ADF4360-7 AD [Analog Devices], ADF4360-7 Datasheet - Page 9

• Manufacturer Part Number: ADF4360-7
• Description: Integrated Synthesizer and VCO
• Manufacturer: AD [Analog Devices]

Data Sheet
Figure 11. VCO Phase Noise, 1250 MHz, 200 kHz PFD, 10 kHz Loop Bandwidth
–100
–110
–120
–130
–140
–150
–100
–105
–110
–115
–120
–125
–130
–135
–140
–145
–150
–100
–105
–110
–115
–120
–125
–130
–135
–140
–145
–150
–40
–50
–60
–70
–80
–90
–70
–75
–80
–85
–90
–95
–70
–75
–80
–85
–90
–95
Figure 10. Open-Loop VCO Phase Noise, L1 and L2 = 1.0 nH
Divide-by-2 Enabled 200 kHz PFD, 10 kHz Loop Bandwidth
100
100
100
Figure 12. VCO Phase Noise, 625 MHz,
1k
1k
1k
FREQUENCY OFFSET (Hz)
FREQUENCY OFFSET (Hz)
FREQUENCY OFFSET (Hz)
10k
10k
10k
100k
100k
100k
1M
1M
1M
10M
10M
10M
Rev. B | Page 9 of 28
Figure 13. Close-In Phase Noise at 1250 MHz (200 kHz Channel Spacing)
–10
–20
–30
–40
–50
–60
–70
–80
–90
–0.25MHz
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
–1.1MHz
0
0
0
(200 kHz Channel Spacing, 10 kHz Loop Bandwidth)
(1 MHz Channel Spacing, 25 kHz Loop Bandwidth)
–2kHz
Figure 14. Reference Spurs at 1250 MHz
Figure 15. Reference Spurs at 1250 MHz
LEVEL = –3.5dBm
–0.55MHz
LEVEL = –3dBm
–0.1MHz
LEVEL = –3dBm
REFERENCE
REFERENCE
REFERENCE
–1kHz
1250MHz
1250MHz
1.25GHz
V
I
PFD FREQUENCY = 200kHz
LOOP BANDWIDTH = 10kHz
RES. BANDWIDTH = 1kHz
VIDEO BANDWIDTH = 1kHz
AVERAGES = 20
V
I
PFD FREQUENCY = 1MHz
LOOP BANDWIDTH = 25kHz
RES. BANDWIDTH = 1kHz
VIDEO BANDWIDTH = 1kHz
SWEEP = 4.2 SECONDS
AVERAGES = 20
V
I
PFD FREQUENCY = 200kHz
LOOP BANDWIDTH = 10kHz
RES. BANDWIDTH = 30Hz
VIDEO BANDWIDTH = 30Hz
SWEEP = 1.9 SECONDS
AVERAGES = 20
CP
CP
CP
DD
DD
DD
= 2.5mA
= 2.5mA
= 2.5mA
= 3.3V, V
= 3.3V, V
= 3.3V, V
1kHz
0.55MHz
0.1MHz
–87.5dBc/Hz
–79dBc
VCO
VCO
VCO
ADF4360-7
–79dBc
= 3.3V
= 3.3V
= 3.3V
2kHz
0.25MHz
1.1MHz