Switch Filter W700

This document is a technical schematic for a Digital Equipment Corporation "Switch Filter" circuit, dated August 1964. The circuit design features a series of resistors, capacitors, and diodes (specifically D-664) arranged to process signals, likely for use in early computing or signal-switching hardware. The schematic includes a component conversion chart for transistors and diodes, and notes that the circuit is proprietary and intended for test and maintenance purposes.