Tektronix mdo3mso 16 channel logic analyser upgrade module tektronix mdo3mso p the tektronix mdo3mso 16 is a channel logic analyser that provides 16 digital channels which are tightly integrated into the tektronix mdo3000 series of oscilloscope s user interface this simplifies operation and makes it possible to solve mixed signal issues easily p tektronix mdo3mso options module for mdo3000 series