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2.2 Cable Driver Schematic
CD
LOOP-THROUGH
+3.3V
C47
10n
R40
750R
A_GND
4
SD_EN/DIS
6
SD_EN/DIS
7
SDO
1
SDO
SDO
2
SDO
R48
R49
49R9
49R9
C57
10n
A_GND
CD Power Decoupling & Filtering
VCC_3.3V
R9
0R
C20
C21
10n
1u
R94
0R
GND
Figure 2-2: Cable Driver Schematic
EB-GS2971
Evaluation Board User Guide
52169 - 2
June 2012
+3.3V
SD closed
JP4
HD open
R41
75R
R92
10K
10
RSET
SD/HD
DISABLE
NC
A_GND
12
SDI
SDO
U7
GS2978
11
SDO
SDI
75-ohm traces
A_GND
+3.3V
C22
C23
1u
10n
A_GND
C48
R43
10n
75R
A_GND
C50
4u7
R44
75R
A_GND
L4
5n6
C52
4u7
R47
75R
SDI OUT
Proprietary & Confidential
10 of 22
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