Institute Newton C. Braga

Circuit Bench

Frequency Reference (CB11582E)
This oscillator generates a 100 kHz signal given by the crystal. This signal can be a reference for...
tape player amplifier (CB7301E)
Found in a 1968 Electronics World, this circuit uses operational amplifiers from that time. |...
Trigger with CA3018 (CB24095E)
This Schmitt trigger with the CA3018 integrated circuit was found in the November 1970 issue of...