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Christopher ClarkAug 9, 2025
Why am I seeing crosstalk when sampling multiple NI I/O Systems channels?
- JjosephbaldwinAug 9, 2025
Crosstalk or ghost voltages when sampling multiple channels on NI I/O Systems can occur due to charge injection. To resolve this, use a voltage follower with operational amplifiers (op-amps) with unity gain for each high-impedance source before connecting to an X Series device. Alternatively, decrease the sample rate for each channel. If you are sampling among multiple channels at various gains, refer to the Multichannel Scanning Considerations section of Chapter 4, Analog Input.
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