192809B-01 National Instruments Sound and Vibration SIGNAL SIMULATOR

Description

192809B-01 National Instruments Sound and Vibration SIGNAL SIMULATOR

Product Dimensions：

Product Description

The NI 192809B‑01 is a multi-channel analog output module designed to simulate sound and vibration signals for testing and calibration of sensor systems. It generates high-fidelity waveforms with precise timing and amplitude control, ideal for use in hardware-in-the-loop (HIL) testing and sensor validation.

Product Specifications

• • Based on available product information:

    • Channels: 4 independent analog output channels

    • Resolution: 16‑bit DAC with guaranteed monotonicity

    • DNL (Differential Nonlinearity): ±1 LSB

    • Maximum Update Rates:

      • 1 channel: up to 833 kS/s

      • 2 channels: ~740 kS/s per channel

      • 3 channels: ~666 kS/s per channel

      • 4 channels: ~625 kS/s per channel

    • Timing Accuracy: 50 ppm of sample rate; timing resolution: 50 ns

    • Output Range: ±10 V, DC coupling

    • Output Impedance: 0.2 Ω

    • Output Current Drive: ±5 mA

    • Overdrive Protection: ±25 V (up to 10 mA source/sink capability)

    • Power-On State: ±20 mV typical

    • Power-Off Glitch: up to 400 mV for the first 200 ms after power loss

    • Output FIFO: 8,191 samples shared across active channels

    • Data Transfer Modes:

      • PCI/PXI: DMA with scatter-gather, interrupts, programmed I/O

      • USB: USB Signal Stream, programmed I/O

    • Waveform Modes: Supports non-periodic waveforms, periodic regeneration from FIFO, or dynamic host-buffer updates

    • Settling Time (Full-scale step): ~6 µs to reach within 1 LSB (15 ppm)

    • Slew Rate: 15 V/µs

    • Glitch Energy: ~100 mV magnitude over ~2.6 µs duration

    Key Advantages

    • High-Speed Signal Generation: Capable of generating rapid analog waveforms across four channels simultaneously, suitable for dynamic system simulation.

    • Precision and Linearity: 16-bit resolution with tight monotonicity and low DNL ensures accurate analog outputs.

    • Versatile Output Handling: Excellent drive strength, overdrive protection, and low impedance make it ideal for direct connection to test hardware.

    • Flexible Data Streaming: Supports high-throughput waveform streaming via PCI/PXI or USB, with multiple waveform modes for various testing scenarios.

    • Fast Response: Excellent settling time and slew rate allow faithful reproduction of abrupt signal transitions.

    • Compact & Lightweight: Weighs approximately 0.14 kg.

    Usage Notes & Precautions

    • Use within ±10 V range to ensure signal integrity and to prevent output clipping.

    • Exercise caution during power cycling—expect up to 400 mV transient on outputs during power-off for up to 200 ms.

    • Be aware of glitch energy when generating fast transitions or high-frequency waveforms; ensure the connected system can tolerate brief voltage spikes.

    • Ensure your data interface (PCI/PXI or USB) supports the required throughput and latency for your waveform application.

    • Proper synchronization and buffering strategies are essential for accurate multi-channel timing control.

    Typical Applications

    • Sensor Calibration: Simulate acoustic or vibrational signals for validating sound/vibration sensors, accelerometers, or microphones.

    • Hardware-in-the-Loop (HIL) Testing: Drive analog input systems in real-time testing environments for automotive, aerospace, or industrial control systems.

    • System Validation: Generate precise, high-speed analog signals for system integration and performance verification.

    • Research & Development: Explore dynamic responses in control systems by applying custom waveform stimuli.

    • Educational Demonstrations: Showcase waveform generation and analog signal behavior in lab environments.

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