Part Number: LMH1297 Tool/software: Hi team:
I want to get the EOM, I set the CTLE/CDR , but I can't read the correct EOM. And the HEO, VEO is also wrong.
I use this to set the CTLE/CDR:
COMMAND REGISTER VALUE MASK //COMMENTS RAW FF 04 07 //Select CTLE…
Part Number: LMH1297
Tool/software:
SDI and Ethernet retimers provide a feature to capture:
1). HEO/VEO indicating horizontal and vertical eye opening
2). Additionally one can capture post equalized eye diagram as well.
Attached file discusses these…
Part Number: LMH1297
When signal goes through two different transmission line, signal may get reflected based on difference between these two medias impedances. Return loss is the ratio of the reflected signal to the launched signal. If signal goes through…
Hi Murai,
Masaaki MURAI said: >Then the degradation in eye quality could be due to these rate changes.
What does it mean?
I would like to make sure if any register setting is needed with rate change.
TI recommends issuing CDR Reset and Release after…
Part Number: LMH1297 Hi everyone
We recently assembled a board using the LMH1297.
According to previous information we received from Texas support, we understand that any device in the LMH family should work without programming, taking into account that…
Part Number: LMH1297 Other Parts Discussed in Thread: LMH1229 About the current issues at our company.
Our testing uses color bars and pathological signal sources. For both signal sources, the transmission distance for pathological signals was inferior…
