Datasheet

ADF4360-0 Data Sheet
Rev. C | Page 8 of 24
TYPICAL PERFORMANCE CHARACTERISTICS
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–30
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–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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–120
–115
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–105
–90
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–70
100 10M1M100k10k1000
FREQUENCY OFFSET (Hz)
OUTPUT POWER (dB)
Figure 5. VCO Phase Noise, 2600 MHz, 200 kHz PFD, 10 kHz Loop Bandwidth
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–150
–140
–135
–130
–125
–120
–115
–110
–105
–90
–95
–100
–85
–80
–75
–70
100 10M1M100k10k1000
FREQUENCY OFFSET (Hz)
OUTPUT POWER (dB)
Figure 6. VCO Phase Noise, 1300 MHz,
Divide-by-2 Enabled, 200 kHz PFD, 10 kHz Loop Bandwidth
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OUTPUT POWER (dB)
–90
–80
–70
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–20
–10
0
–2kHz –1kHz 2600MHz 1kHz 2kHz
–80.4dBc/Hz
V
DD
= 3.3V, V
VCO
= 3.3V
I
CP
= 2.5mA
PFD FREQUENCY = 200kHz
LOOP BANDWIDTH = 10kHz
RES. BANDWIDTH = 30Hz
VIDEO BANDWIDTH = 30Hz
SWEEP = 1.9 SECONDS
AVERAGES = 20
REFERENCE
LEVEL = –3.5dBm
Figure 7. Close-In Phase Noise at 2600 MHz (200 kHz Channel Spacing)
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OUTPUT POWER (dB)
–90
–80
–70
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–50
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–30
–20
–10
0
–0.25MHz –0.1MHz 2600MHz 0.1MHz 0.25MHz
–77dBc
REFERENCE
LEVEL = –6dBm
V
DD
= 3.3V, V
VCO
= 3.3V
I
CP
= 2.5mA
PFD FREQUENCY = 200kHz
LOOP BANDWIDTH = 10kHz
RES. BANDWIDTH = 1kHz
VIDEO BANDWIDTH = 1kHz
AVERAGES = 20
Figure 8. Reference Spurs at 2600 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 2250MHz 0.5MHz 1MHz
–86dBc/Hz
V
DD
= 3V, V
VCO
= 3V
I
CP
= 2.5mA
PFD FREQUENCY = 1MHz
LOOP BANDWIDTH = 25kHz
RES. BANDWIDTH = 10kHz
VIDEO BANDWIDTH = 10kHz
SWEEP = 1.9 SECONDS
AVERAGES = 10
Figure 9. Reference Spurs at 2600 MHz
(1 MHz Channel Spacing, 25 kHz Loop Bandwidth)