Datasheet

ADF4360-6 Data Sheet
Rev. B | Page 8 of 24
TYPICAL PERFORMANCE CHARACTERISTICS
04440-004
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150
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160
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170
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140
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130
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120
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110
–100
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90
–80
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70
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40
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50
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60
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30
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20
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10
0
1k
10M
1M
100k10k
FREQUENCY OFFSET (Hz)
4
3
2
1
OUTPUT POWER (dB)
Figure 4. Open-Loop VCO Phase Noise
04440-005
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150
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85
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90
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95
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100
–105
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–115
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140
–145
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80
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75
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70
1k100
10M1M
100k
10k
FREQUENCY OFFSET (Hz)
OUTPUT POWER (dB)
Figure 5. VCO Phase Noise, 1150 MHz, 200 kHz PFD, 10 kHz Loop Bandwidth
04440-006
–150
–85
–90
–95
–100
–105
–110
–115
–120
–125
–130
–135
–140
–145
–80
–75
–70
1k100 10M1M100k10k
FREQUENCY OFFSET (Hz)
OUTPUT POWER (dB)
Figure 6. VCO Phase Noise, 575 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 1150MHz 1kHz 2kHz
–87.5dBc/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 1150 MHz (200 kHz Channel Spacing)
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OUTPUT POWER (dB)
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
–200kHz –100kHz 1150MHz 100kHz 200kHz
–73.7dBc
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 1150 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 1150MHz 0.5MHz 1MHz
–73.3dBc/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 1150 MHz
(1 MHz Channel Spacing, 25 kHz Loop Bandwidth)