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Chapter 7 159
Custom Real Time I/Q Baseband
Configuring Hardware
To Set the External DATA CLOCK to Receive Input as Either Normal or Symbol
1. Press Mode > Custom > Real Time I/Q Baseband > More (1 of 3) > Configure Hardware.
Configure Hardware allows you to access a menu from which you can set the external DATA CLOCK to
receive input as either Normal or Symbol.
2. Press
Ext Data Clock to select either Normal or Symbol; this setting has no effect in internal clock mode.
• When set to Normal, the DATA CLOCK input connector requires a bit clock.
• When set to Symbol, a one-shot or continuous symbol sync signal must be provided to the SYMBOL
SYNC input connector.
To Set the BBG DATA CLOCK to External or Internal
1. Press Mode > Custom > Real Time I/Q Baseband > More (1 of 3) > Configure Hardware.
Configure Hardware allows you to access a menu from which you can set the BBG DATA CLOCK to
receive input from External or Internal.
2. Press
BBG Data Clock Ext Int to select either external or internal.
• When set to Ext (external), the DATA CLOCK connector is used to supply the BBG Data Clock.
• When set to Int (internal), the internal data clock is used.
To Adjust the I/Q Scaling
Adjusting the I/Q Scaling (amplitude of the I/Q outputs) multiplies the I and Q data by the I/Q scaling factor
that is selected and can be used to improve the Adjacent Channel Power (ACP). Lower scaling values equate
to better ACP. This setting has no effect with MSK or FSK modulation.
1. Press
Mode > Custom > Real Time I/Q Baseband > More (1 of 3) > Configure Hardware.
Configure Hardware allows you to access a menu from which you can adjust the I/Q Scaling.
2. Press
I/Q Scaling, enter a desired I/Q scaling level, and press %.