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NI PXI-6683

The NI PXI-6683 is a versatile timing and synchronization module designed for PXI systems by National Instruments. It provides high-precision timekeeping and synchronization capabilities for various applications in test and measurement.

Detailed content

Technical Specifications:

  • Timekeeping:
    • Timebase: 10 MHz reference clock
    • Time Resolution: 1 ns
  • Synchronization:
    • PPS (Pulse Per Second) Output: Provides precise timing pulses with sub-nanosecond accuracy.
    • Sync and Trigger Inputs/Outputs: Multiple inputs and outputs for synchronization and triggering.
    • Sync Pulse Accuracy: ±10 ns
  • Clock Sources:
    • Internal Clock: 10 MHz internal timebase
    • External Clock: Can use an external 10 MHz reference clock
    • Frequency Stability: ±2 ppm (parts per million)
  • Connectors:
    • Timing and Sync: Multiple connectors including BNC and SMA for timing and synchronization signals.
    • External Clock Input: 10 MHz external clock input via BNC connector.
  • Operating Temperature:
    • Temperature Range: 0°C to 55°C
  • Storage Temperature:
    • Storage Range: -40°C to 70°C
  • Relative Humidity:
    • Humidity Range: 10% to 90% non-condensing

Functional Features:

  • High-Precision Timing: Provides accurate timing with a resolution of 1 nanosecond, suitable for applications requiring precise time measurement.
  • Synchronization Capabilities: Offers multiple synchronization and triggering options to coordinate timing across different PXI modules or external devices.
  • Clock Sources: Supports both internal and external clock sources, allowing flexibility in timekeeping and synchronization.
  • PPS Output: Generates Pulse Per Second signals with high accuracy for time synchronization applications.

Application Scenarios:

  • Automated Test Systems: Ideal for systems requiring precise timing and synchronization to ensure accurate test measurements and data acquisition.
  • Real-Time Data Acquisition: Useful in applications where high-resolution timing and synchronization are crucial, such as in real-time data processing and control systems.
  • Synchronization of Multiple Devices: Essential for synchronizing multiple PXI modules or external devices in complex test setups.
  • Timekeeping in Critical Systems: Employed in systems where accurate timekeeping is necessary for operational integrity, such as in communication or aerospace testing.

Additional Considerations:

  • Driver and Software Integration: Integrates with National Instruments’ software and drivers, such as NI LabVIEW and NI MAX, for configuration and control.
  • Connector and Wiring: Includes various connectors for timing and synchronization signals. Proper wiring and signal conditioning may be necessary to ensure accurate operation and minimize signal interference.

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