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National Instruments 782856-02 PXI Source Measure Unit

The National Instruments 782856-02 is a PXI Source Measure Unit (SMU) that is designed for various testing applications. It is also known as the PXIe-4139. This SMU offers 4-quadrant operation and delivers up to 40 W of DC power. It supports a wide range of voltage and current settings along with DC voltage ranges of 600 mV, 6 V, and 60 V, and current ranges spanning from 1 μA to 10 A (pulse only). The NI 782856-02 features high-resolution analog-to-digital converters that enables precise measurements with a current resolution down to 100 fA. It also supports high-speed acquisitions up to 1.8 MS/s. The device incorporates SourceAdapt technology that optimizes transient response.

The 782856-02 unit provides exceptional voltage programming and measurement accuracy along with resolution and noise levels carefully managed across different voltage ranges. For example, it offers a resolution of 100 nV in the 600 mV range and 10 μV in the 60 V range. The SMU unit's current programming and measurement accuracy are equally exceptional, with resolutions as fine as 100 fA and noise levels as low as 4 pA for the 1 μA range. The accuracy specifications (0.03% + 100 pA for the 1 μA range) underscore the device's capability to handle precise current measurements across its full operational range.

The NI 782856-02 also outperforms in pulsed operation while offering dynamic load handling with a minimum pulse cycle time of 25 μs/W. It supports maximum voltage and current levels of 50 V and 10 A respectively in pulse mode along with a typical maximum on time of 1 ms. These features facilitate the testing of components such as ICs, PMICs, RFICs, LEDs, and optical transceivers under various operational conditions.

Environmental and compliance standards for the 782856-02 include operation within temperatures of 0 °C to 55 °C and storage from -40 °C to 71 °C. The unit meets various international standards for shock, vibration, and humidity that ensures reliability in various testing environments. It also complies with key electromagnetic compatibility and safety standards.