This circuit was obtained from Dutch documentation from 1967. It uses transistors of the time which can be the BFY50 and 51 for the output and the BC series for the others.
Suggested by the National Semiconductor in 1980s documentation, this circuit uses components from the...
The four NAND gates of a 4011 are used in the clocked R-S flip-flop shown here. The circuit is set and...
This powerful amplifier with 2N3055 transistors at the output provides a few tens of watts rms on a...