Found in a 1970s RCA documentation, this circuit generates signals according to the component values. A table is given next to the diagram.
Found in American documentation from the 90s, this circuit uses a GASFET of the time. The circuit is...
This circuit with the operational amplifier CA3130 was found in a documentation from 1977. The...
The twin-T oscillator shown in the figure generates sinusoidal signals in the audio track, which...