This circuit is from an old RCA documentation. The circuit sources a charging current of 1 A and is intended for the 6 V lead acid battery used in some cars of the era.
We found this 1 A switching regulator in an Electronics Now magazine from April 1993. The...
This medium wave telegraph transmitter is modulated in tone by a Hartley oscillator. The circuit is...
This circuit was found in an American documentation two years 80. The MOSFET is of double port,...