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OUTPUT FORMAT
HCSL
(1)
50-Ω to V
– 2-V termination is required on receiver.
CC
(2)
100-Ω differential termination (R31) is provided onboard. Removing this termination is possible if the differential termination is available
on the receiver.
B.3 Typical Output Characteristics
Figure B-2. Default Output Phase Nosie
B.4 Firmware Update
Usually when the Reference PRO board is used at the first time, TICS Pro will request for a firmware update.
Simply follow the pop-up instructions to complete the update. This is necessary to ensure that the USB
connection between the PC and the Reference PRO board is properly setup, otherwise the programming to
LMX2571EPEVM will not be successful.
1. When you see this message, click the OK button.
SNAU182 – MARCH 2021
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Table B-3. Output Termination Configuration (continued)
COUPLING
AC
DC
Figure B-1. Output Termination Schematic
Copyright © 2021 Texas Instruments Incorporated
COMPONENT
R25, R28
R26, R29
C24, C25
R27, R30, R31
R25, R28, C24, C25
R26, R29
R27, R30, R31
Figure B-3. Default Output Waveform
LMX2571EPEVM Evaluation Instructions
Reference PRO
VALUE
0 Ω
50 Ω
0.01 µF
DNP
0 Ω
50 Ω
DNP
17
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