This circuit is from 1999 documentation. However, it can still be easily assembled, as all components used are common. The sensors can have their quantity increased, being connected in parallel.
This small regulator was found in a Motorola 1968’s documentation. It is a current regulator using...
In the figure we show another configuration for a crystal-controlled overtone oscillator using a...
This power supply was described in an article in Radio Electronics magazine from July 1968. The...