Found in a Popular Electronics from the 90s, this circuit can be used as an electrifier. T1 can be an old TV fly back transformer or an ignition coil.
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...