ADF4216/ADF4217/ADF4218
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
0
–10
–20
–30
–40
–50
–60
–70
V
I
= 3V, V = 5V
P
V
I
= 3V, V = 5V
P
DD
= 4.375mA
DD
REFERENCE
REFERENCE
LEVEL = –5.7dBm
LEVEL = –4.2dBm
= 4.375mA
CP
CP
PFD FREQUENCY = 30kHz
LOOP BANDWIDTH = 3kHz
RES. BANDWIDTH = 3Hz
VIDEO BANDWIDTH = 3Hz
SWEEP = 255 SECONDS
POSITIVE PEAK DETECT
MODE
PFD FREQUENCY = 200kHz
LOOP BANDWIDTH = 35kHz
RES. BANDWIDTH = 1kHz
VIDEO BANDWIDTH = 1kHz
SWEEP = 2.5 SECONDS
AVERAGES = 30
–78dBc/Hz
–89dBc
–80
–90
–100
–400kHz
–200kHz
900MHz
+200kHz
+400kHz
–80kHz
–40kHz
1750MHz
+40kHz
+80kHz
TPC 7. ADF4218 RF Reference Spurs (900 MHz, 200 kHz,
35 kHz)
TPC 10. ADF4218 RF Reference Spurs (1750 MHz,
30 kHz, 3 kHz)
–120
0
V
= 3V, V = 5V
P
V
V
= 3V
= 5V
DD
DD
REFERENCE
LEVEL = –8.0dBm
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
P
I
= 4.375mA
CP
–130
–140
–150
–160
–170
–180
PFD FREQUENCY = 30kHz
LOOP BANDWIDTH = 3kHz
RES. BANDWIDTH = 10kHz
VIDEO BANDWIDTH = 10kHz
SWEEP = 477ms
AVERAGES = 10
–74dBc/Hz
1
10
100
1000
10000
–400Hz
–200Hz
1750MHz
+200Hz
+400Hz
PHASE DETECTOR FREQUENCY – kHz
TPC 8. ADF4218 RF Phase Noise (1750 MHz, 30 kHz, 3 kHz)
TPC 11. ADF4218 RF Phase Noise vs. PFD Frequency
10dB/DIVISION
–40
R
= –40dBc/Hz
RMS NOISE = 1.8؇
L
–60
–50
–60
V
V
= 3V
= 3V
DD
P
–70
–80
–70
1.8؇ rms
–80
–90
–100
–110
–120
–130
–90
–140
100Hz
–100
–40
–20
0
20
40
60
80
100
FREQUENCY OFFSET FROM 1750MHz CARRIER
1MHz
TEMPERATURE – ؇C
TPC 9. ADF4218 RF Integrated Phase Noise (1750 MHz,
30 kHz, 3 kHz)
TPC 12. ADF4218 RF Phase Noise vs. Temperature
(900 MHz, 200 kHz, 20 kHz)
–7–
REV. 0