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