Institute Newton C. Braga

Circuit Bench

Commercial Turntable Amplifier (CB12863E)
This is the circuit of an amplifier for a small record player or portable electrola powered by...
Crystal Radio with filter against Jamming Station (CB934)
This interesting circuit of the American publication Electronics Handbook Volume XIII 1993 shows a...
High Voltage Pulse Generator (CB26143E)
Found in the 1990 special issue of Radio Electronics Experimenter magazine, this circuit uses an...