REV. 0
AD8346
–6–
BASEBAND FREQUENCY – MHz
S
–30
0
–32
–34
–36
–38
–40
–42
–44
2
4
6
8
10
12
14
16
18
20
V
P
= +2.7V
V
P
= +5V
V
P
= +3V
V
P
= +5.5V
Figure 11. Sideband Suppression vs.
F
BB
. F
LO
= 1900 MHz, I and Q inputs
driven in quadrature with differential
amplitude of 2.00 V p-p.
TEMPERATURE –
8
C
S
–30
–40
–32
–34
–36
–38
–40
–42
–44
–20
0
20
40
60
80
–30
–10
10
30
50
70
V
P
= +5V
V
P
= +5.5V
V
P
= +2.7V
V
P
= +3V
Figure 14. Sideband Suppression vs.
Temperature. F
LO
= 1900 MHz, I and
Q inputs driven in quadrature with
differential amplitude of 2.00 V p-p at
F
BB
= 100 kHz.
BASEBAND FREQUENCY – MHz
I
D
–40
0
–45
–50
–55
–60
–65
2
4
6
8
10
12
14
16
18
20
V
P
= +2.7V
V
P
= +5V
V
P
= +3V
V
P
= +5.5V
Figure 17. 3rd Harmonic Distortion
vs. F
BB
. F
LO
=1900 MHz, I and Q inputs
driven in quadrature with differential
amplitude of 2.00 V p-p.
TEMPERATURE –
8
C
I
D
–35
–40
–45
–50
–55
–60
–65
–70
–40
–20
0
20
40
60
80
–30
–10
10
30
50
70
V
P
= +2.7V
V
P
= +5V
V
P
= +3V
V
P
= +5.5V
Figure 12. 3rd Harmonic Distortion
vs. Temperature. F
LO
=1900 MHz,
I and Q inputs driven in quadrature
with differential amplitude of 2.00 V
p-p at F
BB
= 100 kHz.
BASEBAND DIFFERENTIAL INPUT
VOLTAGE – V
P-P
Figure 15. 3rd Harmonic Distortion
and SSB Output Power vs. Baseband
differential input voltage level. F
LO
=1900 MHz, I and Q inputs driven in
quadrature at F
BB
= 100 kHz.
I
D
–30
0.5
–35
–40
–45
–50
–55
1
1.5
2
2.5
3
–60
–65
–70
–75
–80
–6
–8
–10
–12
–14
–16
–18
–20
–22
S
SSB P
OUT
3RD HARMONIC
TEMPERATURE –
8
C
52
50
48
46
44
42
40
38
–40
–20
0
20
40
60
80
36
S
V
P
= +2.7V
V
P
= +5V
V
P
= +3V
V
P
= +5.5V
Figure 18. Power Supply Current vs.
Temperature
FREQUENCY – MHz
0
–2
–4
–6
–8
–10
–12
–14
800
1200
1600
2000
–20
R
2400
–16
–18
1400
1800
2200
1000
T = +25
8
C
T = +85
8
C
T = –40
8
C
Figure 13. Return Loss of LOIN Input
vs. F
LO
. V
POS
= 5.0 V, LOIP pin ac
coupled to ground.
FREQUENCY – MHz
0
–5
–10
–15
–20
–25
–30
800
1200
1600
2000
–40
R
2400
–35
1400
1800
2200
1000
T = +25
8
C
T = +85
8
C
T = –40
8
C
Figure 16. Return Loss of V
OUT
Out-
put vs. F
LO
. V
POS
= 2.7 V.
FREQUENCY – MHz
0
–5
–10
–15
–20
–25
–30
800
1200
1600
2000
–40
R
2400
–35
1400
1800
2200
1000
T = +25
8
C
T = +85
8
C
T = –40
8
C
Figure 19. Return Loss of V
OUT
Out-
put vs. F
LO
. V
POS
= 5.0 V.