Datasheet

AD9773
Rev. D | Page 44 of 60
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
AMPLITUDE (dBm)
FREQUENCY (MHz)
1002030
02857-089
40
Figure 89. AD9773 Real DAC Output of Complex Input Signal Near Baseband
(Positive Frequencies Only), Interpolation = 4x, No Modulation in AD9773
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
AMPLITUDE (dBm)
790780760 770750 800 810 820 830
FREQUENCY (MHz)
02857-090
Figure 90. AD9773 Complex Output from
Figure 89, Now Quadrature Modulated
by AD8345 (LO = 800 MHz)
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
AMPLITUDE (dBm)
FREQUENCY (MHz)
1002030
02857-091
40
Figure 91. AD9773 Real DAC Output of Complex Input Signal Near
Baseband (Positive 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)
02857-092
Figure 92. AD9773 Complex Output from
Figure 91, Now Quadrature Modulated
by AD8345 (LO = 800 MHz)