Inverting Gate K113

This document is a technical schematic for a Digital Equipment Corporation "Inverting Gate K113" circuit board, dated March 27, 1967. The circuit consists of three identical stages, each utilizing a transistor-diode logic configuration. Each stage includes input diodes, a transistor (Q1/Q2, Q3/Q4, or Q5/Q6), capacitors for signal coupling, and resistors for biasing. The diagram includes a transistor and diode conversion chart and specifies standard component values and tolerances for maintenance purposes.