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.
In the figure we have a simple signal tracer circuit to be coupled to the volume control of an AM...
This circuit was found in documentation from the 90s, using components from that time. The...
This circuit, obtained from old documentation, allows the recovery of sulfated batteries. The...