The Bell System technical journal . Fig. 31—Laboratory model of encoder- transistor-register using transistorpackages. 440 THE BELL SYSTEM TECHNICAL JOURNAL, MAY 1952. Fig. 32—Packaged oscillator and amplifier using junction transistors. only the
Finding the Noise Figure for Transistor Level - Example - Rahsoft
Transistor snob question: BC550c vs. 2n5089 & BC109c for noise?