Institute Newton C. Braga

Circuit Bench

Microammeter (CB19293E)
This sensitive microammeter was found in documentation from the 1980s. The accuracy of the circuit...
Emergency Lighting (CB3845E)
We find this efficient emergency lighting system in a 1987 publication. The circuit keeps a...
DC Positive to Negative DC Converter (CB12956E)
We present a DC-DC converter circuit that can operate with input voltages from 2.4 V to 14 V and...