This circuit was obtained in a Motorola documentation from 1968. The circuit uses a power transistor of the time. Modern equivalents according to the load current and voltage can be used.
Mouser Electronics is stocked with Texas Instruments SWIFT Step Down TPS54824 Synchronized Power...
Obtained from a 1996 documentation, this circuit uses common components and has a voltage gain of 200...
This circuit is from a 1980s documentation featuring two time constants for sound decoding. The...