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 |

Multimeter Adapter (CB2011E)
The purpose of this circuit, which we find in an old American documentation, is to allow the...
Electronic Dice (CB24370E)
This simple TTL electronic dice uses common anode displays. The circuit is from a March 1975 Radio...
LM386 Minimal Amplifier (CB25293E)
This is the basic version of a gain 20 amplifier with the LM386 providing a few hundred...