Found in Radio Electronics magazine from 1959, this high-fidelity amplifier has 15 W of power. Power supply was not provided.
We found this circuit in an 80's manual. The same configuration can be adapted to make use of...
This Mullard circuit was found in a 1969 documentation. It uses complementary transistors on the output and...
This is the traditional version of a neon flasher, found in a 2004 documentation. The capacitor...