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July 2025
778538-02
778538-02, 20 Channel, PXI-6551 Digital Waveform Instrument with 8 MBits of Memory
Actual item may vary if no part number is provided on quote request.
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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 778538-02 PXI Digital Waveform Instrument
National Instruments 778538-02 is the part number for the PXI-6551 Digital Waveform Instrument that has 8 MBits of memory per channel. This waveform instrument has a total onboard memory size of 32 MBytes for both generation and acquisition thanks to a memory architecture that uses synchronization and memory core technology. With 20 direction-controlled channels, the 778538-02 boasts a versatile set of features that make it the perfect choice for a wide variety of test and measurement applications.
The waveform generation capabilities of the 778538-02 suits the needs different test setups with both single and scripted modes. When in single waveform mode, the device has the option to generate a waveform once, a set number of times, or continuously. For applications that are more complicated, the scripted mode allows the 778538-02 to generate waveform sequences that are either simple or complex. A finite repeat count is supported, with an extraordinary range from 1 to 16,777,216 repetitions. It is important to note that the waveform must be an integer multiple of 2 samples in order for waveform quantum generation to be used.
The features of generation voltage for the 778538-02 operates within a range of -2.0 V to 5.5 V, with it maintains a nominal output impedance magnitude of 50 Ω. Each channel of the waveform instrument boasts a max DC drive strength of ±50 mA, while all data, clock, and PFI channels support ±600 mA.
The 778538-02 weighs 375 g (13.2 oz), has dimensions of 18.6 cm x 13.1 cm (7.32 in x 5.16 in), and can operate efficiently in temperatures ranging between 0 and 55 °C. The clock terminals of the instrument comprise 3 inputs and 2 outputs.
| Part Number | 778538-02 |
|---|---|
| Model Name | PXI-6551 |
| Part Type | Digital Waveform Instrument |
| Memory | 8 MBits / Channel |
| Onboard Memory Size | 32 MBytes |
| Memory Architecture | Synchronization and Memory Core Technology |
| Waveform Generation Modes | Single Mode and Scripted Mode |
| Finite Repeat Count | 1 to 16,777,216 Repetitions |
| Weight | 375 g (13.2 oz) |
| Manufacturer | National Instruments (NI) |
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