- Ask a related questionWhat is a related question?A related question is a question created from another question. When the related question is created, it will be automatically linked to the original question.
Dear team,
Below is 936's RIN trace, and they use COAX cable. They use pseudo-differential signal traces here in order to reduce common mode noise. They have two questions here,
1. Can we use the pseudo-differential signal traces under COAX mode?
2. If it is ok to use pseudo-differential signal traces, then how do we set the characteristic impedance of pseudo-differential signal traces, 50ohm or 100ohm?
Thanks & Best Regards,
Sherry
Hi Sherry,
It's typically recommended to loosely couple the RIN+/RIN- traces, making the spacing greater than 3x the width of the trace. Given the COAX and single-ended to the termination, 50 ohm termination is required.
Regards,
Logan
