Found in US documentation, this circuit changes the waveform and phase of a sine signal. The circuit is indicated for frequencies between 0.1 and 10 Hz. The power source must be symmetrical.
We found this circuit in a 1968 Electronics World. The transistors are from the era and...
There are several manufacturers of the integrated circuit used and it also admits equivalents. The circuit...
This circuit is from 1971 American documentation. Transistors are still common except for 2N2060...