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AR# 42047

LogiCORE Digital Pre-distortion(DPD) - Is there a minimum power limit on the SRX interface?

Description

Does the LogiCORE Digital Pre-distortion (DPD) v4.0 have a minimum power requirementfor SRX input?

Solution

There is a minimum power requirement on both the tx and the srx paths. The limit is -30dBFS. In v4.0, the average power is computed over the entire frame. There is currently no way to adjust the -30dBFS limit.

For a detailed list of Digital Pre-Distortion (DPD) Release Notes and Known Issues, see (Xilinx Answer 33521).

AR# 42047
Date Created 06/17/2011
Last Updated 12/15/2012
Status Active
Type General Article
IP
  • Digital Pre-Distortion (DPD)