AD9775
0
–20
D
AB
CD
AB
C
–40
–60
–80
–100
–2.0 –1.5 –1.0 –0.5 0
0.5 1.0 1.5 2.0
(LO)
fOUT (؋fDATA)
Figure 37. 2× Interpolation, Complex fDAC/4 Modulation
0
–20
D
–40
A
BC
–60
DA
BC
–80
–100
–4.0 –3.0 –2.0 –1.0 0
1.0 2.0 3.0 4.0
(LO)
fOUT (؋fDATA)
Figure 38. 4× Interpolation, Complex fDAC/4 Modulation
0
–20
DA
–40
BC
DA
BC
–60
–80
–100
–8.0 –6.0 –4.0 –2.0 0
2.0 4.0 6.0 8.0
(LO)
fOUT (؋fDATA)
Figure 39. 8× Interpolation, Complex fDAC/4 Modulation
0
–20
–40
DA
–60
B
CD
A
BC
–80
–100
–2.0 –1.5 –1.0 –0.5 0
0.5 1.0 1.5 2.0
(LO)
fOUT (؋fDATA)
Figure 40. 2× Interpolation, Complex fDAC/8 Modulation
0
–20
–40
DA
–60
B CD A
BC
–80
–100
–4.0 –3.0 –2.0 –1.0 0
1.0 2.0 3.0 4.0
(LO)
fOUT (؋fDATA)
Figure 41. 4× Interpolation, Complex fDAC/8 Modulation
0
–20
DA
BC DA
BC
–40
–60
–80
–100
–8.0 –6.0 –4.0 –2.0 0
2.0 4.0 6.0 8.0
(LO)
fOUT (؋fDATA)
Figure 42. 8× Interpolation, Complex fDAC/8 Modulation
–34–
REV. 0