r
160
r
140
r
120
r
100
r
80
r
60
100
1000
10000
100000
1000000
10000000
P
h
a
se
N
o
is
e
(d
B
c
/H
z)
Offset (Hz)
4200.1 MHz, CP gain = 8x, FM = 2, Dithering Disabled
4200.1 MHz, CP gain = 16x, FM = 2, DitheringDisabled
Typical Phase Noise Performance Plots
16
SNAU114D – March 2006 – Revised June 2016
Copyright © 2006–2016, Texas Instruments Incorporated
Using the LMX2485E & LMX2487E Evaluation Board
Figure 15. LMX2487E Impact of CPG on Phase Noise
