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.
This circuit was found in Motorola documentation from 1966. The lamps are according to power and...
This circuit, which uses components still common today, was found in a 1997 documentation. It...
This circuit is intended to apply the music signal from a stereo to a telephone line for the...