Battery Charger (CB6058E)

This circuit is from an 80's Radio Electronics. The circuit has several output options for 50 mA currents with load indicator through LEDs.

| Clique na imagem para ampliar |

Half wave rectifier (CB9696E)
This circuit was obtained in a 90s documentation. However, it can be developed with modern...
Low frequency crystal oscillator (CB9635E)
This circuit uses a 455 kHz crystal or for close frequencies. We found it in documentation from...
Darlington Automatic Shutdown (CB25614E)
This circuit turns off after a time that depends on C1. The circuit is from an Electronics Now...