Y Diode Matrix G614

This document is a technical schematic for a Y Diode Matrix (part number G614) designed by Digital Equipment Corporation in 1969. The schematic details an array of 1N3656 diodes organized into columns and rows, intended for use in electronic circuitry. It includes standard hardware specifications, noting that all components are mounted on both sides of the etch board and that the diodes used are type D672.