AD8346
TYPICAL PERFORMANCE CHARACTERISTICS
–6
T = 25°C
–7
2
1
OUTPUT POWER VARIATION (dB)
V
P
= 5.5V
V
P
= 5V
–8
0
–1
–2
–3
–4
–5
–6
–7
–8
0.1
1
10
05335-010
SSB POWER (dBm)
–9
–10
–11
V
P
= 2.7V
–12
–13
05335-007
V
P
= 3V
–14
–15
800
1000
1200
1400 1600 1800 2000
LO FREQUENCY (MHz)
2200
2400
100
BASEBAND FREQUENCY (MHz)
Figure 7. Single Sideband (SSB) Output Power (P
OUT
) vs. LO Frequency (F
LO
).
I and Q inputs driven in quadrature at baseband frequency
(F
BB
) = 100 kHz with differential amplitude of 2.00 V p-p.
–6
–7
Figure 10. I and Q Input Bandwidth. F
LO
=1900 MHz, I or Q inputs
driven with differential amplitude of 2.00 V p-p.
LO = 800MHz, –6dBm
2
0
V
P
= 5V
T = +85°C
V
P
= 5V
T = –40°C
SSB OUTPUT POWER (dBm)
LO = 800MHz, –10dBm
–8
–9
–10
–11
–12
05335-008
SSB OUTPUT P1dB (dBm)
–2
–4
–6
–8
–10
05335-011
LO = 1900MHz, –6dBm
V
P
= 2.7V
T = –40°C
LO = 1900MHz, –10dBm
V
P
= 2.7V
T = +85°C
–12
–14
800
–13
–40 –30 –20 –10
0
10 20 30 40
TEMPERATURE (°C)
50
60
70
80
1000
1200
1400 1600 1800 2000
LO FREQUENCY (MHz)
2200
2400
Figure 8. SSB P
OUT
vs. Temperature. I and Q inputs driven in quadrature
with differential amplitude of 2.00 V p-p at F
BB
= 100 kHz.
–35
–37
V
P
= 5.5V
Figure 11. SSB Output 1 dB Compression Point (OP 1 dB) vs. FLO.
I and Q inputs driven in quadrature at F
BB
= 100 kHz.
30
T
= +85°C
T
= –40°C
25
CARRIER FEEDTHROUGH (dBm)
–39
20
–41
V
P
= 5V
–43
–45
–47
–49
–51
–40 –30 –20 –10
V
P
= 3V
PERCENTAGE
V
P
= 2.7V
15
10
5
05335-009
05335-012
0
10 20 30 40
TEMPERATURE (°C)
50
60
70
80
0
–90
–86
–82
–78 –74 –70 –66 –62 –58 –54
CARRIER FEEDTHROUGH (dBm/
AFTER NULLING TO <–60dBm @ 25°C)
–50
–46
Figure 9. Carrier Feedthrough vs. Temperature.
F
LO
= 1900 MHz, LO input level = –10 dBm.
Figure 12. Histogram Showing Carrier Feedthrough Distributions
at the Temperature Extremes after Nulling at Ambient
at F
LO
= 1900 MHz, LO Input Level = –10 dBm.
Rev. A | Page 7 of 20
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