This circuit multiplies the input voltage by 3 and can work with up to 12 V input. The current is a few mA. We found it in the Radio Electronics magazine of December 1992.
This circuit was obtained from Signetics documentation from the 1980s. The circuit can be...
LTC7841 PolyPhase® Synchronized Boost Controllers Mouser Announces Analog Devices LTC7841...
This siren produces an intermitent sound given by the characteristics of the two oscillators using the...