Data Sheet
ADF4106
–40
–50
–5
–15
–25
–35
–45
–55
–65
–75
–85
–95
–105
10dB/DIV
= –40dBc/Hz
RMS NOISE = 1.8°
V
V
= 3V
DD
= 5V
R
L
P
–60
–70
–80
–90
–100
–110
–
120
–130
–140
100Hz
0
1
2
3
4
5
1MHz
TUNNING VOLTAGE (V)
FREQUENCY OFFSET FROM 5800MHz CARRIER
Figure 14. Reference Spurs vs. VTUNE (5.8 GHz,1 MHz, and 100 kHz)
Figure 11. Integrated Phase Noise (5.8 GHz,1 MHz, and 100 kHz)
–120
0
V
I
= 3V, V = 5V
P
DD
= 5mA
REF LEVEL = –10dBm
V
V
= 3V
= 5V
DD
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
CP
P
PFD FREQUENCY = 1MHz
LOOP BANDWIDTH = 100kHz
RES BANDWIDTH = 1kHz
VIDEO BANDWIDTH = 1kHz
SWEEP = 13 SECONDS
AVERAGES = 1
–130
–140
–150
–160
–170
–180
–65.0dBc
–66.0dBc
–2M
–1M
5800
1M
2M
10k
100k
1M
10M
100M
PHASE ETECTOR FREQUENCY (Hz)
FREQUENCY (Hz)
Figure 15. Phase Noise (Referred to CP Output) vs. PFD Frequency
Figure 12. Reference Spurs (5.8 GHz,1 MHz, and 100 kHz)
–6
–5
–4
–60
–70
V
V
= 3V
DD
= 3V
P
V
= 5V
SETTLING = 5mA
PP
I
CP
–3
–2
–1
0
–80
1
2
–90
3
4
5
–100
6
–40
–20
0
20
40
60
80
100
0
0.5
1.0
1.5
2.0
2.5
(V)
3.0
3.5
4.0
4.5
5.0
TEMPERATURE (°C)
V
CP
Figure 13. Phase Noise (5.8 GHz,1 MHz, and 100 kHz) vs. Temperature
Figure 16. Charge Pump Output Characteristics
Rev. E | Page 9 of 24
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