This charger was found in the February 1978 issue of Radio Electronics magazine. The circuit is for low current, only 150 mA, and has a 12 V transformer in the power source.
This circuit is from American documentation from the 70s. The circuit makes use of the operating system...
The L1 coil is formed by 4 turns of wire 20 in the form of 0.5 to 0.6 cm without core. The circuit is...
Although it is a common configuration today, this circuit was taken from an old publication. The...