Positive Level Driver M660

This document is a technical schematic for a Positive Level Driver (model M660) produced by Digital Equipment Corporation in 1968. It details the electrical circuitry, which utilizes integrated circuits (DEC7401N) and transistors (DEC3009B-S) to function as a level driver. The schematic includes a comprehensive parts list specifying resistors, capacitors, and semiconductor components, as well as configuration notes regarding pin assignments for the integrated circuits.