Agilent Technologies J-BERT N4903B Guía de usuario descargar pdf (Pagina 8)

Setting up the Instrument

Setting up the Error Detector

Press the PG/ED button

twice to switch to the error

detector setup.

Click the Edit button.

Set the Input to Normal.

This means, we need only

one cable that will be

connected between the

pattern generator and

the data input port.

Enter the termination voltage

that matches the output

termination of the DUT, in our

case equal to the pattern

generator’s data output.

The next step is to set up the error detector’s inputs.

Set the Input Range so that

it covers both the high and

low voltage levels of the

data signal.

PG Data Out

Connecting the DUT

You can now connect the DUT. In our case you

just have to connect the following ports:

Defining the Clock

We have to make sure that the error detector

uses the clock from the pattern generator:

Select External Clock

Source as the source

for the clock signal.

ED Data In

PG Clock Out

ED Clock In

Switch to the

Sampling Point Setup.

Switch to the

Clock Setup.

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Agilent Technologies J-BERT N4903B Guía de usuario Pagina 8