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Errors synchronizing 2 5663 RFSAs and 1 5673 RFSG

Hello everyone,

We are trying to use our 5673e RFSG to produce white noise for input into an amplifier to characterize it.  We will the read the output of the amp using 2 5663 RFSA's located in the same PXI chassis.  I want everything to be synchronized, and the Tclk VI's seem to do the trick.  We can run the "RFSA syncronization with Tclk and RFSG" example VI with no problems.  However, the only thing I tried to add in my own code was to configure TWO RFSA's to synch up with the RFSG using Tclk. The "niTclk Configure for Homogeneous Triggers" VI keeps giving the following error:

Code: -250043

niTClk Configure For Homogeneous Triggers.vi:2010001<append>
<B>Session index (starts at zero): </B>0
<B>Error reported by the instrument driver: </B>

The LO returned the following error:

The session handle is not valid.
Status Code: -223587

 

 

I'm attaching a code snippet below.  I can't figure out why this is occurring since all I'm doing different from the examples is adding another RFSA to synch up.  Any help is much appreciated!

-Brian

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Brian,

 

I will reply to your post on the RF board rather than this one since this seems to be RF related.

Robert B
RF Product Support Engineer
National Instruments
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