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 |

Microphone mixer with JFET (CB7986E)
Found in an American documentation from the 90s, this circuit has a configuration that has been...
5 Condition Indicator (CB6677E)
Found in an old publication about neon lamps this circuit works directly connected to the power...
Simulated Inductor (CB14131E)
The circuit below simulates an inductance with value given by the components, which can be...