Figure 15-4. Ds90Ub954-Q1Evm Poc Circuits - Texas Instruments DS90UB954-Q1EVM User Manual

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Power over Coax (POC)
J29
1
RX0p
R90
49.9
J30
1
RX0n
GND
TP 12
J31
1
RX1p
GND
SNLU223C – AUGUST 2017 – REVISED NOVEMBER 2022
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L11 L10
L13
10uH 100uH
1000 Ohms
R83 R84
C85 C89
0.1uF 10uF
4.02k 0
L14
330 Ohms
GND
L17
47 Ohms
C83
0.033uF
L12
C84
0.015uF
R95
0
L19 L18
10uH 100uH
R100 R108
C98 C97
L15 0.1uF 10uF
4.02k 4.02k
1500 Ohms
L16
1500 Ohms GND
C70
0.1uF
C76
R96
49.9
0.047uF
GND
Figure 15-4. DS90UB954-Q1EVM PoC Circuits - Page 3
Copyright © 2022 Texas Instruments Incorporated
DS90UB954-Q1EVM PCB Schematics, Layout and Bill of Materials - DS90UB954-Q1EVM Schematic
VPOC_RX0
C90 C91
0.1uF 10uF
GND
RIN0_P
Configure d for ope ra tion with a
DS 90UB953-Q1.
RIN0_N
VPOC_RX1
L20
1000 Ohms
C96 C95
0.1uF 10uF
GND
RIN1_P
Configure d for ope ra tion with a
DS 90UB933-Q1.
RIN1_N
VPOC_LDO0_9V VPOC_RX0
J 18
RX0 ca n be powe re d by 9VLDO0 by ins ta 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.
VPOC_LDO1_9V VPOC_RX1
J 17
RX1 ca n be powe re d by 9VLDO1 by ins ta 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.
DS90UB954-Q1EVM Deserializer User's Guide 41