Digital control 555 (CB7550E)

This circuit aims to digitally control several audio channels. The circuit is from American documentation from the 90s.

| Clique na imagem para ampliar |

Voice Suppressor (CB4751E)
This interesting circuit found in a European publication from the 1990s eliminates the voice that...
Overvoltage Protection Circuit (CB6076E)
This simple circuit that interrupts the supply of a 12 V load in the event of an overvoltage was found in...
Micro Radio (CB16424E)
The radio presented was found in a 1980 documentation. It consists of 3 stages: the tuning circuit...