Institute Newton C. Braga

Circuit Bench

Single pulse generator (CB9075E)
The components of this circuit are still common today. The circuit is from a 1967 publication by...
Video Modulator (CB5356E)
This analog TV circuit can be used on a small transmitter. The circuit is from an 80's American...
Constant Volume Amplifier 741 (CB13686E)
We found this circuit in a 1976 documentation. The FET can be BF245 or MPF102 and the power supply...