Analog Devices AD9551 DLL Window, Input PLL + DCXO Window, PFD and Charge Pump Window, UG-002

Evaluation Board User Guide

DLL Window

Clicking Click for Details in the DLL box of the main window accesses the DLL window (see Figure 11). This window can be used to manually override the automatic time alignment between the REF A and REF B clock input signals to the PLL1 phase detector.

013-08129 Figure 11. DLL Window

Input PLL + DCXO Window

Clicking Click for Details in the PLL & DCXO box in the main window accesses the Input PLL + DCXO window (see Figure 12).

08129-014

Figure 12. Input PLL + DCXO Window

UG-002

PFD and Charge Pump Window

Clicking Click for Details in the PFD & Charge Pump box of the main window accesses the PFD and Charge Pump window (see Figure 13).

015-08129 Figure 13. PFD and Charge Pump Window

VCO Control Window

Clicking Click for Details in the VCO box of the main window accesses the VCO Control window (see Figure 14).

08129-016

Figure 14. VCO Control Window

Rev. 0 Page 9 of 12