This circuit makes use of components from the time it was published. The TCA151 is not a common component today. The circuit generates 10 to 10 kHz signals.
This circuit was obtained in a Radio Electronics of the 90s. The circuit uses an integrated circuit...
This power supply with transistor regulation was obtained in a 1995 documentation. The power...
This circuit of a few watts of power shows a typical configuration from the 70s using driver and...