Flip-Flop B211

Summary This document is an engineering schematic for the "Flip-Flop B211" circuit module, produced by Digital Equipment Corporation in 1965. The schematic details the electronic components and interconnections of the module, which utilizes 2N4258 transistors and D662 diodes. Key information provided includes a transistor and diode conversion chart, specific resistance and capacitance values, and power requirements for the circuit (indicated as -3V, -3.5V, -2.2V, -4.2V, and -15V). The document is marked as revision "H."