This switched or switched regulator was suggested by Texas Instruments in one of its application manuals. The circuit converts 5 V input to 12 V output with a current up to 75 mA.
This small medium wave radio was manufactured in the 1960s in Japan. The circuit is powered by 4...
This transistorized receiver was found in Popular Electronics from February 1968. Transistors are...
We found this circuit in the Linear Applications Handbook by National Semiconductor. The circuit can...