This 5 V circuit was found in December 1978 Radio Electronics magazine. The power transistor must be mounted on a good heat sink.
This circuit is from a 90s Popular Electronics. The circuit employs a ZN461E that is not a common...
June 2017 - A wide variety of Rohm Semiconductor audio and codecs for audio is available from...
This circuit switched with the help of small inductors produces a peak voltage above 20 V that is...