Description
The PXI-6561, identifiable by its part numbers 778993-01, 778993-02, and 778993-03, is a 16-channel digital waveform generator and analyzer designed for high-performance, flexible, and scalable automated test systems. With a maximum sampling rate of 100 MHz, it is well-suited for a wide range of applications requiring high-speed data generation and analysis.
Each channel of the PXI-6561 supports onboard memory configurations of 2 Mb (778993-01), 16 Mb (778993-02), and 128 Mb (778993-03), enabling users to store large patterns or waveforms directly on the device. The signaling protocol used by the PXI-6561 is LVDS, known for its high speed and low voltage operation, making it ideal for precise measurements and signals transmission.
The device features a maximum of 20 low-voltage signaling digital pins, providing ample connectivity for various digital signals within a test system. Users can take advantage of multiple generation modes, including Single-Waveform Mode and Scripted Mode, offering flexibility in waveform generation and test sequences.
For enhanced control and synchronization within a test system, the PXI-6561 comes equipped with several triggers: Start Trigger, Pause Trigger, Script Trigger, Advance Trigger, and Reference Trigger. These triggers allow users to precisely control the timing of waveform generation and analysis.
Support for a wide range of development environments is provided, including LabVIEW 7.0 (or later), Microsoft Visual C/C++ 6.0 or later, and LabWindows™/CVI™ 6.0 or later. This ensures that users can easily integrate the PXI-6561 into existing test systems or develop new applications using familiar software tools.
The PXI-6561 is compact and lightweight, with dimensions of 8.5 x 0.8 x 5.1 inches and a weight of 12 oz., making it an easy fit in any PXI chassis. Despite being declared obsolete by National Instruments, it remains available for purchase and repairs through Apex Waves, ensuring long-term viability and support for users.
| Specification | Detail |
|---|---|
| Part Number | 778993-01, 778993-02, 778993-03 |
| Model | PXI-6561 |
| Channels | 16-Channel |
| Maximum Sampling Rate | 100 MHz |
| Onboard Memory per Channel | 2 Mb (778993-01), 16 Mb (778993-02), 128 Mb (778993-03) |
| Signaling | LVDS |
| Maximum Number of Low-Voltage Signaling Digital Pins | 20 |
| Generation Modes | Single-Waveform Mode, Scripted Mode |
| Triggers | Start Trigger, Pause Trigger, Script Trigger, Advance Trigger, Reference Trigger |
| Supported Development Environments | LabVIEW 7.0 (or later), Microsoft Visual C/C++ 6.0 or later, LabWindows™/CVI™ 6.0 or later |
| Weight | 12 oz. |
| Dimensions | 8.5 x 0.8 x 5.1 in |
| Obsolete Status | Declared by National Instruments, available for purchase and repairs by Apex Waves |
Question 1: What is the maximum sampling rate of the PXI-6561?
Answer 1: 100 MHz
Question 2: How many channels does the PXI-6561 have?
Answer 2: 16 channels
Question 3: What signaling protocol does the PXI-6561 use?
Answer 3: LVDS
Question 4: Which development environments support the PXI-6561?
Answer 4: LabVIEW 7.0+, Visual C/C++ 6.0+, LabWindows/CVI 6.0+
Question 5: Is the PXI-6561 still available for purchase?
Answer 5: Yes, through Apex Waves



