Institute Newton C. Braga

Circuit Bench

DC and Stepper Motor Controls with the A3906 (CB23592E)
The A3906 integrated circuit from Allegro MicroSystems (www.allegro.com) consists of a single...
Negative supply from positive source (CB8843E)
This configuration appears elsewhere on this site. We obtained it from a 90s Radio Electronics, based...
100 to 1 000 kHz oscillator (CB18283E)
This circuit, found in a 1956 Sylvania publication, was indicated to serve as a frequency...