This circuit converts 12 V to 127Vac to power small electronics in the car. It was found in the 1993 edition of the Electronics Experimenter Handbook.
This conventional series reducer circuit reduces the voltage of a 12 V battery to the selected value...
In the figure we have a converter that generates a negative voltage from a positive voltage...
This circuit covers the bands from 1.8 to 150 MHz, with plug-in coils whose characteristics are...