Triac activated switch (CB9088E)

This circuit is from an 80's Radio Electronics. It triggers a load powered by the power grid from the audio signal captured by the microphone.

| Clique na imagem para ampliar |

Descending Timer (CB16612E)
This timer counts down the times until, at the end, it activates a relay. The programming time is...
1A 4-Voltage Supply (CB18065E)
This fixed source configuration with 78xx series regulators has already been explored in several...
Hybrid Mixer (CB4920E)
We found this configuration in an American 80's documentation. The circuit can be implemented with an...