adl5385 Analog Devices, Inc., adl5385 Datasheet - Page 9

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

Carrier Feedthrough and Sideband Suppression vs. Baseband Single-
Figure 9. SSB Output Power, Second- and Third-Order Distortion,
–20
–25
–30
–35
–40
–45
–50
–55
–60
–65
–70
–10
–20
–30
–40
–50
–60
–70
–80
–90
–20
–30
–40
–50
–60
–70
–80
Figure 10. Sideband Suppression vs. Output Frequency and
1M
0
Figure 11. Sideband Suppression vs. Baseband Frequency;
50
0.2
SSB OUTPUT POWER (dBm)
CARRIER FEEDTHROUGH (dBm)
SIDEBAND SUPPRESSION (dBc)
SECOND-ORDER DISTORTION (dBc)
THIRD-ORDER DISTORTION (dBc)
Ended Input Level; Output Frequency = 860 MHz
0.6
550
1.0
Output Frequency = 350 MHz
BASEBAND FREQUENCY (Hz)
BASEBAND AMPLITUDE (V p-p)
OUTPUT FREQUENCY (MHz)
1.4
Temperature
1050
10M
1.8
2.2
1550
2.6
T
T
T
3.0
A
A
A
= –40°C
= +25°C
= +85°C
2050
100M
3.4
15
10
5
0
–5
–10
–15
Rev. 0 | Page 9 of 24
Figure 12. Distribution of Peak Q Amplitude to Null Undesired Sideband
Figure 14. Sideband Suppression Distribution at Temperature Extremes,
0.7100
0.7075
0.7050
0.7025
0.7000
0.6975
0.6950
0.6925
0.6900
Figure 13. Distribution of IQ Phase to Null Undesired Sideband
–10
–20
–30
–40
–50
–60
–70
–80
–90
After Sideband Suppression Nulled to < −50 dBc at T
98
97
96
95
94
93
92
91
90
89
88
0
50
50
50
250
250
250
(Peak I Amplitude Held Constant at 0.7 V)
450
450
450
OUTPUT FREQUENCY (MHz)
OUTPUT FREQUENCY (MHz)
650
OUTPUT FREQUENCY (MHz)
650
650
850
850
850
1050 1250 1450 1650 1850
1050 1250 1450 1650 1850
1050 1250 1450 1650 1850
T
T
T
A
A
A
A
= +25°C
= –40°C
= +25°C
= +85°C
ADL5385