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Channel Configurations for the VCSEL I-V Test PXI Subsystem

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    Last Modified: January 11, 2021

    A one-channel PXI subsystem configuration utilizes a single NI-4134 pulse generator and PXIe-4135 SMU and requires a connection to the PXIe-5162 oscilloscope, a connection to the PXIe-8880 controller, and a connection to the DUT. This one-channel subsystem can only test one DUT at a time.

    Figure 1. One-Channel PXI Subsystem Configuration Connection Diagram
    1. PXIe-1092 chassis
    2. NI-4134 pulse generator
    3. Load board
    4. USB cable
    5. BNC cable
    6. Force HI Triax cable
    7. Sense HI Triax cable
    8. 30 dB attenuator
    spd-note-tip
    Tip  

    You can use the VCSEL I-V Test Subsystem One Channel Expansion Kit (s/n 866278-UPG1) to add a channel to the subsystem, up to a maximum of four channels in a single PXIe-1092 chassis.

    The multi-channel PXI subsystem configuration utilizes more than one NI-4134 pulse generator and PXIe-4135 SMU to test DUTs with higher throughput than the one-channel configuration. This configuration requires a connection to a DUT for each subsystem channel. A multi-channel subsystem configuration typically includes four NI-4134 pulse generators and PXIe-4135 SMUs, but can also support two or three pairs of these instruments.

    Figure 2. Multi-Channel PXI Subsystem Configuration Connection Diagram

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