Institute Newton C. Braga

Circuit Bench

Class B Power Stage (CB12869E)
This circuit from an old Argentine publication from the 1970s uses a power transistor to obtain an...
Rain-Water Collector (CB18054E)
This circuit opens a reservoir when it starts to rain and closes it when the humidity sensor...
Power supply using a Transistor as Rectifier (CB12851E)
This power source, obtained in a 1973 publication, suggests the use of partially burned germanium...