В аппликухе то же под fig 13
https://www.we-online.com/files/pdf1/wuerth-elektronik_digital-days-2022_design-of-a-gb-ethernet-front-end-v1.pdf
https://support.microchip.com/s/aro721295…_Front_End.pdfticle/Design-Guidance-on-Current-Mode-and-Voltage-Mode-PHYs--Center-Tap-of-Transformers
VPPD-01474.pdf