AD8344 데이터 시트보기 (PDF) - Analog Devices
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AD8344 Datasheet PDF : 20 Pages
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25
100
INPUT IP3
95
20
90
85
CURRENT
15
80
75
10
70
65
NOISE FIGURE
5
60
55
0
50
2.4 2.6 2.8 3.0 3.2 3.4 3.6 3.8 4.0
RBIAS (kΩ)
Figure 23. Noise Figure, Input IP3 and Supply Current vs. RBIAS, FRF1 = 890 MHz,
FRF2 = 891 MHz, FLO = 1090 MHz
14
13
12
11
10
9
8
7
6
400
13.5
IF = 70
IF = 100
IF = 200
IF = 400
500 600 700 800 900 1000 1100 1200
RF FREQUENCY (MHz)
Figure 24. Noise Figure vs. RF Frequency
13.0
12.5
12.0
11.5
11.0
10.5
10.0
–15 –13 –11 –9 –7 –5 –3 –1 1 3 5
LO POWER (dBm)
Figure 25. Noise Figure vs. LO Power, FRF = 890 MHz, FLO = 1090 MHz
AD8344
14
12
10
8
6
4
2
0
–2
2.4 2.6 2.8 3.0 3.2 3.4 3.6 3.8 4.0
RBIAS (kΩ)
Figure 26. Input P1dB vs. RBIAS, FRF = 890 MHz, FLO = 1090 MHz
11.0
10.5
890MHz
10.0
9.5
9.0
8.5
8.0
7.5
450MHz
7.0
6.5
6.0
70 100
150
200
250
300
350
400
IF FREQUENCY (MHz)
Figure 27. Noise Figure vs. IF Frequency
100
VS = 4.75V
95
VS = 5.0V
VS = 5.25V
90
85
80
75
70
65
60
–40 –30 –20 –10 0 10 20 30 40 50 60 70 80
TEMPERATURE (°C)
Figure 28. Total Supply Current vs. Temperature
Rev. 0 | Page 11 of 20
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