REV. 0
ADF4110/ADF4111/ADF4112/ADF4113
–8–
10dB/DIVISION R
L
= –40dBc/Hz RMS NOISE = 1.7ⴗ
100Hz FREQUENCY OFFSET FROM 3100MHz CARRIER 1MHz
1.7ⴗ rms
PHASE NOISE – dBc/Hz
–90
–80
–70
–60
–50
–40
–100
–110
–120
–130
–140
Figure 14. ADF4113 Integrated Phase Noise (3100 MHz,
1 MHz, 100 kHz)
–2MHz –1MHz 3100MHz +1MHz +2MHz
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
REFERENCE
LEVEL = –17.2dBm
–80.6dBc
OUTPUT POWER – dB
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
Figure 15. ADF4113 Reference Spurs (3100 MHz, 1 MHz,
100 kHz)
PHASE DETECTOR FREQUENCY – kHz
1 10000100 1000
–180
PHASE NOISE – dBc/Hz
–140
–150
–160
–170
–120
–130
10
V
DD
= 3V
V
P
= 5V
Figure 16. ADF4113 Phase Noise (Referred to CP Output)
vs. PFD Frequency
TEMPERATURE – ⴗC
100–40 0 20 40 60 80
–100
PHASE NOISE – dBc/Hz
–70
–80
–90
–60
–20
V
DD
= 3V
V
P
= 3V
Figure 17. ADF4113 Phase Noise vs. Temperature
(900 MHz, 200 kHz, 20 kHz)
TEMPERATURE – ⴗC
100–40 0 20 40 60 80
–100
FIRST REFERENCE SPUR – dBc
–70
–80
–90
–60
–20
V
DD
= 3V
V
P
= 5V
Figure 18. ADF4113 Reference Spurs vs. Temperature
(900 MHz, 200 kHz, 20 kHz)
TUNING VOLTAGE – Volts
50234
–105
FIRST REFERENCE SPUR – dBc
–75
–85
–95
–5
1
V
DD
= 3V
V
P
= 5V
–65
–35
–45
–55
–15
–25
Figure 19. ADF4113 Reference Spurs (200 kHz) vs.
V
TUNE
(900 MHz, 200 kHz, 20 kHz)
