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Measurement Setup
9
SLLU256 – October 2016
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Copyright © 2016, Texas Instruments Incorporated
ONET1131EC Evaluation Module
5.
Go to the
Transmitter Configuration
page as shown in
Figure 8
.
Figure 8. Transmitter Configuration Page
6. Set
TX Output Mode
to
Single Ended Mode (OUTP)
using the pull-down box.
7. Set the desired
TX Laser Bias Current
with the slider.
8. Set the desired
Transmitter Modulation Current
with the slider.
9. Adjust the
TX Cross Point
with the slider.
10. If the transmitter modulation current is less than approximately 0xC0, then TI recommends using the
slow edge speed mode as selected with the
TX edge speed selection bit
. However, the need for using
this mode is TOSA dependent.