Found in an Electronics News from 1970, this circuit supplies a current of up to 1 A. The integrated circuit is from the era and must be mounted on a heat sink.
This circuit was published in a 1979 magazine, but it can still be easily assembled as the...
The integrated circuit of this amplifier is not very common today. The output transistors can be...
Found in an old documentation about neon lamps, this circuit has the frequency basically...