Wien Bridge
This Vienna bridge oscillator generates a sinusoidal signal whose frequency depends basically on C2 and C4. The circuit is from an Electronics Now from December 1993.
The great advantage of the circuit shown in the figure is the fact that its frequency is...
Found in American documentation from 1969, this circuit produces a pulsating waveform being...
Found in an old Elektor, this circuit uses two 7-segment displays to indicate the volume of an...