Pulse Amplifier R602

This document is a technical schematic diagram for a Digital Equipment Corporation (DEC) Pulse Amplifier module (R602).

Key features include:

• Circuitry: The diagram details the configuration of transistors (DEC 3639C and 2894-2B), various diodes (D-662 and D-664), resistors, and capacitors.
• Power Specifications: The circuit is designed to operate with a +10V, -15V, and ground (OC, N GND) power supply.
• Component Details: It includes a "Transistor & Diode Conversion Chart" mapping the internal DEC part numbers to industry-standard EIA equivalents (e.g., D-662 to 1N645, D-664 to 1N3606).
• Administrative Data: The document is dated June 1964 and notes that the schematic is intended solely for test and maintenance purposes, emphasizing its proprietary nature.