Marshall Converters 
Marshall BC-0301-10 Converter SDI to Video (SDI 10 Bit) BC030110

Marshall's cost effective BC030110 digital to analog module can be configured for use in a variety of applications. The unit features to simultaneous Composite Video and S-Video D/A (10 bit) conversion. 4x over sampling provides superb analog images. There is also a built in Color Bar Generator, System indicator (PAL/NTSC) , and dipswitch settings for Pedestal (On/Off), UV Level Control (700ma/1000ma), Clamping Position (Front Porch/Back Porch), and Clamping Delay Position (Positive/Negative). All Marshall Electronics Processing and Distribution modules include power supply and owners manual