Datasheet

Data Sheet ADF4106
Rev. E | Page 9 of 24
–40
–
140
–
130
–
120
–
110
–
100
–
90
–80
–
70
–60
–
50
02720-011
100Hz
1MHz
FREQUENCY OFFSET FROM 5800MHz CARRIER
PHASE NOISE (dBc/Hz)
10dB/DIV
R
L
=
–40dBc/Hz
RMS NOISE = 1.8°
Figure 11. Integrated Phase Noise (5.8 GHz,1 MHz, and 100 kHz)
0
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
02720-012
–2M –1M 5800 1M 2M
FREQUENC
Y (Hz)
OUTPUT POWER (dB)
REF LEVEL = –10dBm
–65.0dBc
–66.0dBc
V
DD
= 3V
, V
P
= 5V
I
CP
= 5m
A
PFD FREQUENCY = 1MHz
LOO
P BANDWIDTH = 100kHz
RES BANDWIDTH = 1kHz
VIDEO BANDWIDTH = 1kHz
SWEEP = 13 SECONDS
AVERAGES = 1
Figure 12. Reference Spurs (5.8 GHz,1 MHz, and 100 kHz)
–60
–100
–90
–80
–70
02720-013
100–40 –20 0 20 40 60 80
TEMPERATURE (°C)
PHASE NOISE (dBc/Hz)
V
DD
= 3V
V
P
= 3V
Figure 13. Phase Noise (5.8 GHz,1 MHz, and 100 kHz) vs. Temperature
–5
–
105
–95
–
85
–75
–
65
–
55
–45
–
35
–25
–
15
02720-014
5
0 1
2 3 4
TUNNING VOLTAGE (V)
FIRST REFERENCE SPUR (dBc)
V
DD
= 3V
V
P
= 5V
Figure 14. Reference Spurs vs. V
TUNE
(5.8 GHz,1 MHz, and 100 kHz)
–120
–180
–170
–160
–150
–140
–130
02720-015
100M10k 100k 1M 10M
PHASE ETECTOR FREQUENCY (Hz)
PHASE NOISE (dBc/Hz)
V
DD
= 3V
V
P
= 5V
Figure 15. Phase Noise (Referred to CP Output) vs. PFD Frequency
–6
6
5
4
3
2
1
0
–1
–2
–3
–4
–5
02720-016
5.00 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
V
CP
(V)
I
CP
(mA)
V
PP
= 5V
I
CP
SETTLING = 5mA
Figure 16. Charge Pump Output Characteristics