This data sheet provides an overview of the features and characteristics of the SAA4981, including a fixed horizontal compression factor of 4/3, support for three fixed screen positions, a bandwidth of 5 MHz, a bypass function, inputs for luminance and chrominance of side panels, standard video inputs and outputs (Y, (B-Y) and (R-Y)), no processing of horizontal and vertical sync signals, and pre-filters and post-filters on chip