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參數(shù)資料
| 型號： | AD8345AREZ1 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 調(diào)制器/解調(diào)器 |
| 英文描述： | 140 MHz - 1000 MHz RF/MICROWAVE QUADRAPHASE MODULATOR |
| 封裝： | LEAD FREE, MO-153ABT, TSSOP-16 |
| 文件頁數(shù)： | 18/20頁 |
| 文件大小： | 1013K |
| 代理商： | AD8345AREZ1 |
AD8345
Rev. B | Page 7 of 20
TEMPERATURE (
°C)
–40
CARRI
E
R
F
E
DT
HRO
UG
H
(
d
Bm)
0
–50
–20
20
40
60
80
–48
–46
–44
–42
–40
–38
–36
–34
–32
–30
VS = 5V, DIFFERENTIAL INPUT = 1.2V p-p
VS = 2.7V, DIFFERENTIAL INPUT = 200mV p-p
009
32-
01
3
Figure 9. Carrier Feedthrough vs. Temperature
(FLO = 800 MHz, LO Level = 2 dBm)
CARRIER FEEDTHROUGH (dBm)
–86
P
E
RCE
N
T
AG
E
30
28
26
24
22
20
18
16
14
12
10
8
6
4
2
0
–82
–78
–74
–70
–66
–62
–58
–54
–50
T = +85
T = –40
00
932-
014
Figure 10. Carrier Feedthrough Distribution at Temperature Extremes After
Feedthrough Nulled to <65 dBm at TA = 25°C
(FLO = 800 MHz, LO Level = 2 dBm)
LO FREQUENCY (MHz)
S
IDE
BAND
S
UP
P
RE
S
IO
N
(
d
Bc)
–30
1000
–32
–34
–36
–38
–40
–42
–44
–46
–48
–50
950
900
850
800
750
700
650
600
550
500
450
400
350
300
250
VS = 5V, DIFFERENTIAL INPUT = 1.2V p-p
VS = 2.7V, DIFFERENTIAL INPUT = 200mV p-p
0
093
2-
015
Figure 11. Sideband Suppression vs. FLO
(TA = 25°C, LO Level = 2 dBm, FBB = 1 MHz,
I and Q Inputs Driven in Quadrature)
BASEBAND FREQUENCY (MHz)
S
IDE
BA
ND
S
U
P
R
E
S
IO
N
(d
Bc)
–26
50
–28
–30
–32
–34
–36
–38
–40
–42
–44
45
40
35
30
25
20
15
10
5
0
VS = 5V, DIFFERENTIAL INPUT = 1.2V p-p
VS = 2.7V, DIFFERENTIAL INPUT = 200mV p-p
00932-
0
16
Figure 12. Sideband Suppression vs. FBB
(TA = 25°C, FLO = 800 MHz, LO Level = 2 dBm,
I and Q Inputs Driven in Quadrature)
TEMPERATURE (
°C)
S
IDE
BA
ND
S
U
P
R
E
S
IO
N
(
d
Bc)
–35
80
–37
–38
–39
–40
–41
–42
–43
–44
–45
60
40
20
0
–20
–40
–36
VS = 5V, DIFFERENTIAL INPUT = 1.2V p-p
VS = 2.7V, DIFFERENTIAL INPUT = 200mV p-p
00932-
017
Figure 13. Sideband Suppression vs. Temperature
(FLO = 800 MHz, LO Level = 2 dBm, FBB = 1 MHz,
I and Q Inputs Driven in Quadrature)
BASEBAND FREQUENC Y (MHz)
T
HI
R
D
O
RD
E
R
DI
S
T
O
RT
IO
N
(
d
Bc)
–65
0
–60
–55
–50
–45
–40
–35
–30
–25
–20
5
101
52
02
53
03
54
04
55
0
VS = 5V, DIFFERENTIAL INPUT = 1.2V p-p
VS = 2.7V, DIFFERENTIAL INPUT = 200mV p-p
0093
2-
018
Figure 14. Third Order Distortion vs. FBB
(TA = 25°C, FLO = 800 MHz, LO Level = 2 dBm,
I and Q Inputs Driven in Quadrature)
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