Analog Devices AD9776 Instruction Manual page 50

AD9776/AD9778/AD9779
R15
20Ω
D1N
R17
150Ω
AUX1_N
R4 R19
150Ω 300Ω
AUX1_P
R12
150Ω
D1P
R16
20Ω
R24
20Ω
D2N
R25
150Ω
AUX2_N
R2 R27
150Ω 300Ω
AUX2_P
R3
150Ω
D2P
R23
20Ω
C80
2.1pF
C64 C50
17.2pF 17.2pF
L10
55nH
C81
4.5pF
C63 L11 C52
17.2pF 55nH 17.2pF
VDDM
+
C41 C72 C72
10μF 0.1μF 0.1μF
10V
2
DGND2
C51
0.1μF
DGND2
C83
2.1pF
C44 C65
17.2pF 17.2pF
L10
55nH
C82
4.5pF
C43 L11 C79
17.2pF 55nH 17.2pF
Figure 104. Evaluation Board, Rev. D, AD8349 Quadrature Modulator
C19
T2
0.1μF
4 3
2
R13
P S
VAL
5 1
C23
ETC1-1-13
0.1μF
Figure 105. Evaluation Board, Rev. D, DAC Clock Interface
Rev. 0 | Page 50 of 56
C53
R20
0.1μF
40Ω
JP13
R21 R22
40Ω 147.5Ω
2
DGND2
R14
1kΩ
C74
100pF
1
2
2
S
3
C75
ETC1-1-13
100pF
C54
R60
0.1μF
40Ω
JP13
R61 R62
40Ω 147.5Ω
CLK_P
CVDD18
C16
R28 R30
DNB
25Ω 1kΩ
C17
R29 R31
0.1μF
25Ω 300Ω
CLK_N
MODULATED OUTPUT
C47
J4
100pF
1
2
DGND2
VDDM
JP1
2
DGND2 LOCAL OSC OUTPUT
T4
J5
1
5
2
P
4
DGND2
2
DGND2
JP9
JP10
2
DGND2