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 receiver for the police band, which at the time was 45 MHz, was found in a publication by...
This circuit is from a 1964 Electronic Design book that presents application ideas for...
The circuit shown is from a 1994 National Semiconductor documentation and can be implemented with...