This circuit provides an output voltage approximately 2 times that of the input voltage. The circuit is from an old documentation, but perfectly current.
This transistorized circuit is powered by a voltage of 6 to 12 V providing high voltage for a neon...
This circuit causes an LED to blink when night falls. Sensitivity is set at R1 and the blinking...
This low-current power supply was obtained in Japanese documentation from 1968. The currents are...