | PXI digital waveform generator / analyzer |
| Form Factor | PXI modular instrument |
| Channels | 32 bidirectional, single-ended |
| Max Clock Rate | 100 MHz |
| Memory Per Channel | 8 Mbit SDRAM |
| Logic Levels | 1.8V, 2.5V, 3.3V, 5V TTL |
| Channel-to-Channel Skew | ±600 ps |
| Data Delay Resolution | 1/256 of clock period |
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