Datasheet

ADF4360-5 Data Sheet
Rev. B | Page 8 of 24
TYPICAL PERFORMANCE CHARACTERISTICS
04439-004
–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
–150
–145
–140
–135
–130
–125
–120
–115
–110
–105
–100
–95
–90
–85
–80
–75
–70
100 1k 10k 100k 1M 10M
FREQUENCY OFFSET (Hz)
OUTPUT POWER (dB)
04439-005
Figure 5. VCO Phase Noise, 1300 MHz, 200 kHz PFD, 10 kHz Loop Bandwidth
–150
–145
–140
–135
–130
–125
–120
–115
–110
–105
–100
–95
–90
–85
–80
–75
–70
100 1k 10k 100k 1M 10M
FREQUENCY OFFSET (Hz)
OUTPUT POWER (dB)
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Figure 6. VCO Phase Noise, 650 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 1300MHz 1kHz 2kHz
–87.8dBc/Hz
V
DD
= 3V, V
VCO
= 3V
I
CP
= 2.5mA
PFD FREQUENCY = 200kHz
LOOP BANDWIDTH = 10kHz
RES. BANDWIDTH = 30Hz
VIDEO BANDWIDTH = 30Hz
SWEEP = 1.9 SECONDS
AVERAGES = 10
Figure 7. Close-In Phase Noise at 1300 MHz (200 kHz Channel Spacing)
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OUTPUT POWER (dB)
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
–200kHz –100kHz 1300MHz 100kHz 200kHz
–71.8dBc
V
DD
= 3V, V
VCO
= +V
I
CP
= 2.5mA
PFD FREQUENCY = 200kHz
LOOP BANDWIDTH = 10kHz
RES. BANDWIDTH = 3kHz
VIDEO BANDWIDTH = 3kHz
SWEEP = 140 ms
AVERAGES = 100
Figure 8. Reference Spurs at 1300 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 1300MHz 0.5MHz 1MHz
–72.3dBc/Hz
V
DD
= 3V, V
VCO
= 3V
I
CP
= 2.5mA
PFD FREQUENCY = 1MHz
LOOP BANDWIDTH = 25kHz
RES. BANDWIDTH = 30kHz
VIDEO BANDWIDTH = 30kHz
SWEEP = 50 ms
AVERAGES = 100
Figure 9. Reference Spurs at 1300 MHz
(1 MHz Channel Spacing, 25 kHz Loop Bandwidth)