Institute Newton C. Braga

Circuit Bench

Adjustable multivibrator (CB22529E)
This circuit was found in the December 1957 Radio Electronics magazine in the patent section. It...
Linear Ramp Generator MC1455 (CB14585E)
The integrated circuit used is equivalent to the 555 and the transistor can be the BC558. R1 and...
Light controlled oscillator (CB7527E)
This configuration, which requires a symmetrical power supply for the 741, can be implemented with other...