Positive Level Converter W510

This document is a technical schematic diagram for the Digital Equipment Corporation "Positive Level Converter W510," dated October 6, 1964. The circuit utilizes DEC2894-1B transistors and various diodes (D-664 and D-662 types) to facilitate level conversion. The schematic details the wiring, component values (including resistors and capacitors), and input/output designations (A, B, GND, and signal inputs J through U). It includes a transistor and diode conversion chart and specifies that the document is for test and maintenance purposes only.