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Altera_Forum
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13 years ago

CYCLON IV GX - ALTGX Won't recieve any valid data

Hello I'm new in the forum, seems like very nice one me and my partner working on a final project for the university engineering degree. We have designed and manufactured two printed circu...
Altera_Forum's avatar
Altera_Forum
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13 years ago

Okay let me clarify.

we chose to use the LVDS standard for the input of our reciever, the signal path is going from fpga# 1 to a pcml -> lvpecl converter to an AC coupled fiber transceiver (the ac coupling is internal.)

after the fiber it goes to another converter from lvpecl to lvds and from that converter with a termination resistor into the rx of fpga# 2

I've added the schematic for you to look.