Datasheet

ADF4116/ADF4117/ADF4118
Rev. D | Page 10 of 28
–2MHz –1MHz 1MHz 2MHz
V
DD
= 3V, V
P
= 5V
I
CP
= 1mA
PFD FREQUENCY = 1MHz
LOOP BANDWIDTH = 100kHz
RES. BANDWIDTH = 3kHz
VIDEO BANDWIDTH = 3kHz
SWEEP = 1.4 SECONDS
AVERAGES = 4
REFERENCE
LEVEL = –9.3dBm
OUTPUT POWER (dB)
0
–50
–70
–80
–90
–10
–30
–60
–40
–20
–100
2800MHz
–77.3dBc
00392-016
Figure 16. ADF4118 Reference Spurs
(2800 MHz, 1 MHz, 100 kHz)
PHASE DETECTOR FREQUENCY (kHz)
1 10000100 1000
–175
PHASE NOISE (dBc/Hz)
–145
–150
–160
–170
–
130
–135
10
–165
–155
–140
V
DD
= 3V
V
P
= 5V
00392-017
Figure 17. ADF4118 Phase Noise (Referred to CP Output) vs.
PFD Frequency
–40
PHASE NOISE (dBc/Hz)
–
60
–80
–90
–70
–100
TEMPERATURE (°C)
–20 0 20 40 60 80 100
V
DD
= 3V
V
P
= 5V
00392-018
Figure 18. ADF4118 Phase Noise vs. Temperature
(900 MHz, 200 kHz, 20 kHz)
–40
FIRST REFERENCE SPUR (dBc)
–
60
–80
–90
–70
–100
TEMPERATURE (°C)
–20 0 20 40 60 80 100
V
DD
= 3V
V
P
= 5V
00392-019
Figure 19. ADF4118 Reference Spurs vs. Temperature
(900 MHz, 200 kHz, 20 kHz)
0
FIRST REFERENCE SPUR (dBc)
5
–95
–105
TUNING VOLTAGE
1
V
DD
= 3V
V
P
= 5V
234
–85
–75
–65
–55
–45
–35
–25
–15
–5
5
00392-020
Figure 20. ADF4118 Reference Spurs (200 kHz) vs. V
TUNE
(900 MHz, 200 kHz, 20 kHz)
PHASE NOISE (dBc/Hz)
–
60
–80
–90
–70
TEMPERATURE (°C)
020406080
100
V
DD
= 3V
V
P
= 5V
00392-021
Figure 21. ADF4118 Phase Noise vs. Temperature
(836 MHz, 30 kHz, 3 kHz)