This circuit was found in the February 1994 issue of Electronics Now magazine. The circuit uses 6 and 12 V regulators that must be equipped with heat sinks. The current is 1A (max).
This charger circuit provides an initial voltage of 2.5 V and when the current reaches 180 mA the...
The FET of this circuit of a 1971 publication may be the BF245. The circuit serves as a voltage...
This circuit was found in an American 1980s documentation. The transistors admit equivalents and the...