Institute Newton C. Braga

Circuit Bench

Bicycle Alarm (CB4365E)
This circuit was obtained from a 1986 Spanish magazine Resistor. The magazine no longer exists, but...
Optical communication transmitter (CB7849E)
This circuit was found in a 90s American documentation. The circuit uses an LED that can be of a...
Collector triggered bistable (CB21839E)
This circuit is from a 1974 Ferranti transistor manual. Transistors are general-purpose types at...