How to set the ONET1151L bias current and modulation current

James Xu

Prodigy 55 points

Other Parts Discussed in Thread: ONET1151P, MSP430FR5739, ONET1151L

recently i design my own SFP+ module with ONET1151L ,ONET1151P, and MSP430FR5739 .

But how to Set the Parameter of ONET1151L and ONET1151P correctly have confused me for a long time.

the eye diagram of my SFP+ module is rather bad.

could TI provide the DEMO Code or application Note of design???? i really need your help.

thank you !

over 8 years ago

0 Luis Omar Moran over 8 years ago

TI__Genius 16150 points

Hi James,

We are checking your question. ASAP I will be back with the answer.

Regards,
Luis Omar Morán Serna
High Speed Interface
SWAT Team

0 Luis Omar Moran over 8 years ago

TI__Genius 16150 points

Hello James,

Could you provide the eye diagram and your current configuration to figure out the issue?

As well, have you tried with different settings for BIASC[0:9], CPENA, DE and MODC?

Best Regards,
Luis

Interface

Interface forum

How to set the ONET1151L bias current and modulation current