Institute Newton C. Braga

Circuit Bench

Astable variable 4093 (CB21124E)
This variable frequency oscillator with the 4093 was found in a Popular Electronics from the 90s....
Parallel Alarm Series (CB6415E)
This series and parallel sensor circuit was found in Popular Electronics from the 1990s. Any SCR...
Transient free divider by 8 (CB6825E)
This circuit is from 1967 General Electric documentation. It uses SUS which are not very common...