Datasheet

AD9786
Rev. B | Page 37 of 56
03152-064
–8 –6 –4 –2 0 2 4 68
–
150
–
100
–50
0
0
0
×2INTERPOLATION
×4INTERPOLATION
×8INTERPOLATION
f
SIN
–8 –6 –4 –2 0 2
468
–
150
–
100
–50
f
SIN
–8 –6 –4 –2 0 2 4 6 8
–
150
–
100
–50
f
SIN
INTERP[1] = 0
INTERP[0] = 1
MOD[1] = 0
MOD[0] = 1
INTERP[1] = 1
INTERP[0] = 0
MOD[1] = 0
MOD[0] = 1
INTERP[1] = 1
INTERP[0] = 1
MOD[1] = 0
MOD[0] = 1
Figure 64. Complex Modulation by f
DAC
/2 Under All Interpolation Modes
–8 –6 –4 –2 0
2 4 68
–
150
–
100
–50
0
×2INTERPOLATION
×4INTERPOLATION
×8INTERPOLATION
f
SIN
INTERP[1] = 0
INTERP[0] = 1
MOD[1] = 1
MOD[0] = 0
–8
–6 –4 –2 0 2 4 6 8
–
150
–
100
–50
0
f
SIN
INTERP[1] = 1
INTERP[0] = 0
MOD[1] = 1
MOD[0] = 0
–8 –6 –4 –2 0 2 4 6 8
–
150
–
100
–50
0
f
SIN
INTERP[1] = 1
INTERP[0] = 1
MOD[1] = 1
MOD[0] = 0
03152-065
Figure 65. Complex Modulation by f
DAC
/4 Under All Interpolation Modes
–8 –6 –4 –2 0 2 4 68
–150
–100
–50
0
×2INTERPOLATION
×4INTERPOLATION
×8INTERPOLATION
f
SIN
INTERP[1] = 0
INTERP[0] = 1
MOD[1] = 1
MOD[0] = 1
–8 –6 –4 –2 0 2 4 68
–150
–100
–50
0
f
SIN
INTERP[1] = 1
INTERP[0] = 0
MOD[1] = 1
MOD[0] = 1
–8 –6 –4 –2 0 2 4 68
–150
–100
–50
0
f
SIN
INTERP[1] = 1
INTERP[0] = 1
MOD[1] = 1
MOD[0] = 1
03152-066
Figure 66. Complex Modulation by f
DAC
/8 Under All Interpolation Modes