Configuring the Clock Signal

Peripheral Devices

N5102A Digital Signal Interface Module

6.Press the More (1 of 2) softkey.

From this softkey menu, select the bit order, swap I and Q, select the polarity of the transmitted data, and access menus that provide data negation, scaling, gain, offset, and IQ rotation adjustments.

7.Press the Data Negation softkey.

Negation differs from changing the I and Q polarity. Applied to a sample, negation changes the affected sample by expressing it in the two's complement form, multiplying it by negative one, and converting the sample back to the selected numeric format. This can be done for I samples, Q samples, or both.

The choice to use negation is dependent on the device being tested and how it needs to receive the data.

8.Press the Gain, Offset & Scaling softkey.

Use the softkeys in this menu for the following functions:

•reduce sample values for both I and Q using the Scaling softkey

•increase or decrease the sample values independently for I and Q using the I Gain and Q Gain softkeys

• compensate for or add a DC offset using the I Offset and Q Offset softkeys

• rotate the data on the IQ plane using the Rotation softkey

9.Make any required scaling, gain, offset, or rotation adjustments to properly test the device.

10.Press Return > Return to return to the first- level softkey menu.

1. Refer to Figure 11- 13. Press the Clock Setup softkey.

Figure 11-13

Clock Setup Menu Location

Accesses the Clock Setup Menu

224	Chapter 11

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Agilent Technologies E8267D PSG, E8257D PSG manual Configuring the Clock Signal

Models: E8267D PSG E8257D PSG

8.Press the Gain, Offset & Scaling softkey.