參數(shù)資料
型號(hào): AD9518-4A/PCBZ
廠商: Analog Devices Inc
文件頁(yè)數(shù): 9/64頁(yè)
文件大小: 0K
描述: BOARD EVALUATION FOR AD9518-4A
設(shè)計(jì)資源: AD9518 Schematics
AD9518 Gerber Files
AD9518-4 BOM
標(biāo)準(zhǔn)包裝: 1
主要目的: 計(jì)時(shí),時(shí)鐘發(fā)生器
嵌入式:
已用 IC / 零件: AD9518-4A
主要屬性: 2 輸入,14 輸出,1.6GHz VCO
次要屬性: LVPECL 輸出邏輯
已供物品:
Data Sheet
AD9518-4
Rev. B | Page 17 of 64
2.1
0.9
1.1
1.3
1.5
1.7
1.9
1.45
1.55
1.65
1.75
1.50
1.60
1.70
1.80
V
CO
T
UNI
NG
V
O
L
T
AG
E
(
V
)
FREQUENCY (GHz)
06
43
3-
2
01
Figure 11. VCO Tuning Voltage vs. Frequency
(Note that VCO calibration centers the dc tuning voltage
for the PLL setup that is active during calibration.)
–110
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
10
0
CENTER 122.88MHz
SPAN 50MHz
5MHz/DIV
RE
L
AT
IV
E
P
O
W
E
R
(
d
B)
06
43
3-
2
02
Figure 12. PFD/CP Spurs; 122.88 MHz; PFD = 15.36 MHz;
LBW = 135 kHz; ICP = 3 mA; fVCO = 1.475 GHz
–110
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
10
0
CENTER 122.88MHz
SPAN 1MHz
100kHz/DIV
R
E
L
AT
IV
E
P
O
W
E
R
(
d
B)
06
43
3-
2
0
3
Figure 13. Output Spectrum, LVPECL; 122.88 MHz; PFD = 15.36 MHz;
LBW = 135 kHz; ICP = 3 mA; fVCO = 1.475 GHz
1.0
0.6
0.2
–0.2
–0.6
–1.0
02
20
15
10
5
D
IFF
E
R
E
N
TI
A
L
O
U
TP
U
T
(
V
)
TIME (ns)
5
06
43
3-
0
14
Figure 14. LVPECL Output (Differential) at 100 MHz
1.0
0.6
0.2
–0.2
–0.6
–1.0
02
1
D
IFF
E
R
E
N
TI
A
L
O
U
TP
U
T
(
V
)
TIME (ns)
06
43
3-
0
15
Figure 15. LVPECL Output (Differential) at 1600 MHz
1600
800
1000
1200
1400
03
2
1
D
IF
F
ER
E
N
T
IA
L
SW
IN
G
(
m
V
p
-p
)
FREQUENCY (GHz)
06
43
3-
0
20
Figure 16. LVPECL Differential Swing vs. Frequency,
Using a Differential Probe Across the Output Pair
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