Institute Newton C. Braga

Circuit Bench

Oscillator (CB25643E)
Wien Bridge This Vienna bridge oscillator generates a sinusoidal signal whose frequency depends...
Hartley Oscillator (CB12067E)
This audio oscillator can also be frequency controlled by an LDR. The circuit is from a 1975...
75 W Amplifier (CB4419E)
In the 1992 publication, this amplifier is announced as having 400 W pmpo. Power transistors should...