This circuit for music effects and synthesizers was found in a Radio Electronics issue from June 1974. The circuit also consists of a pulse width modulator.
Frequency and active cycle of this circuit are fixed by the two crystals that may have different...
We found this circuit in an English documentation. The circuit is current, being the transformer used 9 V...
We found this symmetrical power supply circuit in an Electronics Now magazine from August 1998. The...