AD8345(REV0) Просмотр технического описания (PDF) - Analog Devices
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AD8345 Datasheet PDF : 16 Pages
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AD8345
–30
–32
–34
–36
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–40
VS = 5V, DIFFERENTIAL INPUT = 1.2V p-p
–42
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–46
VS = 2.7V, DIFFERENTIAL INPUT = 200mV p-p
–48
–50
–40
–20
0
20
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60
80
TEMPERATURE – ؇C
TPC 7. Carrier Feedthrough vs. Temperature.
(FLO = 800 MHz, LO Level = –2 dBm)
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28
T = +85
26
T = –40
24
22
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8
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4
2
0
–86 –82 –78 –74 –70 –66 –62 –58 –54 –50
CARRIER FEEDTHROUGH – dBm
AFTER NULLING TO Ͻ–65dBm AT +25؇C
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)
–30
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–34
VS = 2.7V, DIFFERENTIAL INPUT = 200mV p-p
–36
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–40
–42
VS = 5V, DIFFERENTIAL INPUT = 1.2V p-p
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–50
250 300 350 400 450 500 550 600 650 700 750 800 850 900 9501000
LO FREQUENCY – MHz
TPC 9. Sideband Suppression vs. FLO. (TA = 25°C,
LO Level = –2 dBm, FBB = 1 MHz, I and Q Inputs
Driven in Quadrature)
–26
–28
VS = 5V, DIFFERENTIAL INPUT = 1.2V p-p
–30
–32
–34
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–38
–40
–42
VS = 2.7V, DIFFERENTIAL INPUT = 200mV p-p
–44
0 5 10 15 20 25 30 35 40 45 50
BASEBAND FREQUENCY – MHz
TPC 10. Sideband Suppression vs. FBB. (TA = 25°C,
FLO = 800 MHz, LO Level = –2 dBm, I and Q Inputs
Driven in Quadrature)
–35
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–38
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–40
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–42
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–44
–45
–40
VS = 2.7V, DIFFERENTIAL INPUT = 200mV p-p
VS = 5V, DIFFERENTIAL INPUT = 1.2V p-p
–20
0
20
40
60
80
TEMPERATURE – ؇C
TPC 11. Sideband Suppression vs. Temperature.
(FLO = 800 MHz, LO Level = –2 dBm, FBB =1 MHz,
I and Q Inputs Driven in Quadrature)
–20
–25
VS = 5V, DIFFERENTIAL INPUT = 1.2V p-p
–30
–35
–40
–45
–50
VS = 2.7V, DIFFERENTIAL INPUT = 200mV p-p
–55
–60
–65
0
5 10 15 20 25 30 35 40 45 50
BASEBAND FREQUENCY – MHz
TPC 12. Third Order Distortion vs. FBB. (TA = 25°C,
FLO = 800 MHz, LO Level = –2 dBm, I and Q Inputs
Driven in Quadrature)
–6–
REV. 0
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