Agilent Technologies E8257C PSG Guia do Utilizador descarregar pdf (Página 285)

Chapter 12 271

Peripheral Devices

N5102A Digital Signal Interface Module

Figure 12-20 Data Setup Softkey Menu with Parallel Port Configuration

2. Press the Data Type softkey.

In this menu, select the data type to be either filtered (

Samples) or unfiltered (Pre-FIR Samples). The

selection is dependent on the test needs and the device under test. However if the device being

tested already incorporates FIR filters, the

Pre-FIR Samples selection should be used to avoid double

filtering. Refer to “Data Types” on page 254, for more information.

3. Select the data type that is appropriate for the test needs.

4. Press the

Numeric Format softkey.

From this menu, select how the binary values are represented. Selecting 2’s complement allows

both positive and negative data values. Use the Offset Binary selection when components cannot

process negative values.

5. Select the numeric format required for the test.

Inactive for a serial port

Frame polarity is active

configuration

for a serial port configuration

Only available when the

N5102A digital module is 

turned on

Only available when 

data type is 

Pre-FIR Samples

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Agilent Technologies E8257C PSG Guia do Utilizador Página 285