Using the M1575 this switching converter was found in National Semiconductor documentation from the 90s. The circuit has a maximum output current of 1 A.
Using power transistors of the time, this source was published in Radio Electronics magazine in...
Found in an American publication on transistors from the 60's, this circuit uses a transistor...
This circuit is from a very old publication, from the 60s. It uses germanium transistors from the...