Datasheet

AD9777
Rev. C | Page 45 of 60
–100
–80
–60
–40
–20
0
AMPLITUDE (dBm)
0 20 40 60 80 100
FREQUENCY (MHz)
02706-095
Figure 95. AD9777, Real DAC Output of Complex Input Signal Near
Baseband (Positive Frequencies Only), Interpolation = 8×,
Complex Modulation in AD9777 = +f
DAC
/8
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
AMPLITUDE (dBm)
700 720 740 760 780 800 820 840 860 880 900
FREQUENCY (MHz)
02706-096
Figure 96. AD9777 Complex Output from Figure 95, Now Quadrature
Modulated by AD8345 (LO = 800 MHz)