Agilent Technologies J-BERT N4903B Wartungshandbuch PDF herunterladen (Seite 69)

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bertPg.Sequence.Expression = @"(Version= 1.0; Start= IMM;

Block 1= C:\<Instrument Model>\Pattern\MyHeader.ptrn;

Block 2= PRBS23, 512, TrigOn;

Block 3= C:\<Instrument Model>\Pattern\MyFooter.ptrn;

Loop= B3, B3, 20; Loop = B3, B3, 20; Loop= B2,

B2, AuxInRising)";

//select Sequence as data output mode:

bertPgOutput.Sequence.Activate(1);

//Some more code...

//At the end we have to close the connection:

bert.Close();

}

Setting up a Sequence in SCPI

Setting up a Sequence in SCPI requires only two steps:

Create the sequence:

:SOUR:PATT:SEQ:DATA (Version= 1.0; Start= IMM;

Block 1= C:\<Instrument Model>\Pattern\MyHeader.ptrn;

Block 2= PRBS23, 512, TrigOn;

Block 3= C:\<Instrument Model>\Pattern\MyFooter.ptrn;

Loop= B3, B3, 20;

Loop= B2, B2, AuxInRising)

Enable sequence execution:

:SOUR1:PATT:SEL SEQ

If you wish to change the Trigger Out port from Divided Clock to Sequence

Trigger, use the command:

:SOUR3:TRIG SEQ

By default, each block is set to TrigOn, and a trigger will be output whenever block

execution starts.

Recommended Programming Techniques 3

Agilent J-BERT N4903B High-Performance Serial BERT 69

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