Institute Newton C. Braga

Circuit Bench

Signal Conditioner (CB13439E)
This circuit is from a 1973 documentation. In it we have the way of using a FET as an input of...
Three Transistor Reflex Receiver (CB957E)
This circuit was found in a documentation of the year 1958. The transistors are germanium types...
Old Schmitt Trigger (CB1286E)
This circuit of a documentation on very old oscilloscopes uses the first commercial transistor of...