Transistor and Diode Conversion Chart 50 Ohm Or Bus Driver

This document is a technical schematic for the M663 50 Ohm "OR" Bus Driver, manufactured by the Digital Equipment Corporation. The diagram illustrates the electrical circuitry, including a series of transistors (DEC 4258, DEC 30098, and DEC 2904) and various diodes and resistors configured to manage signal routing. It includes a detailed component layout/pinout diagram and a parts list specifying values for resistors, capacitors, and semiconductors. The document also provides a conversion chart for the transistors and diodes used in the circuit.