Datasheet

ADF4360-7 Data Sheet
Rev. D | Page 8 of 28
TYPICAL PERFORMANCE CHARACTERISTICS
–150
–120
–130
–140
–70
–60
–90
–100
–110
–80
–40
–50
100 1k 10k 100k 1M 10M
FREQUENCY OFFSET (Hz)
OUTPUT POWER (dB)
04441-004
Figure 4. Open-Loop VCO Phase Noise, L1, L2 = 13 nH
–150
–125
–130
–
120
–135
–
140
–145
–85
–80
–95
–100
–105
–
110
–
115
–90
–
70
–75
100 1k 10k
100k 1M 10M
FREQUENCY OFFSET (Hz)
OUTPUT POWER (dB)
04441-005
Figure 5. VCO Phase Noise, 500 MHz, 200 kHz PFD, 10 kHz Loop Bandwidth
–150
–
125
–130
–120
–
135
–140
–145
–85
–80
–95
–
100
–105
–110
–
115
–90
–
70
–75
100 1k
10k 100k 1M 10M
FREQUENCY OFFSET (Hz)
OUTPUT POWER (dB)
04441-006
Figure 6. VCO Phase Noise, 250 MHz,
Divide-by-2 Enabled 200 kHz PFD, 10 kHz Loop Bandwidth
04441-007
OUTPUT POWER (dB)
–90
–80
–
70
–60
–
50
–40
–30
–20
–10
0
–2kHz –1kHz 500MHz 1kHz 2kHz
–96.4dBc/Hz
REFERENCE
LEVEL = –
3.5dBm
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 = 10
Figure 7. Close-In Phase Noise at 500 MHz (200 kHz Channel Spacing)
04441-008
OUTPUT POWER (dB)
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
–0.25MHz –0.1MHz 1250MHz 0.1MHz 0.25MHz
–74dBc
REFERENCE
LEVEL = –3dBm
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 500 MHz
(200 kHz Channel Spacing, 10 kHz Loop Bandwidth)
04441-009
OUTPUT POWER (dB)
–90
–80
–
70
–60
–50
–40
–30
–20
–
10
0
–1.1MHz –0.55MHz 500MHz
0.55MHz 1.1MHz
–79dBc
REFERENCE
LEVEL =
–3dBm
V
DD
= 3.3V, V
VCO
= 3.3V
I
CP
= 2.5mA
PFD FREQUENCY = 1MHz
LOOP BANDWIDTH = 25kHz
RES. BANDWIDTH = 1kHz
VIDEO BANDWIDTH = 1kHz
SWEEP = 4.2 SECONDS
AVERAGES = 20
Figure 9. Reference Spurs at 500 MHz
(1 MHz Channel Spacing, 25 kHz Loop Bandwidth)