• 07/14/2017
  • Public Content

HDMI Re-driver

The block diagram below generally reflects the reference expansion board design as shown in the Schematics and BOM. This option includes an HDMI re-driver component. In addition to conditioning the TMDS signal pairs, the HDMI re-driver level-shifts and provides ESD protection for the DDC and HPD signals. The required HPD logic inversion is handled by an N-FET device and the recommended series capacitors, common-mode chokes, and backdrive prevention components are also illustrated.
Note: The HDMI source side DDC and HPD signals on some HDMI re-driver solutions operate at 3.3 V. Be aware that if one of these devices is selected, the DDC and HPD signals will require additional level-shifting to 1.8 V levels.

Product and Performance Information


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Notice revision #20110804