Datasheet

AD9773
Rev. D | Page 45 of 60
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
AMPLITUDE (dBm)
FREQUENCY (MHz)
1002030
02857-093
40
Figure 93. AD9773 Real DAC Output of Complex Input Signal Near
Baseband (Negative Frequencies Only), Interpolation = 4x,
Complex Modulation in AD9773 = −f
DAC
/4
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
AMPLITUDE (dBm)
790780760 770750 800 810 820 830
FREQUENCY (MHz)
02857-094
Figure 94. AD9773 Complex Output from
Figure 93, Now Quadrature Modulated
by AD8345 (LO = 800 MHz)
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
AMPLITUDE (dBm)
FREQUENCY (MHz)
2004060
02857-095
80
Figure 95. AD9773 Real DAC Output of Complex Input Signal Near
Baseband (Positive Frequencies Only), Interpolation = 8x,
Complex Modulation in AD9773 = +f
DAC
/8
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
AMPLITUDE (dBm)
780760720 740700 800 820 840 860
FREQUENCY (MHz)
02857-096
Figure 96. AD9773 Complex Output from
Figure 95, Now Quadrature Modulated
by AD8345 (LO = 800 MHz)