Institute Newton C. Braga

Circuit Bench

Dynamic Compressor (CB20002E)
This sophisticated audio compressor was obtained in a documentation from the 70s. The transistors are of...
Logic Probe (CB8906E)
Found in a 90s Popular Electronics, it serves both TTL and CMOS logic. The injector can provide 10...
Variable Capacitor with Transistors (CB6448E)
We found this circuit in a 1966 US documentation. It simulates a variable capacitor that can vary...