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158 Chapter 7
Custom Real Time I/Q Baseband
Configuring Hardware
Configuring Hardware
• “To Set the BBG Reference” on page 158
• “To Set the External DATA CLOCK to Receive Input as Either Normal or Symbol” on page 159
• “To Set the BBG DATA CLOCK to External or Internal” on page 159
• “To Adjust the I/Q Scaling” on page 159
To Set the BBG Reference
Setting for an External or Internal Reference
1. Press
Mode > Custom > Real Time I/Q Baseband > More (1 of 3) > Configure Hardware.
Configure Hardware displays a menu where you can set the BBG Reference to External or Internal.
2. Press
BBG Ref Ext Int to select either external or internal as the bit-clock reference for the data generator.
If external is selected, apply the reference frequency to the rear-panel BASEBAND GEN REF IN
connector.
Setting the External Frequency
The BBG reference external frequency is used only when the
BBG Ref Ext Int softkey has been set to Ext
(external).
1. Press
Mode > Custom > Real Time I/Q Baseband > More (1 of 3) > Configure Hardware.
Configure Hardware displays a menu where you can set the external BBG reference frequency.
2. Press
Ext BBG Ref Freq.
3. Use the numeric keypad to a desired frequency, then press
MHz, kHz, or Hz.