Institute Newton C. Braga

Circuit Bench

Transistor Flip Flop (CB19064E)
This configuration is from a 1966 publication. However, with small changes in component values it can...
Rain Alarm (CB12479E)
This circuit is from a 1979 publication. The sensor consists of plates or screens that, when...
Common Emitter Amplifier (CB14746E)
This general-purpose preamp configuration was found in the 1960 Mullard transistor reference...