AD8346
Rev. A | Page 7 of 20
TYPICAL PERFORMANCE CHARACTERISTICS
LO FREQUENCY (MHz)
SSB POWER (dBm)
–6
–7
–8
–9
–10
–11
–12
–13
–14
–15
1200 1600 2000 2400800
1400 1800 22001000
T = 25°C
V
P
= 5.5V
V
P
= 5V
V
P
= 2.7V
V
P
= 3V
05335-007
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.
SSB OUTPUT POWER (dBm)
–6
–7
–8
–9
–10
–11
–12
–13
LO = 1900MHz, –10dBm
LO = 800MHz, –10dBm
LO = 1900MHz, –6dBm
LO = 800MHz, –6dBm
TEMPERATURE (°C)
–40 –20 0 20304050607080–30 –10 10
05335-008
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.
TEMPERATURE (°C)
CARRIER FEEDTHROUGH (dBm)
–35
–40 –20
0 20304050607080
–37
–39
–41
–43
–45
–47
–49
–51
–30
–10 10
V
P
= 5V
V
P
= 5.5V
V
P
= 3V
V
P
= 2.7V
05335-009
Figure 9. Carrier Feedthrough vs. Temperature.
F
LO
= 1900 MHz, LO input level = –10 dBm.
BASEBAND FREQUENCY (MHz)
OUTPUT POWER VARIATION (dB)
2
0.1
1 100
10
1
0
–1
–2
–3
–4
–5
–6
–7
–8
05335-010
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 FREQUENCY (MHz)
SSB OUTPUT P1dB (dBm)
2
800
0
–2
–4
–6
–8
–10
–12
1000
–14
1200 1400 1600 1800 2000 2200 2400
V
P
= 2.7V
T = –40°C
V
P
= 2.7V
T = +85°C
V
P
= 5V
T = –40°C
V
P
= 5V
T = +85°C
05335-011
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.
CARRIER FEEDTHROUGH (dBm/
AFTER NULLING TO <–60dBm @ 25°C)
PERCENTAGE
30
–90
25
20
15
10
5
–86
0
–82–78–74–70–66–62–58–54–50–46
T
= +85
°C
T
= –40°C
05335-012
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.
