Evaluation Kit for CMX979 (engineering samples)
EV9790
2017 CML Microsystems Plc
21
UM9790/1
Figure 20 Phase noise plot of 3.6GHz RF PLL, Icp=400µA, F
Comp
=19.2MHz, PLL type ‘1100’.
The IF PLL has a typical phase noise profile as shown in the plots below, using the default L3 inductor value. The effect of
the divider is demonstrated in Figure 22.
Figure 21 Phase noise plot of 900MHz IF PLL, Icp= 400µA, F
Comp
=1.2MHz
