Found in Motorola's 1968 power circuit manual, this circuit has a high input voltage and no information was given about the transformers as the original types are commercial at the time.
This circuit is from a Poptronics, American magazine of August 2000. The circuit can be assembled with...
This is the normal configuration for the TDA2003 integrated circuit, an amplifier that can provide 10...
This stabilized source can supply currents up to 700 mA and the output voltage is close to 15 V. a...