Battery Charger (CB6394E)

We found this circuit in a 1968 Electronics World. The potentiometer should be set to trigger the SCR when the battery is fully charged.

| Clique na imagem para ampliar |

Two outputs DC to DC converter (CB7531E)
This circuit was obtained in Linear Technology documentation from 1993. The circuit provides 3.3 V and...
Pulse Extender (CB1444E)
This circuit is from the National Semiconductor CMOS manual of 1977. What this circuit does is to...
Repellent with 555 IC (CB24933E)
This circuit operates from 25 to 65 kHz depending on the transducer used and the settings. We...