Bringing LMX2615 to a Lock State
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SNAU218 – November 2018
Copyright © 2018, Texas Instruments Incorporated
LMX2615EVM-CVAL Wideband 15-GHz Synthesizer
3
Bringing LMX2615 to a Lock State
Load the default mode as shown in
The PLL GUI tab gives useful feedback to the user that is
helpful in getting the best performance out of the device
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Items highlighted in orange or red indicate that something may be sub-optimal. To view the comment,
simply mouse over the colored item and a tooltip will appear. In this case, the feedback suggests that
CAL_CLK_DIV and VCO_SEL can be adjusted to improve the VCO calibration time, SEG1_EN could
be disabled for better spurs and lower current, and that FCAL_EN should be toggled to calibrate the
VCO.
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Mouse over any item and it will display the field value in the lower left corner including the field name,
register location, and description.
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On the bottom is the status bar, which indicates when registers are written to and the status of the
USB2ANY/Reference Pro board. In this case, it is indicating that there is no board connected.
Figure 4. TICS Pro GUI LMX2615 Default Configuration
The GUI gives useful feedback to the user to help understand how to program and get the best
performance out of the de
