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Ethernet Interface Solutiuon for 100BASE-TX



Hi Everyone,

The project I am working on is similar to what SPF and media converter devices do.

I need to design a circuit that takes 100BASE-TX Ethernet Tx pins and converts it to binary signal for modulating a laser diode.

Also the circuit needs to get the received binary data from photodetector and converts it back to 100BASE-TX Ethernet Rx.

I found a wide range of Ethernet PHY chipsets available. But most of them have MAC Interfaces such as MII, RMII and RGMII.

Now my question is:

1- If I can find a chipset that directly converts Ethernet 100BASE-TX port to one single Tx signal output and one single Rx input?

2- If the answer to the question above is negative, what do I need to perform the proper conversion?

Cheers.