I want to design a ~30cm long 4-layer flexible PCB which requires 100ohm impedance match for the differential pairs. It seems like as the dielectric layer is very thin, it's hard to do that. Do you have any options or suggestions on that?
| Ranking | Name | Answers |
|---|---|---|
| 1 | PCBWay Team | 3 |
| 2 | Christian Davies | 2 |
| 3 | Alaina Xie | 1 |
