參數(shù)資料
型號: ADF4217
廠商: Analog Devices, Inc.
元件分類: XO, clock
英文描述: Dual RF PLL Frequency Synthesizers
中文描述: 雙射頻鎖相環(huán)頻率合成器
文件頁數(shù): 7/20頁
文件大小: 227K
代理商: ADF4217
REV. 0
ADF4216/ADF4217/ADF4218
–7–
400kHz
200kHz
900MHz
+200kHz
+400kHz
V
DD
= 3V, V
P
= 5V
I
CP
= 4.375mA
PFD FREQUENCY = 200kHz
LOOP BANDWIDTH = 35kHz
RES. BANDWIDTH = 1kHz
VIDEO BANDWIDTH = 1kHz
SWEEP = 2.5 SECONDS
AVERAGES = 30
REFERENCE
LEVEL =
4.2dBm
89dBc
O
100
90
80
70
60
50
40
30
20
10
0
TPC 7. ADF4218 RF Reference Spurs (900 MHz, 200 kHz,
35 kHz)
400Hz
200Hz
1750MHz
+200Hz
+400Hz
V
DD
= 3V, V
P
= 5V
I
CP
= 4.375mA
PFD FREQUENCY = 30kHz
LOOP BANDWIDTH = 3kHz
RES. BANDWIDTH = 10kHz
VIDEO BANDWIDTH = 10kHz
SWEEP = 477ms
AVERAGES = 10
REFERENCE
LEVEL =
8.0dBm
74dBc/Hz
O
100
90
80
70
60
50
40
30
20
10
0
TPC 8. ADF4218 RF Phase Noise (1750 MHz, 30 kHz, 3 kHz)
10–
40
R
L
=
40dBc/Hz
RMS NOISE = 1.8
100Hz
FREQUENCY OFFSET FROM 1750MHz CARRIER
1MHz
1.8 rms
P
90
80
70
60
50
100
110
120
130
140
TPC 9. ADF4218 RF Integrated Phase Noise (1750 MHz,
30 kHz, 3 kHz)
80kHz
40kHz
1750MHz
+40kHz
+80kHz
V
DD
= 3V, V
P
= 5V
I
CP
= 4.375mA
PFD FREQUENCY = 30kHz
LOOP BANDWIDTH = 3kHz
RES. BANDWIDTH = 3Hz
VIDEO BANDWIDTH = 3Hz
SWEEP = 255 SECONDS
POSITIVE PEAK DETECT
MODE
REFERENCE
LEVEL =
5.7dBm
0
10
20
30
40
50
60
70
80
90
100
P
78dBc/Hz
TPC 10. ADF4218 RF Reference Spurs (1750 MHz,
30 kHz, 3 kHz)
PHASE DETECTOR FREQUENCY
kHz
1
10000
100
1000
180
P
140
150
160
170
120
130
10
V
DD
= 3V
V
P
= 5V
TPC 11. ADF4218 RF Phase Noise vs. PFD Frequency
TEMPERATURE
C
100
40
0
20
40
60
80
100
P
70
80
90
60
20
V
DD
= 3V
V
P
= 3V
TPC 12. ADF4218 RF Phase Noise vs. Temperature
(900 MHz, 200 kHz, 20 kHz)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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