Article ID: 000075861 Content Type: Troubleshooting Last Reviewed: 12/31/2013

Should I use AC or DC coupling when implementing the SerialLite II Protocol?

Environment

  • Stratix® IV GX FPGA
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Description

The Stratix® IV GX and GT transmitter can be DC-coupled to a Stratix IV GX and GT receiver for the entire operating data rate range of Stratix IV GX, from 600 Mbps to 8.5 Gbps.

If your FPGA SerialLite® II interfaces with a 3rd party device then Altera® recommend AC coupling.

You should perform signal integrity simulations on your transceiver interface to ensure device compatibility.

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