Dimmer with triac and SBS (CB7212E)

This dimmer for 12 V incandescent lamps was found in a 1966 General Electric documentation. The circuit has a SBS trigger programmation.

| Clique na imagem para ampliar |

Magnetic Field Tracer (CB22346E)
This circuit uses a Hall device from that time as a sensor. The circuit is from an English...
Alternating tone siren 555 (CB9202E)
Found in Radio Electronics from the 90s, this siren finds many variations on this site. The...
Sinusoidal and Rectangular Oscillator (CB19259E)
This audio generator that produces both rectangular and sinusoidal signals was found in a...