Institute Newton C. Braga

Circuit Bench

Current and Voltage Regulator (CB10503E)
I found this circuit in a Popular Electronics from 1992. The circuit shows how we can use two...
Decade Resistors (CB25240E)
This sophisticated decade of benchtop resistors was found in the November 1989 issue of Radio...
Conductance Mixer (CB14019E)
This circuit was obtained in an English publication of 1977. The operational is of the type with...