AD8346 Просмотр технического описания (PDF) - Analog Devices
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AD8346 Datasheet PDF : 20 Pages
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–30
–32
VP = 3V
–34
–36
VP = 5.5V
–38
VP = 5V
VP = 2.7V
–40
–42
–44
–40 –30 –20 –10 0 10 20 30 40 50 60 70 80
TEMPERATURE (°C)
Figure 19. Sideband Suppression vs. Temperature.
FLO = 1900 MHz, I and Q inputs driven in quadrature
with differential amplitude of 2.00 V p-p at FBB = 100 kHz.
–30
–6
–35
SSB POUT
–8
–40
–10
–45
–50
–12
–55
–14
–60
–16
–65
–18
–70
3RD HARMONIC
–75
–20
–80
0.5
1.0
1.5
2.0
2.5
BASEBAND DIFFERENTIAL INPUT
VOLTAGE (V p-p)
–22
3.0
Figure 20. Third Harmonic Distortion and SSB Output
Power vs. Baseband Differential Input Voltage Level.
FLO = 1900 MHz, I and Q inputs driven in quadrature at FBB = 100 kHz.
0
–5
–10
T = –40°C
–15
–20
–25
T = +25°C
–30
–35
–40
800
T = +85°C
1000 1200 1400 1600 1800 2000 2200 2400
FREQUENCY (MHz)
Figure 21. Return Loss of VOUT Output vs. FLO.
VPOS = 2.7 V.
AD8346
–40
VP = 2.7V
–45
VP = 3V
–50
VP = 5.5V
–55
VP = 5V
–60
–65
0 2 4 6 8 10 12 14 16 18 20
BASEBAND FREQUENCY (MHz)
Figure 22. Third Harmonic Distortion vs. FBB.
FLO =1900 MHz, I and Q inputs driven in quadrature
with differential amplitude of 2.00 V p-p.
52
50
48
VP = 5.5V
46
VP = 5V
44
42
VP = 3V
40
VP = 2.7V
38
36
–40
–20
0
20
40
60
80
TEMPERATURE (°C)
Figure 23. Power Supply Current vs. Temperature
0
–5
–10
–15
T = –40°C
–20
–25
T = +25°C
–30
T = +85°C
–35
–40
800
1000 1200 1400 1600 1800 2000 2200 2400
FREQUENCY (MHz)
Figure 24. Return Loss of VOUT Output vs. FLO.
VPOS = 5.0 V.
Rev. A | Page 9 of 20
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