DTL NOR gate (CB6922E)

This circuit was found in a 1969 Ferranti documentation. It can be implemented with modern equivalent transistors and diodes.

| Clique na imagem para ampliar |

12 V regulator with 1 A (CB9155E)
Found in an EDN from the 90s, this regulator makes use of the integrated circuit of the time. The...
Sweep generator (CB8927E)
This linear circuit was found in a 1965 Electronic Design. The transistors are from that time....
500 Hz neon generator (CB9079E)
This circuit generates 500 Hz rectangular signals. The circuit is from old American documentation. Neon...