Datasheet

AD9271
Rev. B | Page 46 of 60
06304-087
AIN CHE AIN CHF
0-DN P R22 2
R21 2 0-DN P
J20 1
49 R2 R2 0
J20 2
0 R2
AIN CHG AIN CHH
3
52
41 6
ADT1-1WT +
T20 4
6
14
25
3
T20 2
ADT1-1WT +
6
14
25
3
T20 3
ADT1-1WT +
3
52
41 6
ADT1-1WT +
T20 1
0-DN P R24 1
R23 1 0-DN P
CT H
CT G
CT F
CT E
49.9-DN P R21 9
R20 8
200
C21 0 22PF
C21 6 0.1UF-D N P22PF
C21 4
0.1UF-DN P C21 2
22PF C20 6 C20 8
0.1UF-D N P
0.1UF-D N P
C22 0
C21 9
0.1UF-DN P
0.1UF-D N P
C21 8
C21 7
0.1UF-DN P
R24 2 10K-DN P
0-DN P
R25 4
C20 1
0.1UF
R20 1 49.9-DN P
.9-DN P
1 0 R22 8
49.9-DN P
GND H
CTH
CT G
GND G
GND F
CT F
CT E
GND E
LG E LI E LOSW E LO- E
0
R20 5
R20 7
1K-DN P
C20 3
0.1UF
0-DN P R20 9R20 6
0
0 R24 9
R20 2
0
R20 3 0
AVD D
10K-DN P R24 3
49.9 R25 8
0 R22 1
R23 2
0
0.1UF
C22 1
0.1UF
C20 5 C22 2
0.1UF
0
R26 2
3 0
R25 9 49.9
10K-DN P R20 4 R24 4 10K-DN P
AVD D
3 8
0
R21 1
R25 0 0
0 R21 5 R21 8
0-DN P
R25 5
0-DN P
0.1UF
C20 7
1K-DN P
R21 6
200
R21 7
R21 4
0
LO- F LOSW F LI F LGF LGH
LI H LOSW H LO- H
0
R22 3
R23 5
200
R23 4
1K-DN P
C21 5
0.1UF
0-DN P
R25 7
0-DN P R23 6R2 3 3
0
0 R25 2
R22 9
0
R24 0 0
AVD D
10K-DN P R24 8 R24 7 10K-DN P
49.9 R26 1
J20 4
0 R25 3
R26 4
0
0.1UF
C22 4 C21 3
0.1UF
0.1UF
C20 9 C22 3
0.1UF
0
R26 3
R23 7 0
J20 3
R26 0 49.9
10K-DN P R24 5 R24 6 10K-DN P
AVD D
0 R23 9
0
R21 3
R25 1 0
0 R224 R227
0-DN P
R25 6
0-DN P
0.1UF
C21 1
1K-DN P
R22 5
200
R22 6
R22 0
0
LO- G LOSW G LI G LG G
C20 2 22PF 0.1UF-DN P
C20 4
Figure 76. Evaluation Board Schematic, DUT Analog Input Circuits (Continued)