Texas Instruments DS90UB954-Q1EVM, User Manual, Page: 41 / 67

Power over Coax (POC)
GND
GND
VPOC_RX0
GND GND
RIN0_P
RIN0_N
VPOC_RX1
GND GND
RIN1_P
RIN1_N
VPOC_RX0
VPOC_RX1
VPOC_LDO0_9V
Configured for ope ra tion with a
DS 90UB953-Q1.
Configured for ope ra tion with a
DS 90UB933-Q1.
VPOC_LDO1_9V
RX0 ca n be powe re d by 9VLDO0 by insta lling a jumpe r on J 18.
RX0 ca n a ls o be powe re d by re moving the jumpe r on J 18 a nd
the n a tta ching a n e xte rna l s ource to pin 1.
RX1 ca n be powe re d by 9VLDO1 by insta lling a jumpe r on J 17.
RX1 ca n a ls o be powe re d by re moving the jumpe r on J 17 a nd
the n a tta ching a n e xte rna l s ource to pin 1.
GND
1
2 3 4 5
J29
RX0p
1
2 3 4 5
J30
RX0n
1
2 3 4 5
J31
RX1p
0.1uF
C70
0.047uF
C76
0.033uF
C83
0.015uF
C84
0.1uF
C85
10uF
C89
0.1uF
C90
10uF
C91
10uF
C95
0.1uF
C96
10uF
C97
0.1uF
C98
1 2
J 17
1 2
J 18
100uH
L10
10uH
L11
1
2
3 4
L12
L13
L14
L15
L16
100uH
L18
10uH
L19
L20
4.02k
R83
0
R84
49.9
R90
0
R95
49.9
R96
4.02k
R100
4.02k
R108
TP12
1
2
L17
1000 Ohms
47 Ohms
330 Ohms
1000 Ohms
1500 Ohms
1500 Ohms
Figure 15-4. DS90UB954-Q1EVM PoC Circuits - Page 3
www.ti.com DS90UB954-Q1EVM PCB Schematics, Layout and Bill of Materials - DS90UB954-Q1EVM Schematic
SNLU223C – AUGUST 2017 – REVISED NOVEMBER 2022
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