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AD8345-EVAL Datasheet(数据表) 6 Page - Analog Devices

部件型号  AD8345-EVAL
说明  250 MHz.1000 MHz Quadrature Modulator
下载  16 Pages
Scroll/Zoom Zoom In 100% Zoom Out
制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 

 6 page
background image
REV. 0
AD8345
–6–
TEMPERATURE – C
–40
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
TPC 7. Carrier Feedthrough vs. Temperature.
(FLO = 800 MHz, LO Level = –2 dBm)
CARRIER FEEDTHROUGH – dBm
AFTER NULLING TO
–65dBm AT +25 C
–86
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
TPC 8. 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
–30
VS = 5V, DIFFERENTIAL INPUT = 1.2V p-p
VS = 2.7V, DIFFERENTIAL INPUT = 200mV p-p
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
TPC 9. Sideband Suppression vs. FLO. (TA = 25
°C,
LO Level = –2 dBm, FBB = 1 MHz, I and Q Inputs
Driven in Quadrature)
BASEBAND FREQUENCY – MHz
–26
VS = 5V, DIFFERENTIAL INPUT = 1.2V p-p
VS = 2.7V, DIFFERENTIAL INPUT = 200mV p-p
50
–28
–30
–32
–34
–36
–38
–40
–42
–44
45
40
35
30
25
20
15
10
5
0
TPC 10. Sideband Suppression vs. FBB. (TA = 25
°C,
FLO = 800 MHz, LO Level = –2 dBm, I and Q Inputs
Driven in Quadrature)
TEMPERATURE – C
–35
80
–37
–38
–39
–40
–41
–42
–43
–44
–45
60
40
20
0
–20
–40
–36
VS = 2.7V, DIFFERENTIAL INPUT = 200mV p-p
VS = 5V, DIFFERENTIAL INPUT = 1.2V p-p
TPC 11. Sideband Suppression vs. Temperature.
(FLO = 800 MHz, LO Level = –2 dBm, FBB =1 MHz,
I and Q Inputs Driven in Quadrature)
BASEBAND FREQUENCY – MHz
VS = 2.7V, DIFFERENTIAL INPUT = 200mV p-p
–65
0
VS = 5V, DIFFERENTIAL INPUT = 1.2V p-p
–60
–55
–50
–45
–40
–35
–30
–25
–20
5
101520253035404550
TPC 12. 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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