adl5385 Analog Devices, Inc., adl5385 Datasheet - Page 10

• Manufacturer Part Number: adl5385
• Description: 50 Mhz To 2200 Mhz Quadrature Modulator
• Manufacturer: Analog Devices, Inc.

ADL5385
Figure 15. Distribution of Sideband Suppression vs. LO Input Power at
Figure 16. Distribution Carrier Feedthrough vs. Output Frequency and
Figure 17. Carrier Feedthrough Distribution at Temperature Extremes,
–20
–30
–40
–50
–60
–70
–80
–90
–20
–30
–40
–50
–60
–70
–80
–10
–20
–30
–40
–50
–60
–70
–80
–90
0
–10
50
50
After Nulling to < −65 dBm at T
–8
550
550
–6
50 MHz and 350 MHz
OUTPUT FREQUENCY (MHz)
OUTPUT FREQUENCY (MHz)
LO AMPLITUDE (dBm)
Temperature
–4
1050
1050
–2
1550
1550
A
0
= +25°C
2
T
T
T
T
T
T
A
A
A
A
A
A
50MHz
350MHz
= –40°C
= +25°C
= +85°C
= –40°C
= +25°C
= +85°C
2050
2050
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–0.002
–0.004
–0.006
–0.008
–0.010
Figure 19. Distribution Carrier Feedthrough vs. LO Input Power at
Figure 20. OIP3 and OIP2 vs. Output Frequency and Temperature
0.010
0.008
0.006
0.004
0.002
Figure 18. Distribution of I and Q Offset Required to Null Carrier
–20
–30
–40
–50
–60
–70
–80
–90
80
70
60
50
40
30
20
10
0
0
–10
50
50
–8
550
550
–6
OUTPUT FREQUENCY (MHz)
50 MHz and 350 MHz
OUTPUT FREQUENCY (MHz)
LO AMPLITUDE (dBm)
Feedthrough
–4
1050
1050
–2
Q OFFSET
OIP2
OIP3
I OFFSET
1550
1550
0
2
T
T
T
A
A
A
50MHz
350MHz
= –40°C
= +25°C
= +85°C
2050
2050
4