ADF4360-3
Data Sheet
TYPICAL PERFORMANCE CHARACTERISTICS
0
–10
–20
–30
–40
–50
–60
0
–10
–20
–30
V
= 3V, V
= +3V
VCO
DD
= 2.5mA
I
CP
PFD FREQUENCY = 200kHz
LOOP BANDWIDTH = 10kHz
RES. BANDWIDTH = 30Hz
VIDEO BANDWIDTH = 30Hz
SWEEP = 1.9 SECONDS
–40 AVERAGES = 10
–50
–70
–80
1
–90
2
–100
–110
–120
–130
–140
–150
–160
–170
–86.0dBc/Hz
–60
–70
–80
–90
3
4
1k
10k
100k
1M
10M
–2kHz
–1kHz
1800MHz
1kHz
2kHz
FREQUENCY OFFSET (Hz)
Figure 4. Open-Loop VCO Phase Noise
Figure 7. Close-In Phase Noise at 1800 MHz (200 kHz Channel Spacing)
–70
–75
–80
0
V
= +3V, V
= +3V
VCO
DD
= 2.5mA
–10
–20
–30
I
CP
–85
–90
PFD FREQUENCY = 200kHz
LOOP BANDWIDTH = 10kHz
RES. BANDWIDTH = 3kHz
VIDEO BANDWIDTH = 3kHz
SWEEP = 140ms
–95
–100
–105
–110
–115
–120
–40 AVERAGES = 100
–50
–72.3dBc
–60
–70
–80
–90
–125
–130
–135
–140
–145
–150
100
1k
10k
100k
1M
10M
–200kHz
–100kHz
1800MHz
100kHz
200kHz
FREQUENCY OFFSET (Hz)
Figure 5. VCO Phase Noise, 1800 MHz, 200 kHz PFD, 10 kHz Loop Bandwidth
Figure 8. Reference Spurs at 1800 MHz
(200 kHz Channel Spacing, 10 kHz Loop Bandwidth)
–70
–75
–80
0
–10
–20
–30
V
= +3V, V
= +3V
VCO
DD
= 2.5mA
I
CP
–85
–90
PFD FREQUENCY = 1MHz
LOOP BANDWIDTH = 25kHz
RES. BANDWIDTH = 30kHz
VIDEO BANDWIDTH = 30kHz
SWEEP = 50ms
–95
–100
–105
–110
–115
–120
–40 AVERAGES = 100
–50
–60
–70
–80
–90
–73.8dBc/Hz
–125
–130
–135
–140
–145
–150
100
1k
10k
100k
1M
10M
–1MHz
–0.5MHz
1800MHz
0.5MHz
1MHz
FREQUENCY OFFSET (Hz)
Figure 6. VCO Phase Noise, 900 MHz,
Divide-by-2 Enabled, 200 kHz PFD, 10 kHz Loop Bandwidth
Figure 9. Reference Spurs at 1800 MHz
(1 MHz Channel Spacing, 25 kHz Loop Bandwidth)
Rev. C | Page 8 of 24
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