Datasheet

ADF4360-2 Data Sheet
Rev. C | Page 8 of 24
TYPICAL PERFORMANCE CHARACTERISTICS
04436-004
–150
–160
–170
–140
–130
–120
–110
–100
–90
–80
–70
–40
–50
–60
–30
–20
–10
0
1k 10M1M100k10k
FREQUENCY OFFSET (Hz)
4
3
2
1
OUTPUT POWER (dB)
Figure 4. Open-Loop VCO Phase Noise
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100 10M1M100k10k1k
FREQUENCY OFFSET (Hz)
OUTPUT POWER (dB)
–145
–150
–140
–135
–130
–125
–120
–115
–110
–105
–90
–95
–100
–85
–80
–
75
–70
Figure 5. VCO Phase Noise, 2000 MHz, 200 kHz PFD, 10 kHz Loop Bandwidth
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100 10M1M100k10k1k
FREQUENCY OFFSET (Hz)
OUTPUT POWER (dB)
–145
–150
–140
–135
–130
–125
–120
–115
–110
–105
–90
–95
–100
–85
–80
–75
–70
Figure 6. VCO Phase Noise, 1000 MHz,
Divide-by-2 Enabled 200 kHz PFD, 10 kHz Loop Bandwidth
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OUTPUT POWER (dB)
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
–2kHz –1kHz 2000MHz 1kHz 2kHz
–84.0dBc/Hz
V
DD
= 3V, V
VCO
= 3V
I
CP
= 2.5mA
PFD FREQUENCY = 200kHz
LOOP BANDWIDTH = 10kHz
RES. BANDWIDTH = 30Hz
VIDEO BANDWIDTH = 30Hz
SWEEP = 1.9SECONDS
AVERAGES = 10
Figure 7. Close-In Phase Noise at 2000 MHz (200 kHz Channel Spacing)
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OUTPUT POWER (dB)
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
–200kHz –100kHz 2000MHz 100kHz 200kHz
–79.5dBc
V
DD
= 3V, V
VCO
= 3V
I
CP
= 2.5mA
PFD FREQUENCY = 200kHz
LOOP BANDWIDTH = 10kHz
RES. BANDWIDTH = 3kHz
VIDEO BANDWIDTH = 3kHz
SWEEP = 140ms
AVERAGES = 100
Figure 8. Reference Spurs at 2000 MHz
(200 kHz Channel Spacing, 10 kHz Loop Bandwidth)
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OUTPUT POWER (dB)
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
–1MHz –0.5MHz 2000MHz 0.5MHz 1MHz
–83.8dBc/Hz
V
DD
= 3V, V
VCO
= 3V
I
CP
= 2.5mA
PFD FREQUENCY = 1MHz
LOOP BANDWIDTH = 25kHz
RES. BANDWIDTH = 30kHz
VIDEO BANDWIDTH = 30kHz
SWEEP = 50ms
AVERAGES = 100
Figure 9. Reference Spurs at 2000 MHz
(1 MHz Channel Spacing, 25 kHz Loop Bandwidth)