Binary Counter (CB6139E)

This General Electric circuit is from the 80's. The PUTs used in this meter are not common components today.

| Clique na imagem para ampliar |

Tone Burst Generator (CB12651E)
The circuit shown in the figure generates a pulse train whose frequency is determined by the...
Emergency Light (CB10306E)
This circuit was found in a 1964 magazine, which no longer exists. It is a system that keeps a...
Two Input Mixer (CB6307E)
Equivalent transistors like the BC548 can be used on this 1969 Mullard circuit. The circuit has two...