I have an SMU-5672 and capture the baseband on an oscilloscope. Can I do this?

I have a generator of signals Vectoriels SMU-5672 and to capture the baseband with a reach to compare synchronization with my receiver (HAD).  I would like to connect a scope to the SMU-5442, but don't know if that problem.  Of course, I am particularly concerned by damaging the material.  This method would be the ideal way to check my timing of answer, but if you can't, I'm open to other suggestions.

Yes, you can do it.  The device driver 5672 configures the 5442 for use is the direct path.  Direct tension max is 1 Vpp into 50 Ohm, 2 Vpp scope in high impedance, so make sure that your scope is put in place for this.

Continue to use the 5672 as usual, but with your scope related to the CH 5442 0 output.  Assuming that the scope leads his entry (should not), there is no concern damaging the 5610 or 5442 by doing this.

Unless split you the signal (not what I say), you won't get a signal off the 5610.  It is not clear how you planned to compare the signal for synchronization with your DUT.  No signal can be OK if you compare the time vs a trigger digital, may be exported from the 5442.  Be aware, however, that IF IN addition to RF Out 5610 is about 1.2 US.

Also note that if you set NIRFSG_ATTR_COMPENSATE_FOR_FILTER_GROUP_DELAY to true, and a marker on sample output 0 event, event marker will be delayed to address delays in the processing of signal in the 5442 and delay analogue 5610, causing the marker event should be harmonized with the time "sample 0" appears on the RF Out 5610.  This attribute was added after the original version and the default values to false to preserve backward compatibility.

If you are looking to compare calendar, setting the true Compensate for filter Group delay is actually what I would do rather than split the signal IF Out 5442.  You can check how much are aligned by tuning the 5672 at a fairly low frequency for your bezel measure.  5610 late is dominated by the IF filter, which is independent of the RF frequency.

Tags: NI Products

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