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