Found in a publication by National Semiconductor, this circuit provides an output voltage of 3.3 V, ideal for supplying microcontrollers. The maximum current is 500 mA.
Indicated by Popular Electronics to be used with a car headlight, this circuit can also have...
In this circuit of a 1970s publication, data from the coil to oscillate at the desired frequency...
This circuit was obtained from a Philips documentation from 1968. The transistors can be replaced...