6-Bit D/A Comparator and Switch

This document is a technical schematic and parts list for a Digital Equipment Corporation "6-Bit D/A Comparator and Switch" printed circuit board. The document includes a diagram of the electronic circuitry, detailing the arrangement of transistors, diodes, capacitors, and resistors on the board. Additionally, it provides a comprehensive parts list, identifying each component by its item number, Digital Equipment Corporation part number, description, and quantity used. The document also notes that the schematic is intended for test and maintenance purposes and contains proprietary information.