F-Tile Architecture and PMA and FEC Direct PHY IP User Guide

ID 683872
Date 11/04/2024
Public
Document Table of Contents

2.4.1.2.1. FGT Reference Clock Receiver Analog Front End

A simplified FGT efeece clock eceive aalog fot ed is show i the followig figue.
Figue 52. Simplified FGT Refeece Clock RX Aalog Fot Ed
Whe FGT clock iput is AC-coupled o boad, o exteal temiatio o DC biasig is eeded. If DC-Coupled o boad, exteal biasig is ot equied uless a sigalig stadad othe tha diffeetial 100 ohm temiatio is equied.
Note: The o-chip iteal temiatio esistos ae active oce the device is poweed o, o matte whethe the device is cofigued o ot. The o-chip iteal temiatio esistos ae iactive if the device is poweed-off.