adf4360-1 Analog Devices, Inc., adf4360-1 Datasheet - Page 8

• Manufacturer Part Number: adf4360-1
• Description: Integrated Synthesizer And Vco
• Manufacturer: Analog Devices, Inc.

ADF4360-1
TYPICAL PERFORMANCE CHARACTERISTICS
Figure 5. VCO Phase Noise, 2250 MHz, 200 kHz PFD, 10 kHz Loop Bandwidth
–100
–110
–120
–130
–140
–150
–160
–170
–100
–105
–110
–115
–120
–125
–130
–135
–140
–145
–150
–155
–100
–105
–110
–115
–120
–125
–130
–135
–140
–145
–150
–155
–10
–20
–30
–40
–50
–60
–70
–80
–90
–70
–75
–80
–85
–90
–95
–70
–75
–80
–85
–90
–95
Divide-by-2 Enabled, 200 kHz PFD, 10 kHz Loop Bandwidth
0
100
100
1k
Figure 6. VCO Phase Noise, 1125 MHz,
Figure 4. Open Loop VCO Phase Noise
1000
1000
10k
1
FREQUENCY OFFSET (Hz)
FREQUENCY OFFSET (Hz)
FREQUENCY OFFSET (Hz)
10k
10k
100k
2
100k
100k
1M
3
1M
1M
4
10M
10M
10M
Rev. B | Page 8 of 24
Figure 7. Close-In Phase Noise at 2250 MHz (200 kHz Channel Spacing)
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
0
0
0
(200 kHz Channel Spacing, 10 kHz Loop Bandwidth)
(1 MHz Channel Spacing, 25 kHz Loop Bandwidth)
V
I
PFD FREQUENCY = 200kHz
LOOP BANDWIDTH = 10kHz
RES. BANDWIDTH = 10Hz
VIDEO BANDWIDTH = 10Hz
SWEEP = 1.9 SECONDS
AVERAGES = 10
V
I
PFD FREQUENCY = 200kHz
LOOP BANDWIDTH = 10kHz
RES. BANDWIDTH = 1kHz
VIDEO BANDWIDTH = 1kHz
SWEEP = 1.3 SECONDS
AVERAGES = 1
V
I
PFD FREQUENCY = 1MHz
LOOP BANDWIDTH = 25kHz
RES. BANDWIDTH = 10kHz
VIDEO BANDWIDTH = 10kHz
SWEEP = 1.9 SECONDS
AVERAGES = 10
–200kHz
CP
CP
CP
–1MHz
DD
–2kHz
DD
DD
= 2.5mA
= 2.5mA
= 2.5mA
= 3V, V
= 3V, V
= 3V, V
Figure 8. Reference Spurs at 2250 MHz
Figure 9. Reference Spurs at 2250 MHz
VCO
VCO
VCO
–100kHz
–0.5MHz
–1kHz
= 3V
= 3V
= 3V
2250MHz
2250MHz
2250MHz
100kHz
0.5MHz
1kHz
–83.0dBc/Hz
–84.8dBc/Hz
–70.7dBc
200kHz
1MHz
2kHz