Modular Systems > National Instruments > PXI Waveform Generators
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PXIe-6544, 32-Channel, 100 MHz, PXI Digital Waveform Instrument
National Instruments PXIe-6544 PXIe Digital Waveform Generator/Analyzer
The 100 MHz, 32-channel, 3.3 V PXIe-6544 (Part Numbers: 780992-02, 780992-03, and 196524C-02L) is a PXI Express (PXIe) Digital Waveform Generator and Analyzer, designed to generate and analyze digital signals with high accuracy and flexibility. This module provides bidirectional control of 32 digital lines, allowing users to configure channels for simultaneous generation and acquisition.
The PXIe-6544 can generate and acquire waveforms at clock rates up to 100 MHz and supports multiple logic families, including 1.2 V, 1.5 V, 1.8 V, 2.5 V, and 3.3 V (but not 5V TTL). The module features advanced synchronization capabilities, enabling integration into mixed-signal test systems and precise digital timing control per bank. The onboard 800 MHz VCO with a 32-bit Direct Digital Synthesis (DDS) clock allows sub-hertz resolution up to 100 MHz, providing accurate timing without requiring an external clock.
Users can stream data at rates of up to 660 MB/s to host memory and 400 MB/s from host memory, making the PXIe-6544 suitable for high-speed digital test applications. This module is often used for digital signal processing, custom protocol testing, and functional verification of digital electronics. It can also be used in LCD and TV component testing, RF baseband applications, and digital video signal generation and acquisition, but it does not include built-in video-specific interfaces such as HDMI or DVI.
The PXIe-6544 includes an onboard 1 MB, 8 MB, or 64 MB per-channel memory configuration, ensuring flexible waveform storage and generation. It features three SMA connectors (CLK IN, CLK OUT, and PFI 0) and a 68-pin VHDCI connector for digital I/O. The device operates using the NI-HSDIO driver, which is compatible with LabVIEW, LabWindows™/CVI™, and other programming environments.
The NI PXIe-6544 is designed for PXI Express (PXIe) Peripheral Slots, ensuring high-speed data transfer within PXIe chassis. It is not compatible with standard PXI or hybrid slots. It weighs 18.3 oz (519 g) and has physical dimensions of 21.6 × 2.0 × 13.0 cm.
| Model | PXIe-6544 |
|---|---|
| Part Numbers | 780992-02, 780992-03, 196524C-02L |
| Manufacturer | National Instruments |
| Type | PXI Digital Waveform Instrument |
| Bidirectional Digital Channels | 32 |
| Maximum Clock Rate | 100 MHz |
| Total Power | 32.2 W |
| Dimensions | 21.6 x 2.0 x 13.0 cm. |
| Weight | 18.3 oz. |
| Warranty | Three Year Warranty |
| PXIe-6544 Manual | User Manual and Maintenance Manual Available for Download |
| Price | Contact a sales representative for a quote. |
Associated part numbers for PXIe-6544:
National Instruments PXIe-6544 Frequently Asked Questions
Question: What is the difference between the two part numbers for the PXIe-6544?
Answer: The PXIe-6544 has two onboard memory sizes available: part number 780992-02 with 8 Mbit onboard memory and part number 780992-03 with 64 Mbit onboard memory.
Question: What are the logic levels and range for the NI PXIe-6544?
Answer: The NI PXIe-6544 supports multiple logic families, including 1.2V, 1.5V, 1.8V, 2.5V, and 3.3V, with specific voltage thresholds for logic high and logic low states. For 1.2V logic, the voltage low threshold (VIL) is ≤ 0.42V, while the voltage high threshold (VIH) is ≥ 0.75V. For 1.5V logic, the thresholds are ≤ 0.525V for VIL and ≥ 0.9V for VIH. At 1.8V, the VIL threshold is ≤ 0.63V, and VIH is ≥ 1.05V. The 2.5V logic level has a VIL threshold of ≤ 0.875V and a VIH threshold of ≥ 1.4V. Finally, for 3.3V logic, the voltage low threshold is ≤ 1.155V, and the voltage high threshold is ≥ 1.8V. These thresholds define the voltage ranges that determine valid logic transitions for the PXIe-6544’s digital I/O.
Question: Does the PXIe 6544 support hardware compare?
Answer: No, the PXIe 6544 does not support hardware compare.
Question: What is the On Board Clock frequency range for the NI PXIe-6544?
Answer: The NI PXIe-6544 has an On Board Clock frequency range from 100 Hz to 100 MHz.
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