Institute Newton C. Braga

Circuit Bench

Power supply for old Disc Driver (CB26194E)
This power supply for those who want to feed and recover 5 ¼ floppy disks was found in the...
Multiple Feedback Filter with LM321 (CB4746E)
This circuit can be powered by a voltage of only 2.5 V. Next to the diagram we have the formulas...
Simple 2 transistor MW Radio (CB18843E)
This simple transistor radio with only two germanium transistors was found in a Japanese magazine from...