This circuit divides the voltage of a 12 V battery by 2 and can supply currents up to 1 A at the lowest voltage output. The integrated circuit used is not very common today.
This transmitter for the 2-meter range with a power of 1.5 W was found in a magazine 73 for radio...
The configuration shown in the figure is one of the most traditional when it is desired to produce...
This circuit operates according to the same principle as the previous one, but it has a difference in...