Institute Newton C. Braga

Circuit Bench

Magic Spring (CB13041E)
Here is an interesting circuit to be used in physics demonstrations involving energy...
Switching Power Supplies Tests Resistive Load (CB18730E)
This resistive load circuit for source testing was found in a 1991 publication. Power transistors must be...
20 W amplifier (CB16509E)
The basis of this circuit is the integrated TA7205, which is not very common today. We found the...