Signal Conditioning

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PXI 5922 Impedance matching


I am working on a measurement system for voltage harmonic signals in the range from 100Hz-10kHz . i am using the PXI-5922 digitizer for measurements. I need to use a coaxial cable with a length of 20m to transmit the signal from the voltage transducer to the digitizer. As i am new to this subject, it would be great if anyone can suggest me on impedance matching of the cable to minimize the measurement error on voltage amplitude and phase.


thank you,


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 Impedance of the source?

Type of cable ?

If you say 10 kHz .. max bandwidth? or 10 kHz square wave with a bandwidth say up to 200 kHz (rule of thumb)



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Does the MXI-3 link still work? I'm looking at building a PXI-1031 chassis up with a PXI-8330 and PCI-8330 link to my controlling PC.

I plan on using LabVIEW community edition to do some fun bench-tests. I have a few PXI (PCI) cards.





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Please don't hijack other's threads, if you have a query or question please create a new one.


Semiconductor Validation & Production Test
Soliton Technologies
LabVIEW + TestStand + TestStand Semiconductor Module (2013 - 2020)
NI STS for Mixed signal and RF
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