Memory Bus Transmitter M665

This document is a technical schematic and parts list for the Digital Equipment Corporation (DEC) Memory Bus Transmitter, model M665. The schematic illustrates the electronic circuit design, featuring various transistors (DEC 3009B, 6534D), diodes (FD777, D664, 6662), resistors, and capacitors. It provides the wiring configuration and signal flow for the transmitter, including power supply connections (+5V, -15V, and ground). Additionally, the document includes a comprehensive parts list detailing component specifications and quantities required for the board, as well as reference notes regarding standard resistor and transistor tolerances.