Optical fiber receiver (CB9736E)

This high sensitivity receiver of 30 nW was found in documentation from the 1980s. Integrated circuits are from that time.

| Clique na imagem para ampliar |

Gemanium Transistors Locking Oscillator (CB14774E)
The frequency of this oscillator reaches a few megahertz with the indicated transistor and depends on...
Voltage Controlled Zener (CB12226E)
This configuration that functions as a zener diode was found in an English publication from 1976....
Simple Twilight Switch (CB18790E)
This simple circuit uses only a transistor and a relay as basic components. The setting of the...