From an audio signal, this circuit gets two signals of the same amplitude and opposite phases. This setting is widely used in bridge amplifiers (BTL). Transistors may be commonly used as BC series.
I got this circuit from an English magazine from 1977. It can still be easily assembled, as the...
In the figure we have a three-phase AC motor control for voltages up to 600 V or 1200 V depending on...
We found this circuit in a 1980 publication. It can be applied to Triacs of the TIC series and the...