Datasheet

ADF4107 Data Sheet
Rev. D | Page 8 of 20
–40
–140
–130
–120
–110
–100
–90
–80
–70
–60
–50
03338-011
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 (6.4 GHz, 1 MHz, 100 kHz)
0
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
03338-012
–2kHz –1kHz 5800MHz 1kHz 2kHz
FREQUENCY (MHz)
OUTPUT POWER (dB)
REF LEVEL = –10dBm
–65.0dBc
–66.0dBc
V
DD
= 3V, V
P
= 5V
I
CP
= 5mA
PFD FREQUENCY = 1MHz
LOOP BANDWIDTH = 100kHz
RES BANDWIDTH = 1kHz
VIDEO BANDWIDTH = 1kHz
SWEEP = 13 SECONDS
AVERAGES = 1
Figure 12. Reference Spurs (6.4 GHz, 1 MHz, 100 kHz)
–60
–100
–90
–80
–70
03338-013
100–40 –20 0 20 40 60 80
TEMPERATURE (°C)
PHASE NOISE (dBc/Hz)
V
DD
= 3V
V
P
= 3V
Figure 13. Phase Noise (6.4 GHz, 1 MHz, 100 kHz) vs. Temperature
–5
–105
–95
–85
–75
–65
–55
–45
–35
–25
–15
03338-014
50 1 2 3 4
TUNING VOLTAGE (V)
FIRST REFERENCE SPUR (dBc)
V
DD
= 3V
V
P
= 5V
Figure 14. Reference Spurs vs. V
TUNE
(6.4 GHz, 1 MHz, 100 kHz)
–120
–180
–170
–160
–150
–140
–130
03338-015
100M
10k
100k 1M 10M
PHASE DETEC
TOR FREQUENC
Y
(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
03338-016
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
P
= 5V
I
CP
SETTLING = 5mA
Figure 16. Charge Pump Output Characteristics