High power LED flasher (CB20944E)

Found in American documentation from the 1980s, this circuit shows how to use an LM3909 pulsator in a high-power variable circuit.

| Clique na imagem para ampliar |

40-Channel Sequential (CB17484E)
We found this circuit in a 1986 documentation. It causes 40 LEDs to flash sequentially. The big...
Voltage Follower (CB9316E)
Found in a National Semiconductor manual from the 90's, this circuit uses components of the time,...
Timers with Inverters (CB195E)
Simple timers can be designed using inverters or any other gate that can be connected as inverter. Figure...