the phase value dialed in on each
use. In an application which com-
bines four LO frequencies in phase
spaced signals are observed, con-
firming the accuracy of the phase
resync with programmable offset.
s Fig. 4 Application requiring precise control of PLL output
Source 1 Source 2 Source 3 Source 4
1 to 250 MHz
10 to 6000 MHz
s Fig. 3 Phase resync with variable offsets.
s Fig. 2 Fractional-N PLL resync phase measurement,
switching from 4694 to 4002.5 MHz.
This feature is highly useful. A look-up table of phase values can be created for each user frequency, with