AD9775-EB Analog Devices, Inc., AD9775-EB Datasheet - Page 41

• Manufacturer Part Number: AD9775-EB
• Description: 14-bit, 160 Msps, 2?/4?/8? Interpolating Dual Txdac+ Digital-to-analog Converter
• Manufacturer: Analog Devices, Inc.

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Figure 91. AD9775 Real DAC Output of Complex Input Signal Near
Figure 93. AD9775 Real DAC Output of Complex Input Signal Near
0
0
0
750
0
0
Baseband (Negative Frequencies Only), Interpolation = 4×,
Baseband (Positive Frequencies Only), Interpolation = 4×,
Now Quadrature Modulated by AD8345 (LO = 800 MHz)
Figure 92. AD9775 Complex Output from Figure 91,
760
Complex Modulation in AD9775 = +fDAC/4
Complex Modulation in AD9775 = −f
770
10
10
780
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
790
20
20
800
810
30
30
820
830
40
40
DAC
/4
840
850
50
50
Rev. E | Page 41 of 56
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Figure 95. AD9775 Real DAC Output of Complex Input Signal Near
0
0
0
750
700
0
Baseband (Positive Frequencies Only), Interpolation = 8×,
Now Quadrature Modulated by AD8345 (LO = 800 MHz)
Now Quadrature Modulated by AD8345 (LO = 800 MHz)
Figure 94. AD9775 Complex Output from Figure 93,
Figure 96. AD9775 Complex Output from Figure 95,
760
720
Complex Modulation in AD9775 = +f
770
740
20
780
760
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
790
780
40
800
800
810
820
60
820
840
830
860
80
DAC
/8
840
880
AD9775
850
100
900