The LINDY 3G SDI to HDMI converter allows SDI, HD-SDI and 3G SDI signals to be displayed on a HDMI display. The converter also features an SDI pass through feature that allows the connection of an SDI compatible display for viewing, extending or recording. The converter accepts a broadcast quality SDI input and converts to a 1080p HDMI digital video signal for viewing on HDMI equipped HDTVs, monitors and projectors. A DVI-D display may also be connected when used with a suitable HDMI to DVI Adapter Cable.